Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693792 | .beta.-lactam and cephem compounds and processes for their production | Shigeru Torii, Hideo Tanaka, Takashi Shiroi, Yutaka Kameyama | 1997-12-02 |
| 5599925 | Penam derivatives | Shigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Takashi Shiroi, Yutaka Kameyama | 1997-02-04 |