Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061817 | Enolsilyl ether compound | Takeisa Ohashi, Kazunori Kan, Noboru Ueyama, Akimasa Miyama, Kiyoshi Watanabe | 1991-10-29 |
| 4914199 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives | Kazunori Kan, Noboru Ueyama, Shingo Matsumoto, Takehisa Ohashi, Kiyoshi Watanabe | 1990-04-03 |
| 4914200 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives | Kazunori Kan, Noboru Ueyama, Takehisa Ohashi, Kiyoshi Watanabe | 1990-04-03 |
| 4861877 | Process for preparing 4-acetoxy-3-hydroxyethylazetidin-2-one derivatives | Takehisa Ohashi, Kazunori Kan, Noboru Ueyama, Akimasa Miyama, Kiyoshi Watanabe | 1989-08-29 |
| 4791198 | Beta-lactam compound and preparation thereof | Takehisa Ohashi, Kazunori Kan, Noboru Ueyama, Akimasa Miyama, Kiyoshi Watanabe | 1988-12-13 |