Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770729 | Ozonide reducing agent | Michio Sasaoka, Daisuke Suzuki | 1998-06-23 |
| 5693792 | .beta.-lactam and cephem compounds and processes for their production | Shigeru Torii, Hideo Tanaka, Mitio Sasaoka, Yutaka Kameyama | 1997-12-02 |
| 5656754 | Process for preparing cephem compounds | Shigeru Torii, Hideo Tanaka, Michio Sasaoka, Yutaka Kameyama | 1997-08-12 |
| 5656755 | Process for preparation on 3-substituted cephem compound | Shigeru Torii, Hideo Tanaka, Michio Sasaoka | 1997-08-12 |
| 5599925 | Penam derivatives | Shigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Mitio Sasaoka, Yutaka Kameyama | 1997-02-04 |
| 5470972 | Process for preparing examethylenecephem compounds | Shigeru Torii, Hideo Tanaka, Mitio Sasaoka, Yutaka Kameyama | 1995-11-28 |
| 5288860 | Process for preparing thiazolino azetidinone and 2-exo-methylenepenam derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Yutaka Kameyama | 1994-02-22 |
| 5206361 | Thiazolinoazetidinone derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Yutaka Kameyama | 1993-04-27 |
| 5204458 | Process for preparing cephem derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Yutaka Kameyama | 1993-04-20 |
| 5196530 | Process for preparing 2-exo-methylenepenam derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Yutaka Kameyama | 1993-03-23 |
| 5142040 | Process for preparing a 3-formylcephem derivative | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Ryo Kikuchi +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, Ryo Kikuchi +1 more | 1992-06-30 |
| 5070194 | Method for production of .beta.-lactam derivatives | Michio Sasaoka, Nori Saito, Shigemitsu Nagao, 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 |
| 4853468 | Process for the preparation of cephem derivatives | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Michio Sasaoka +1 more | 1989-08-01 |
| 4798890 | Process for preparation of azetidinone derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka | 1989-01-17 |
| 4784734 | Azetidinone derivatives and process for the preparation of the same | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Michio Sasaoka +1 more | 1988-11-15 |
| 4689411 | 4-thio azetidinone intermediates and process for the preparation of the same | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Michio Sasaoka +1 more | 1987-08-25 |
| 4665166 | Process for preparing cephalosporin compounds | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Norio Saito | 1987-05-12 |
| 4656264 | Bicyclic azetidinone intermediates | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Norio Saito | 1987-04-07 |
| 4622178 | Process for preparing azetidinone derivatives | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Norio Saito | 1986-11-11 |
| 4604457 | 2-substituted cephem derivatives and process for preparing the same | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Norio Saito | 1986-08-05 |
| 4603014 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Norio Saito +1 more | 1986-07-29 |
| 4599151 | Process for preparing 2,2-bishalomethylpenam derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Seiryu Uto | 1986-07-08 |
| 4566996 | Process for preparing azetidinone derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Kiyotoshi Matsumura | 1986-01-28 |