Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853468 | Process for the preparation of cephem derivatives | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Michio Sasaoka, Norio Saito +1 more | 1989-08-01 |
| 4810788 | Azetidinone disulfide derivatives and a process for preparing the same | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Takashi Siroi | 1989-03-07 |
| 4801720 | Azetidinone disulfides and a ring opening process for preparing the same | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Takashi Siroi | 1989-01-31 |
| 4784734 | Azetidinone derivatives and process for the preparation of the same | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Michio Sasaoka, Norio Saito +1 more | 1988-11-15 |
| 4689411 | 4-thio azetidinone intermediates and process for the preparation of the same | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Michio Sasaoka, Norio Saito +1 more | 1987-08-25 |
| 4603014 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Takashi Shiroi +1 more | 1986-07-29 |
| 4532077 | Thiazolineazetidinone-type compounds | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Takashi Shiroi, Norio Saito | 1985-07-30 |
| 4499265 | Process for preparing 3-exo-methylenecepham derivatives | Sigeru Torii, Hideo Tanaka, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1985-02-12 |
| 4482491 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Takashi Shiroi +1 more | 1984-11-13 |
| 4464237 | Process for preparing .beta.-lactam derivatives | Sigeru Torii, Hideo Tanaka, Takashi Shiroi, Michio Sasaoka, Norio Saito | 1984-08-07 |
| 4401528 | Process for preparing 2-oxycephalosporin derivatives | Sigeru Torii, Hideo Tanaka, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1983-08-30 |
| 4392923 | Process for preparing thiazolinozetidinone derivatives | Sigeru Torii, Hideo Tanaka, Michio Sasaoka, Norio Saito, Takashi Shiroi | 1983-07-12 |
| 4379032 | Process for preparing oxazolineazetidinone derivatives | Sigeru Torii, Hideo Tanaka, Takashi Shiroi, Norio Saito, Michio Sasaoka | 1983-04-05 |