Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251891 | Carbapenem derivatives | Norikazu Otake, Hideo Kiyonaga, Koji Yamada, Hideki Jona, Shigemitsu Okada +3 more | 2001-06-26 |
| 5707987 | Carbapenem derivatives | Hiroshi Fukatsu, Ryosuke Ushijima | 1998-01-13 |
| 5550121 | Aminoalkylpyrrolidinylthiocarbapenem derivatives | Shinji Kato, Satoshi Murase, Osamu Okamoto, Ryuji Mitomo, Katsumi Yamamoto +2 more | 1996-08-27 |
| 5449672 | Alkylaminoalkylpyrrolidinylthiocarbapenem derivatives | Shinji Kato, Satoshi Murase, Osamu Okamoto, Ryuji Mitomo, Katsumi Yamamoto +2 more | 1995-09-12 |
| 5440049 | Process for producing enyne derivatives | Akira Asai, Satoru Kuroyanagi, Makoto Ishihara, Yoshiharu Tanaka | 1995-08-08 |
| 5438054 | 2-(substituted pyrrolidinylthio) carbapenem derivatives | Norikazu Ohtake, Fumio Nakano, Koji Yamada, Ryosuke Ushijima, Satoshi Murase +1 more | 1995-08-01 |
| 5436354 | Intermediates for producing enyne derivatives | Akira Asai, Satoru Kuroyanagi, Makoto Ishihara, Yoshiharu Tanaka | 1995-07-25 |
| 5407930 | Cephalosporin derivatives | Ryuji Mitomo, Ryosuke Ushijima, Akira Asai, Satoru Kuroyanagi | 1995-04-18 |
| 5403835 | Cephalosporin derivatives | Ryuji Mitomo, Ryosuke Ushijima, Akira Asai, Satoru Kuroyanagi | 1995-04-04 |
| 5374720 | 2-(substituted pyrrolidinylthio)carbapenem derivatives | Norikazu Ohtake, Fumio Nakano, Koji Yamada, Ryosuke Ushijima, Satoshi Murase +1 more | 1994-12-20 |
| 5373002 | 2-(substituted pyrrolidinylthio) carbapenem derivatives | Norikazu Ohtake, Fumio Nakano, Koji Yamada, Ryosuke Ushijima, Satoshi Murase +1 more | 1994-12-13 |
| 5359091 | Intermediates for producing enyne derivatives | Akira Asai, Satoru Kuroyanagi, Makoto Ishihara, Yoshiharu Tanaka | 1994-10-25 |
| 5296612 | Process for producing enyne derivatives | Akira Asai, Satoru Kuroyanagi, Makoto Ishihara, Yoshiharu Tanaka | 1994-03-22 |
| 5258509 | Process for producing 2-carbon-substituted carbapenem derivatives | Yoshiaki Kato, Hiroshi Fukatsu | 1993-11-02 |
| 5231183 | Process for producing enyne derivatives | Akira Asai, Satoru Kuroyanagi, Makoto Ishihara, Yoshiharu Tanaka | 1993-07-27 |
| 5225406 | 1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivatives | Ryuji Mitomo, Koji Yamada, Norikazu Otake, Fumio Nakano, Akira Asai +4 more | 1993-07-06 |
| 5153188 | Piperidylthiocarbapenem derivatives | Shinji Kato, Hiroshi Fukatsu | 1992-10-06 |
| 5112818 | 2-(2-cyclopropylpyrrolidin-4-ylthio)carbapenhem derivatives | Koji Yamada, Ryosuke Ushijima | 1992-05-12 |
| 5100888 | Cyclic amidinylthiocarbapenem derivatives | Yoshiaki Kato, Hiroshi Fukatsu | 1992-03-31 |
| 5095013 | 2-(2-vinylpyrrolidinylthio)carbapenem derivatives | Fumio Nakano, Norikazu Otake, Ryosuke Ushijima | 1992-03-10 |
| 5084453 | 1-carboxy-1-vinyloxyimino aminothiazole cephalosporin derivatives | Ryuji Mitomo, Koji Yamada, Norikazu Otake, Fumio Nakano, Akira Asai +4 more | 1992-01-28 |
| 5068322 | Crystalline cephalosporin compounds | Ryosuke Ushijima, Fumio Nakano, Koji Yamada, Eiichi Mano | 1991-11-26 |
| 5061794 | Cephalosporin derivatives, and antibacterial agents | Koji Yamada, Fumio Nakano, Norikazu Otake, Akira Asai, Satoru Kuroyanagi +4 more | 1991-10-29 |
| 5049665 | Cephalosporin derivatives | Hiroshi Fukatsu, Yoshiaki Katoh, Satoshi Murase | 1991-09-17 |
| 4988687 | Cephalosporin derivatives, and antibacterial agents | Ryuji Mitomo, Ryosuke Ushijima | 1991-01-29 |