Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812367 | Polyethylene glycol and process for producing the same | Kenji Sakanoue, Tohru Yasukohchi | 2004-11-02 |
| 6620976 | Polyethylene glycol and process for producing the same | Kenji Sakanoue, Tohru Yasukohchi | 2003-09-16 |
| 6455639 | Oxirane derivative and process for the preparation thereof | Tohru Yasukohchi, Chika Itoh, Kei Maruyama | 2002-09-24 |
| 5872191 | Process for producing a polyoxyalkylene derivatives substituted with succinimidyl group | Tohru Yasukohchi, Kei Maruyama, Syunsuke Ohhashi | 1999-02-16 |
| 5767284 | Process for producing a polyoxyalkylene derivative substituted with succinimidyl group | Tohru Yasukohchi, Kei Maruyama, Syunsuke Ohhashi | 1998-06-16 |
| 5540935 | Reactive vesicle and functional substance-fixed vesicle | Tsuyoshi Miyazaki, Kazuo Maruyama, Motoharu Iwatsuru, Mitsuhiro Nishida, Tohru Yasukohchi +3 more | 1996-07-30 |
| 5463066 | Phospholipid derivative and reactive vesicle-forming agent | Tsuyoshi Miyazaki, Mitsuhiro Nishida, Tohru Yasukohchi, Shigeru Kitano, Akinori Suginaka +1 more | 1995-10-31 |