D4V

Founded in Tokyo in 2015, D4V is an early-stage venture capital firm focusing on disruptive technology startups in consumer and enterprise sectors. Collaborating with global design company IDEO, D4V offers hands-on assistance and coaching to help portfolio companies create value through human-centered customer experiences.

Tom Kelley

Co-Founder and Chairman

67 past transactions

Yuime

Series B in 2025
Yuime is an HR consulting firm that offers agricultural staffing, contract farming, and recruitment services.

Emole

Series A in 2025
Emole is a platform that connects content creators with viewers through short drama content. It offers three-minute episodes designed for brief viewing moments, fostering an ecosystem where creators can sustainably produce new works and receive economic rewards.

Sazo

Series A in 2025
Sazo specializes in constructing a global e-commerce and logistics network with AI.

Yuime

Series B in 2025
Yuime is an HR consulting firm that offers agricultural staffing, contract farming, and recruitment services.

Lecto

Series A in 2024
Lecto provides Saas solutions to eliminate the tedious practices behind financial services. It is a platform that constantly supports intricate operational designs for dunning collection and credit administration. With the elimination of the difficulty and expense associated with problematic behaviors that underlie financial services, Lecto seeks to foster an atmosphere where more individuals can engage in creative and enjoyable activities.

Genba Hub

Seed Round in 2024
Genba Hub is a technology company that specializes in providing cloud-based business management systems for construction and maintenance enterprises. Its core product is a construction-specific software designed to maximize the value of fieldwork, enabling customers to manage their projects more efficiently.

SUN METALON

Series A in 2024
SUN METALON specializes in decarbonizing metal manufacturing by offering innovative technology for recycling, refining, and forming metals. Its core innovation lies in efficient heating of metal scraps and chips, reducing energy consumption and impurities, thereby significantly lowering CO₂ emissions compared to traditional methods.

MTU

Series A in 2024
MTU offers medical security cloud services to medical organizations and delivers IT support, including the recent cyber harm to medical institutions, both online and offline.

Pragtech

Seed Round in 2024
Pragtech develops and operates innovative parking lot service software. Their solutions include kiosk payment machines, AI cameras for ticketless payment and car detection, aiming to reduce operating costs, eliminate payment congestion, and prevent fraudulent use.

MTU

Series A in 2024
MTU offers medical security cloud services to medical organizations and delivers IT support, including the recent cyber harm to medical institutions, both online and offline.

Shinsekai Technologies

Seed Round in 2024
Shinsekai Technologies focuses on supporting companies, enabling them to advance their services to Web3 and NFT technologies.

Hedgehog MedTech

Series A in 2023
Hedgehog MedTech is a medical company specializing in digital therapeutics (DTx), which are programmable medical devices approved by pharmaceutical standards to assist in patient health management through mobile applications. The firm has developed a health application specifically aimed at treating headaches. This application utilizes a system that identifies and enhances behavioral patterns to alleviate symptoms. By delivering cognitive-behavioral therapy via the smartphone app, Hedgehog MedTech effectively connects users' daily lives with their medical care, particularly in the treatment of migraines.

SUN METALON

Seed Round in 2023
SUN METALON specializes in decarbonizing metal manufacturing by offering innovative technology for recycling, refining, and forming metals. Its core innovation lies in efficient heating of metal scraps and chips, reducing energy consumption and impurities, thereby significantly lowering CO₂ emissions compared to traditional methods.

Hedgehog MedTech

Seed Round in 2022
Hedgehog MedTech is a medical company specializing in digital therapeutics (DTx), which are programmable medical devices approved by pharmaceutical standards to assist in patient health management through mobile applications. The firm has developed a health application specifically aimed at treating headaches. This application utilizes a system that identifies and enhances behavioral patterns to alleviate symptoms. By delivering cognitive-behavioral therapy via the smartphone app, Hedgehog MedTech effectively connects users' daily lives with their medical care, particularly in the treatment of migraines.

GPx

Seed Round in 2022
Founded in 2020, GPx is a Boston-based biotech company specializing in remote chronic disease management. It offers bloodless blood tests to transform the standard of care for cardiorenal diseases, empowering patients with better understanding of their condition.

