Osamu Nishikawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Environment controllable scanning probe microscope
- Patent number 5,200,616
- Issue date Apr 6, 1993
- Shimadzu Corporation
- Ryohei Kokawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Vitamin D.sub.3 derivatives, process for preparation thereof, and a...
- Patent number 4,456,553
- Issue date Jun 26, 1984
- Teijin Limited
- Jun-ichi Oshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of active-type vitamin D.sub.3 compounds
- Patent number 4,388,243
- Issue date Jun 14, 1983
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing steroid compounds having an oxo group in the...
- Patent number 4,298,537
- Issue date Nov 3, 1981
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
25-Hydroxy-24-oxocholestane derivatives and preparation thereof
- Patent number 4,292,249
- Issue date Sep 29, 1981
- Teijin Limited
- Osamu Nishikawa
- C07 - ORGANIC CHEMISTRY