Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486149 | Composition comprising a crystallographically stable, amorphous cephalosporin and processes for the preparation thereof | Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai +1 more | 2002-11-26 |
| 6441162 | Crystalline substance of cefditoren pivoxyl and the production of the same | Kiyoshi Yasui, Masamichi Sukegawa, Tatsuo Watanabe, Yuichi Yamamoto, Yasushi Murai +1 more | 2002-08-27 |
| 6342493 | Crystallographically stable amorphous cephalosporin compositions and process for producing the same | Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai +1 more | 2002-01-29 |
| 6294669 | Crystalline substance of cefditoren pivoxyl and the production of the same | Kiyoshi Yasui, Masamichi Sukegawa, Tatsuo Watanabe, Yuichi Yamamoto, Yasushi Murai +1 more | 2001-09-25 |
| 4970305 | Crystalline dihydrochloride of cephalosporin derivative and a method for preparation thereof | Tsuneo Okonogi, Yasushi Murai, Toshio Nishizuka, Yasuhiko Abat, Seiji Shibahara +1 more | 1990-11-13 |
| 4393058 | Cephalosporin compounds | Osamu Makabe, Yasushi Murai, Tuneo Okonogi, Yoshiyuki Koyama, Takashi Yoshida | 1983-07-12 |
| 4331597 | Penicillin compounds | Osamu Makabe, Yasushi Murai, Tuneo Okonogi, Takashi Yoshida, Shunzo Fukatsu | 1982-05-25 |