SUN METALON

Venture Round in 2022
SUN METALON specializes in decarbonizing metal manufacturing by offering innovative technology for recycling, refining, and forming metals. Its core innovation lies in efficient heating of metal scraps and chips, reducing energy consumption and impurities, thereby significantly lowering CO₂ emissions compared to traditional methods.

IKOU

Seed Round in 2022
IKOU is a brand dedicated to creating inclusive products for babies and children. They specialize in designing portable seats, bibs, clothing, and online services that cater to all users, regardless of their developmental stage or abilities.

Yondemy

Seed Round in 2021
Yondemy Co., Ltd. is an online reading education platform based in Tokyo, Japan, founded in 2020. The company focuses on fostering reading habits in children aged five to fourteen through innovative features that include artificial intelligence-driven book selection guidance and engaging quiz-style lessons. By incorporating gamification elements such as leveling up and earning badges, Yondemy creates an interactive learning experience that encourages young readers to explore literature. Its approach aims to enhance children's awareness and enjoyment of reading without the necessity of verbal interaction, making reading accessible and fun.

Panalyt

Seed Round in 2021
Panalyt bridges the gap between people data and business outcomes by providing real-time, uniform access to relevant employee data for executives, HR, and managers. It combines people interactions with business data to generate insights and predictive analytics, empowering proactive decision-making in HR and improving overall business performance.

Nudge

Seed Round in 2021
Nudge provides in-house credit card solutions tailored for creators, sports teams, and other communities with fan bases. Their platform enables these groups to create custom cards from a single card.

MiddleField

Series B in 2020
MiddleField Inc. is a Tokyo-based company that specializes in the e-commerce automotive sector. Established in 2015, it operates several online platforms designed to enhance the car ownership experience. Notably, it offers Motagare, which facilitates the purchasing and installation of car parts, and MotaGare, which focuses on the delivery of car parts. Additionally, MiddleField provides Motorz, a platform that gathers and shares information related to cars, motorcycles, and the racing industry. By creating a community-centric approach, MiddleField aims to transform car ownership into an engaging and entertaining experience for automotive enthusiasts.

THECOO

Series A in 2020
THECOO offers influencer planning tools for enterprise marketers under its iCON Suite brand. It connects YouTubers with companies via iCon CAST, provides influence marketing platform RIPPLY, and operates fan community app fanicon. Founded in 2014, THECOO is headquartered in Tokyo, Japan.

MiddleField

Series B in 2020
MiddleField Inc. is a Tokyo-based company that specializes in the e-commerce automotive sector. Established in 2015, it operates several online platforms designed to enhance the car ownership experience. Notably, it offers Motagare, which facilitates the purchasing and installation of car parts, and MotaGare, which focuses on the delivery of car parts. Additionally, MiddleField provides Motorz, a platform that gathers and shares information related to cars, motorcycles, and the racing industry. By creating a community-centric approach, MiddleField aims to transform car ownership into an engaging and entertaining experience for automotive enthusiasts.

Financier

Seed Round in 2020
Financier is a Web3 platform that provides end-to-end support for the formation and expansion of token ecosystems.

Cinnamon AI

Series C in 2020
Cinnamon AI is a company that develops artificial intelligence-based business platforms aimed at enhancing human potential by automating repetitive tasks. Its platform features a sophisticated computer system that mimics human intelligence, incorporating elements such as academic knowledge, recognition, and judgment. This system assists users in selecting appropriate and adaptable correspondence based on accumulated data patterns, tailored to specific partners and circumstances. By streamlining these processes, Cinnamon AI enables users to focus on more creative and strategic endeavors, ultimately improving productivity and efficiency in the workplace.

Scalar

Series A in 2020
Scalar, Inc. is a data management technology company based in Tokyo, Japan, founded in 2017. The company specializes in researching and developing software solutions that utilize distributed ledger technology. Its primary products include Scalar DB, a distributed database software, and Scalar DL, a distributed ledger software. These solutions are designed to support business operators in transforming their operations by leveraging the scalability and tamper-resistant features of distributed register technology. In addition to its core software offerings, Scalar also provides analytics services to enhance data management capabilities.

STUDIO

Seed Round in 2019
STUDIO, Inc., established in 2016 and based in Tokyo, Japan, specializes in developing code-based design tools for digital services. The company's primary product is a web design and development platform that empowers users to create websites from scratch without requiring coding expertise. STUDIO's AI-augmented design app offers features such as task assistance, automatic layout resizing, and multi-step task auto-population, enhancing the user experience and streamlining the web design process.

