Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970305 | Crystalline dihydrochloride of cephalosporin derivative and a method for preparation thereof | Tsuneo Okonogi, Yasushi Murai, Masahiro Onodera, Toshio Nishizuka, Seiji Shibahara +1 more | 1990-11-13 |