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