Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599925 | Penam derivatives | Shigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Mitio Sasaoka, Takashi Shiroi | 1997-02-04 |
| 5470972 | Process for preparing examethylenecephem compounds | Shigeru Torii, Hideo Tanaka, Mitio Sasaoka, Takashi Shiroi | 1995-11-28 |
| 5288860 | Process for preparing thiazolino azetidinone and 2-exo-methylenepenam derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi | 1994-02-22 |
| 5206361 | Thiazolinoazetidinone derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi | 1993-04-27 |
| 5204458 | Process for preparing cephem derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi | 1993-04-20 |
| 5196530 | Process for preparing 2-exo-methylenepenam derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi | 1993-03-23 |
| 5142040 | Process for preparing a 3-formylcephem derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi +1 more | 1992-08-25 |
| 5126447 | Process for preparation of .beta.-lactam derivative from an alkenyl substituted .beta.-lactam derivative using a ruthenium or rhenium catalyst and a periodic acid | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi +1 more | 1992-06-30 |
| 5070194 | Method for production of .beta.-lactam derivatives | Michio Sasaoka, Nori Saito, Takashi Shiroi, Shigemitsu Nagao, Ryo Kikuchi | 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 |
| 4629542 | Process for preparing 3-exomethylenecepham derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1986-12-16 |
| 4609438 | Process for preparing thiosulfonate derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Seiryu Uto | 1986-09-02 |