Mitsunaga Tada

Ridgeway Capital Partners Ltd. (RCP) is an independent, partner-owned venture capital firm which specializes in private equity investments. Established in 2001 as Principal Investment Group of Investment Banking Headquarters, Orix Corporation, the firm became OPE Partners Ltd. in 2004 when they were spun-off from Orix Corporation. In 2006, the firm's partners launched an MBO, changing the firm's name to Ridgeway Capital Partners Ltd. in 2007. Headquartered in Tokyo, RCP provides private equity investments and management consulting services.

R-Tech Ueno Ltd. engages in the research and development, manufacture and sale of pharmaceutical products. It operates through the following business divisions: New Pharmaceutical Research and Development, Pharmaceutical Manufacture and Sale, and Pharmaceutical Development Support and Contract Manufacturing Services. The New Pharmaceutical Research and Development business provides development for unmet medical needs area, orphan drug area, and anti-aging area. The Pharmaceutical Manufacture and Sale business handles the manufacture and sale of Rescula Eye Drops for glaucoma and ocular hypertension. The Pharmaceutical Development Support and Contract Manufacturing Services business covers the manufacture and sale of AMITIZA capsules for chronic idiopathic constipation. It also accepts contract manufacturing of eye drops, liquid drugs and liquid-filled hard capsules. The company was founded by Ryuji Ueno and Sachiko Kuno in September 1989 and is headquartered in Tokyo, Japan.