STUDIO Japan

Series A in 2019
STUDIO is a development and operation of the next-generation design tool.

ExaWizards

Venture Round in 2019
ExaWizards develops AI-powered solutions to address social issues by applying artificial intelligence and related technologies. It collaborates with partner organizations to accelerate growth across sectors such as medicine, health care, education, finance, and robotics, delivering AI-driven services that support industrial innovation. The company focuses on improving the quality of care for dementia patients and assisting caregivers, translating AI advances into practical benefits for everyday needs.

Principle

Venture Round in 2019
Principle Inc. is a home security company based in Tokyo, Japan, specializing in the development of advanced security systems and solutions. The company offers a range of services, including smart room security and elderly monitoring, aimed at enhancing safety and peace of mind for its customers. By focusing on innovative technology and user-friendly designs, Principle seeks to address the growing demand for effective home security measures in an increasingly connected world.

New standard

Venture Round in 2019
New Standard Inc., originally known as TABI LABO Inc., is a Tokyo-based company established in 2014 that specializes in advertising services. The company focuses on branding and marketing activities, utilizing various media forms such as video production and virtual reality content, alongside organizing events. New Standard operates three distinct STUDIO businesses aimed at engaging millennials and addressing business challenges for companies and brands. With a strong emphasis on creating smartphone-specific content, the company aims to connect with a highly information-sensitive audience by blending real and digital experiences. Through its comprehensive promotional strategies, New Standard strives to deliver innovative ideas and solutions that resonate with modern lifestyles.

Financier

Seed Round in 2019
Financier is a Web3 platform that provides end-to-end support for the formation and expansion of token ecosystems.

Voicy

Series A in 2019
Voicy, Inc. is a Tokyo-based company that specializes in a voice news application for mobile platforms. Founded in 2016, Voicy combines media personalities and news organizations, allowing entertainers to deliver news, thereby providing users with the latest information in a more engaging format. As the landscape of information access evolves with advancements in technology, Voicy emphasizes auditory experiences, catering to users' needs for seamless integration of news into their daily lives. The company operates a voice distribution network and focuses on innovative audio content, aiming to create new value in society through its unique approach to broadcasting and entertainment.

Street Academy

Venture Round in 2018
Street Academy, Inc. is a technology firm based in Tokyo, Japan, that operates an online social education platform. This platform connects teachers with learners and facilitates the exchange of knowledge through an online course marketplace. In addition to providing a venue for individual educators, Street Academy offers corporate training services, dispatches instructors, and supplies employee education solutions. By leveraging technology, the company aims to enhance learning opportunities and support career success for its users.

Evolany

Venture Round in 2018
Founded in 2018, Evolany specializes in developing software applications for business automation. Its primary product is a Chatbot designed for customer relationship management, catering to diverse sectors such as automobile, education, fashion mail order, government, food and beverage, shopping mall, medical institutions, and hospitality.

Alpaca

Venture Round in 2018
Alpaca is an embedded financial technologies platform that provides real-time market data, crypto and stock investing, and end-to-end brokerage infrastructure via modern APIs. It serves hundreds of global applications and businesses, with tens of thousands of active developers.

Pafin

Venture Round in 2018
Pafin, formerly known as Cryptact Ltd, is a technology company based in Shinjuku, Japan, that focuses on providing a comprehensive platform for individual investors in the cryptocurrency space. Founded in 2018, the company specializes in profit and loss calculation, tax assistance, and financial management tools tailored for cryptocurrency portfolios. By leveraging advanced technology, Pafin aims to enhance investment and asset management activities, offering users valuable insights and support for managing their virtual currency investments effectively.

AlpacaJapan

Series A in 2018
AlpacaJapan Co., Ltd., established in 2016 and headquartered in Tokyo, specializes in developing fintech solutions that leverage AI and big data technology. The company offers AlpacaForecast, a market forecasting solution, and AlpacaForecast AI Prediction Matrix, a dashboard displaying short-term price forecasts for various financial markets. AlpacaJapan's team comprises professionals from high-tech and financial industries, serving top global financial institutions with investment technology and tools.

