Watervein Partners

Watervein Partners is a venture capital firm based in Tokyo, Japan, established in 2002. The firm specializes in venture formation, focusing on selecting innovative biotech researchers from universities, research institutes, and industry networks. Watervein Partners provides comprehensive support throughout the startup process, aiming to transform these ventures into successful businesses. The firm adopts a hands-on investment approach, maintaining partial control while guiding companies toward profitable exits through initial public offerings or mergers and acquisitions. By concentrating on seed-stage investments, Watervein Partners seeks to foster the development of first-class enterprises in the biotechnology sector.

Tatsuzo Ishigami

Director and Partner

Masanori Ishikawa

Partner

1 past transactions

Anaeropharma Science

Seed Round in 2007
Anaeropharma Science, Inc. is a biopharmaceutical company based in Chiyoda, Japan, founded in 2004. The company focuses on developing innovative therapeutics aimed at treating solid cancers by targeting hypoxic environments, utilizing its proprietary platform technology based on recombinant Bifidobacterium. This technology allows for the in situ delivery and production of therapeutic agents. Anaeropharma Science's product offerings include APS001F, which is designed for solid cancer treatment, as well as therapies in immuno-oncology and anti-ischemic solutions. The company's approach involves genetically enhanced bacteria that can thrive in the hypoxic regions of tumors, converting systemically administered pro-drugs into cytotoxic agents, thereby enhancing the effectiveness and safety of cancer therapies and addressing other diseases associated with hypoxia.
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