Keio Innovation Initiative

Keio Innovation Initiative (KII), established in 2015, is a Tokyo-based venture capital firm spun off from Keio University. KII invests in early-stage startups, focusing on digital and medical healthcare sectors, with a mission to commercialize Keio University's research results and foster new industries. KII manages two funds, investing between JPY 40 million to JPY 1 billion per company, across 20 to 25 investments.

Gibo, Yuriko

Principal

Kinoshita, Shuichi

Director

Naoji Nomura

Principal

Ryo Ohtake

Principal

Yusuke Satake

Principal

Yuto Torii

Principal

Kotaro Yamagishi

CEO

Past deals in Wireless

Aeterlink

Series B in 2025
Aeterlink is a developer of advanced wireless power transfer technology aimed at eliminating the need for wires in various applications. The company specializes in creating wireless devices that can be applied across multiple fields, including factory automation, robotics, smart homes, and medicine. By enabling the wireless transmission of power over distances, Aeterlink's innovations enhance efficiency, sustainability, and safety in industries, allowing for greater flexibility in device placement and reducing the risks associated with traditional wiring. Their technology represents a significant step toward a digital world that operates without the constraints of physical connections.

JiMED

Series A in 2025
JiMED is a company specializing in wireless embedded brain-computer interface (BCI) systems that monitor brain activity. It offers a wireless implantable BCI system that utilizes an implanted device in conjunction with artificial intelligence to interpret brain signals. This innovative technology allows individuals with ALS to control the device through thought, significantly enhancing their ability to communicate and improve their quality of life.

Aeterlink

Series B in 2024
Aeterlink is a developer of advanced wireless power transfer technology aimed at eliminating the need for wires in various applications. The company specializes in creating wireless devices that can be applied across multiple fields, including factory automation, robotics, smart homes, and medicine. By enabling the wireless transmission of power over distances, Aeterlink's innovations enhance efficiency, sustainability, and safety in industries, allowing for greater flexibility in device placement and reducing the risks associated with traditional wiring. Their technology represents a significant step toward a digital world that operates without the constraints of physical connections.

BONX

Series C in 2020
BONX Inc. specializes in the design and development of wearable communication devices tailored for outdoor sports enthusiasts. Founded in 2014 and based in Tokyo, Japan, the company offers the BONX Grip, a Bluetooth earpiece that enables group conversations, music streaming, and phone calls. This device is particularly suited for activities such as snowboarding, cycling, stand-up paddleboarding, and fishing, featuring water and shockproof capabilities to withstand the rigors of outdoor use. BONX sells its products online, providing athletes with a reliable means to stay connected with friends while engaging in leisure and sporting activities.

BONX

Series A in 2018
BONX Inc. specializes in the design and development of wearable communication devices tailored for outdoor sports enthusiasts. Founded in 2014 and based in Tokyo, Japan, the company offers the BONX Grip, a Bluetooth earpiece that enables group conversations, music streaming, and phone calls. This device is particularly suited for activities such as snowboarding, cycling, stand-up paddleboarding, and fishing, featuring water and shockproof capabilities to withstand the rigors of outdoor use. BONX sells its products online, providing athletes with a reliable means to stay connected with friends while engaging in leisure and sporting activities.

BONX

Venture Round in 2017
BONX Inc. specializes in the design and development of wearable communication devices tailored for outdoor sports enthusiasts. Founded in 2014 and based in Tokyo, Japan, the company offers the BONX Grip, a Bluetooth earpiece that enables group conversations, music streaming, and phone calls. This device is particularly suited for activities such as snowboarding, cycling, stand-up paddleboarding, and fishing, featuring water and shockproof capabilities to withstand the rigors of outdoor use. BONX sells its products online, providing athletes with a reliable means to stay connected with friends while engaging in leisure and sporting activities.
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