Scalar

Seed Round in 2018
Scalar, Inc. is a data management technology company based in Tokyo, Japan, founded in 2017. The company specializes in researching and developing software solutions that utilize distributed ledger technology. Its primary products include Scalar DB, a distributed database software, and Scalar DL, a distributed ledger software. These solutions are designed to support business operators in transforming their operations by leveraging the scalability and tamper-resistant features of distributed register technology. In addition to its core software offerings, Scalar also provides analytics services to enhance data management capabilities.

airCloset

Corporate Round in 2018
airCloset Inc is a fashion rental platform that offers a variety of services tailored to meet diverse customer preferences. Its main service, airCloset, allows users to rent clothing online, while airClosetxABLE functions as a fashion rental shop. The company also provides airCloset Fitting, an online styling e-commerce service, and airCloset Mall, a monthly subscription offering from official manufacturers. Additionally, airCloset Talk is a remote personal styling service designed to enhance the user experience. By combining these innovative services, airCloset aims to simplify fashion choices and promote sustainable consumption in the evolving fashion industry.

Umitron

Seed Round in 2018
Umitron is a data company specializing in aquaculture. It supports fish farmers by optimizing feed usage through data analytics, reducing costs and promoting sustainable practices.

Virtusize

Venture Round in 2018
Virtusize AB is a company that specializes in providing a virtual fitting solution designed for online retailers in Europe and Asia. Founded in 2011 and headquartered in Stockholm, Sweden, with additional offices in Berlin and Tokyo, the company offers a garment-to-garment comparison tool that allows shoppers to measure clothing items they already own against potential purchases. This innovative approach addresses a significant challenge in online fashion retail by ensuring customers find their correct size, thereby enhancing their shopping experience. Virtusize's technology not only facilitates informed purchasing decisions but also helps retailers increase sales while reducing fit-related returns. The company partners with a growing number of notable global brands, including Uniqlo, New Balance, and Kate Spade, among others.

PlusOne

Seed Round in 2018
PlusOne, Inc. is a company specializing in augmented reality and artificial intelligence, focusing on the development of an interactive platform that utilizes human holograms. Founded in 2016 and headquartered in San Francisco, California, with additional locations in Tokyo, Japan, and Beijing, China, PlusOne's technology leverages AI and machine learning to detect users’ emotions, biometrics, and gestures. This innovative platform is designed to enhance employee training by providing immersive simulations, real-time feedback, and flexibility in time and space. By using these interactive holograms, enterprises can improve the effectiveness of their employees' interactions with clients and business partners across various contexts.

ExaWizards

Venture Round in 2018
ExaWizards develops AI-powered solutions to address social issues by applying artificial intelligence and related technologies. It collaborates with partner organizations to accelerate growth across sectors such as medicine, health care, education, finance, and robotics, delivering AI-driven services that support industrial innovation. The company focuses on improving the quality of care for dementia patients and assisting caregivers, translating AI advances into practical benefits for everyday needs.

Cinnamon AI

Funding Round in 2018
Cinnamon AI is a company that develops artificial intelligence-based business platforms aimed at enhancing human potential by automating repetitive tasks. Its platform features a sophisticated computer system that mimics human intelligence, incorporating elements such as academic knowledge, recognition, and judgment. This system assists users in selecting appropriate and adaptable correspondence based on accumulated data patterns, tailored to specific partners and circumstances. By streamlining these processes, Cinnamon AI enables users to focus on more creative and strategic endeavors, ultimately improving productivity and efficiency in the workplace.

Famzon

Venture Round in 2018
Famzon is a direct-to-consumer footwear brand that specializes in women's shoes and related accessories. The company provides an online shopping platform featuring a quality line of fashionable footwear, utilizing a unique patented heel lock-release technology. This innovation allows for removable and adjustable heels, combining style with practicality. Famzon aims to deliver the latest fashion products at affordable prices, catering to the needs of modern women seeking both elegance and versatility in their footwear choices.

nana music

Venture Round in 2018
Nana Music, Inc. is a Tokyo-based company founded in 2013 that develops a social application for music enthusiasts called nana. This platform allows users to record music or sing along to instrumental tracks, enhance their recordings with various musical layers, and create playlists of their favorite sounds. Users can also engage with a community by discussing music and sharing their experiences. Additionally, nana music organizes music events and conducts research and development on musical instruments. The application is accessible to iOS users worldwide, facilitating collaborative music creation and sharing, and enabling interaction through features such as applauding and commenting on submissions.

