Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7514553 | Process for producing penicillanic acid compound | Yoshihisa Tokumaru, Makoto Akizuki | 2009-04-07 |
| 4958018 | Method for production of 3-exomethylenecepham derivatives | Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Takashi Shiroi +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 |
| 4810788 | Azetidinone disulfide derivatives and a process for preparing the same | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Takashi Siroi | 1989-03-07 |
| 4801720 | Azetidinone disulfides and a ring opening process for preparing the same | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Takashi Siroi | 1989-01-31 |
| 4789740 | Halogenation process for preparing 2-(oxoazetidinyl)-3-chloromethyl-3-butenoate | Sigeru Torii, Hideo Tanaka, Yuzuru Ogata, Michio Sasaoka, Shigemitsu Nagao | 1988-12-06 |
| 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, Takashi Shiroi | 1987-05-12 |
| 4656264 | Bicyclic azetidinone intermediates | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Takashi Shiroi | 1987-04-07 |
| 4622178 | Process for preparing azetidinone derivatives | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Takashi Shiroi | 1986-11-11 |
| 4604457 | 2-substituted cephem derivatives and process for preparing the same | Shigeru Torii, Hideo Tanaka, Junzo Nogami, Michio Sasaoka, Takashi Shiroi | 1986-08-05 |
| 4603014 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Takashi Shiroi +1 more | 1986-07-29 |
| 4566996 | Process for preparing azetidinone derivatives | Sigeru Torii, Hideo Tanaka, Takashi Shiroi, Michio Sasaoka, Kiyotoshi Matsumura | 1986-01-28 |
| 4532077 | Thiazolineazetidinone-type compounds | Sigeru Torii, Kenji Uneyama, Hideo Tanaka, Junzo Nokami, Takashi Shiroi | 1985-07-30 |
| 4499265 | Process for preparing 3-exo-methylenecepham derivatives | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Michio Sasaoka | 1985-02-12 |
| 4482491 | Thiazolinoazetidinone derivatives and process for the preparation of the same | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Takashi Shiroi +1 more | 1984-11-13 |
| 4470887 | Process for preparing thiazolinoazetidinone derivatives | Sigeru Torii, Hideo Tanaka | 1984-09-11 |
| 4464237 | Process for preparing .beta.-lactam derivatives | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Michio Sasaoka | 1984-08-07 |
| 4401528 | Process for preparing 2-oxycephalosporin derivatives | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Michio Sasaoka | 1983-08-30 |
| 4392923 | Process for preparing thiazolinozetidinone derivatives | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Michio Sasaoka, Takashi Shiroi | 1983-07-12 |
| 4379032 | Process for preparing oxazolineazetidinone derivatives | Sigeru Torii, Hideo Tanaka, Junzo Nokami, Takashi Shiroi, Michio Sasaoka | 1983-04-05 |