Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693792 | .beta.-lactam and cephem compounds and processes for their production | Shigeru Torii, Hideo Tanaka, Mitio Sasaoka, Yutaka Kameyama | 1997-12-02 |
| 5656754 | Process for preparing cephem compounds | Shigeru Torii, Hideo Tanaka, Michio Sasaoka, Yutaka Kameyama | 1997-08-12 |
| 5656755 | Process for preparation on 3-substituted cephem compound | Shigeru Torii, Hideo Tanaka, Michio Sasaoka | 1997-08-12 |
| 5599925 | Penam derivatives | Shigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Mitio Sasaoka, Yutaka Kameyama | 1997-02-04 |