WED

Seed Round in 2017
WED, Inc. is a Tokyo-based company founded in 2016 that focuses on providing an online data utilization platform. The company aims to address various challenges related to data usage by leveraging technology to offer a range of services. These services include data collection, user acquisition, data analysis, custom reporting, and credit card payment applications. WED's platform enables users to efficiently manage their data through a single portal, facilitating improved decision-making and operational efficiency. Additionally, WED broadcasts radio programs, further diversifying its business activities.

STUDIO Japan

Seed Round in 2017
STUDIO is a development and operation of the next-generation design tool.

STUDIO

Seed Round in 2017
STUDIO, Inc., established in 2016 and based in Tokyo, Japan, specializes in developing code-based design tools for digital services. The company's primary product is a web design and development platform that empowers users to create websites from scratch without requiring coding expertise. STUDIO's AI-augmented design app offers features such as task assistance, automatic layout resizing, and multi-step task auto-population, enhancing the user experience and streamlining the web design process.

Crevo

Venture Round in 2017
Founded in Tokyo, Japan in 2012, Crevo operates a web-based platform for language-free open-crowdsourcing contests. This enables users worldwide to find custom designs tailored to their needs.

Infostellar

Series A in 2017
Infostellar Inc. is a Tokyo-based company founded in 2016 that specializes in developing modular software systems for satellite communication. Its primary offering, StellarStation, is a cloud-based ground station platform that enables satellite operators to establish communication links with their satellites using a diverse array of antennas worldwide. This platform allows ground station owners to monetize their excess capacity, facilitating efficient and cost-effective satellite communications. By improving transmission times and reducing costs, Infostellar empowers satellite operators to enhance the quality of their services and expand their business opportunities. The company's innovative approach contributes to the broader goal of advancing space communications infrastructure.

Ubie

Seed Round in 2017
Ubie, Inc. is a Tokyo-based company founded in 2017 that specializes in developing artificial intelligence-powered healthcare solutions. Its core offering is an AI-driven symptom checker that generates personalized evaluation reports for patients. Through a brief questionnaire that customizes its inquiries based on factors such as biological sex, age, medical history, and lifestyle choices, the tool aims to assist users in understanding potential causes of their symptoms. In addition to providing patients with detailed reports, Ubie also supplies physicians with patient summaries and predictive diagnoses to enhance clinical decision-making.

Standing Ovation

Venture Round in 2017
Standing Ovation is a technology company that develops B2C fashion apps and provides B2B OMO customer services.

WhatzMoney

Venture Round in 2017
WhatzMoney Inc. is a financial services company based in Tokyo, Japan, founded in 2015. The company specializes in providing information and comparison services for financial products via the Internet. Its key offerings include WhatzMoney Loan Comparison, which assists customers in finding suitable mortgage options, and WhatzMoney Media, a user-friendly platform that delivers essential mortgage information. Additionally, the company offers Home Re: loan, a service designed to review mortgage loans and enhance the order receiving rate and sales for franchisees involved in remodeling and solar power installation. WhatzMoney aims to empower individuals to make informed financial choices based on their banking experience.

Excite Japan

Venture Round in 2017
Excite Japan is a Japan-based internet-services company that began with a portal site and has evolved to offer a diverse range of online services, including media platforms, connectivity, and paid content. It targets women and broader online audiences, generating revenue from advertising on its portal, internet-connection fees, and paid digital content. Established in 1997 and headquartered in Minato, Tokyo, the company aims to enrich online experiences and streamline business operations by providing information access, connectivity, and business management tools to individuals and organizations.

HOMMA

Venture Round in 2017
HOMMA is a startup that designs modern homes and develops an artificial intelligence driven platform for connected living. The company brings together home builders, architects, designers, and engineers to create residences that integrate security, convenience, and comfort through smart devices and applications. The platform enables device and application integration and allows homeowners to tailor configurations to their preferences, enhancing the living experience. Founded in 2015 by Takeshi Homma, HOMMA operates with offices in the Bay Area, Portland and Tokyo.

