J-Seed Ventures, Inc.
- A Tokyo-based venture incubator and Japan market entry specialist assisting foreign companies enter the Japanese market.
- http://www.j-seed.com/

Sumitomo Corporation
- Invests in businesses that support their existing operations or assist in moving into new markets; focused primarily on Internet investments. Investments include Lycos, and @Home.
- http://www.sumitomocorp.co.jp/english/index.htm

SunBridge Corp.
- Promotes innovation in the processes and environment for high-potential Japanese venture businesses. Based in
- http://www.sunbridge.com/en/

Neoteny
- A venture capital firm based in Japan helping entrepreneurs build sustainable information technology businesses. Located in Minato-ku, Tokyo.
- http://blog.neoteny.com/neoteny/

Techno-Venture Co., Ltd
- Independent venture fund with 9 individual yen and dollar funds to invest in Japan and the U.S.
- http://www.techno-venture.com/

D-Brain Co. Ltd
- Company specializes in venture capital, and in 'VIMEX' the Venture Investment Mart EXchange,which is an unlisted securities market.
- http://www.vimex.co.jp/

Japan Venture Partners
- Creates, funds and manages Japanese operations for U.S. technology companies, with over 50 years of experience.
- http://www.japanvp.com/

Jafco Co., Ltd.
- One of the largest Japanese venture funds with an extensive business associations and offices in Japan, Asia, U.S. and Europe.
- http://www.jafco.co.jp/eng/index.html