Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070194 | Method for production of .beta.-lactam derivatives | Michio Sasaoka, Nori Saito, Takashi Shiroi, Ryo Kikuchi, Yutaka Kameyama | 1991-12-03 |
| 4958018 | Method for production of 3-exomethylenecepham derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Norio Saito +3 more | 1990-09-18 |
| 4789740 | Halogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl-3-butenoate | Sigeru Torii, Hideo Tanaka, Yuzuru Ogata, Michio Sasaoka, Norio Saito | 1988-12-06 |
| 4740596 | Process for preparation of 4-sulfonylthio azetidinone derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1988-04-26 |