Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663163 | Cephem compounds and processes for preparation thereof | Takao Takaya, Kazuo Sakane, Kenzi Miyai | 1997-09-02 |
| 5594132 | 7-acylamino-3-substituted cephalosporanic acid derivatives | Takao Takaya, Hisashi Takasugi, Takashi Masugi, Hideaki Yamanaka | 1997-01-14 |