Emerada

Seed Round in 2017
Emerada is a fintech startup based in Japan that specializes in providing Banking as a Service (BaaS) solutions to regional and community banks. By offering a semi-autonomous banking infrastructure, Emerada enables these financial institutions to deliver seamless lending services tailored to small businesses. The company’s online financial platform aggregates real-time financial data, allowing clients to monitor their daily money flow and financial indicators from a single interface. Emerada enhances the lending process by utilizing predictive analytics and deep learning algorithms, facilitating rapid loan screening and decision-making for its banking partners. Recognized for its innovation, Emerada has been featured among the "Top 50 Startups" by Forbes and "Top 100 Startups" by Toyokeizai, reflecting its impact on the financial sector.

AlpacaJapan

Venture Round in 2017
AlpacaJapan Co., Ltd., established in 2016 and headquartered in Tokyo, specializes in developing fintech solutions that leverage AI and big data technology. The company offers AlpacaForecast, a market forecasting solution, and AlpacaForecast AI Prediction Matrix, a dashboard displaying short-term price forecasts for various financial markets. AlpacaJapan's team comprises professionals from high-tech and financial industries, serving top global financial institutions with investment technology and tools.

Alpaca

Venture Round in 2017
Alpaca is an embedded financial technologies platform that provides real-time market data, crypto and stock investing, and end-to-end brokerage infrastructure via modern APIs. It serves hundreds of global applications and businesses, with tens of thousands of active developers.

CAMPFIRE

Series A in 2017
CAMPFIRE, Inc. is a Tokyo-based company that specializes in planning, developing, and managing cloud funding platforms in Japan. It operates the largest crowdfunding platform in the country, known as CAMPFIRE, which supports individuals and creators in launching a variety of projects. In addition to its main platform, CAMPFIRE offers several specialized services, including GoodMorning for socially beneficial projects, CLOSS for fashion-related initiatives, and FAAVO for region-focused endeavors. The company also features polka, an application that facilitates fundraising for personal events among friends, and CAMPFIRE Bank, which provides financial services centered on loans. Another offering, Gojo, is a community wallet application designed for sharing funds among family and community members. Since its establishment in 2011, CAMPFIRE has catered to a diverse clientele that includes individuals, creators, companies, non-profit organizations, universities, and local governments, addressing a wide range of financial needs.

Ednity

Venture Round in 2017
Ednity is a developer of classroom management software that enables communication between students and teachers across educational institutions. The platform supports group discussions through quizzes and questionnaires and enables instructors to assign and track homework, send group notifications, and schedule activities via a mobile app, providing a secure learning environment for students.

Sprocket

Series A in 2017
Founded in Tokyo, Japan in 2014, Sprocket develops a web-based customer development platform. It offers a tool for optimizing digital communication across user touchpoints, integrating real-time personalization, multi-channel messaging, behavioral data analysis, and AI-driven insights.

FanForward

Seed Round in 2017
FanForward is a Tokyo-based company that designs and develops an internet-based ticket exchange platform for sports events. The platform enables fans to exchange or purchase tickets from other fans and also supports purchasing food and memorabilia from concession stands within the same service. Founded in 2016, the company focuses on fan engagement by strengthening the relationship between fans and teams and by creating immersive experiences, including fan zones to foster loyalty.

Planet Table

Venture Round in 2016
Planet Table Inc. is a Tokyo-based company founded in 2014 that operates an online food distribution platform focused on sustainable food production. The company aims to enhance the food value chain by leveraging technology to create a production and distribution support system. Its platform delivers food services to professionals and utilizes big data science to optimize supply and demand chains. This approach facilitates direct connections between farmers and restaurants, thereby reducing food waste and promoting sustainability in the food industry.

Planet Table

Venture Round in 2015
Planet Table Inc. is a Tokyo-based company founded in 2014 that operates an online food distribution platform focused on sustainable food production. The company aims to enhance the food value chain by leveraging technology to create a production and distribution support system. Its platform delivers food services to professionals and utilizes big data science to optimize supply and demand chains. This approach facilitates direct connections between farmers and restaurants, thereby reducing food waste and promoting sustainability in the food industry.
Spot something off? Help us improve by flagging any incorrect or outdated information. Just email us at support@teaserclub.com. Your feedback is most welcome.