Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688942 | Process for preparing 2-isocephem derivatives | Daisuke Suzuki, Delsoo Suh, Yoshihisa Tokumaru | 1997-11-18 |
| 5656754 | Process for preparing cephem compounds | Shigeru Torii, Hideo Tanaka, Takashi Shiroi, Yutaka Kameyama | 1997-08-12 |
| 5656755 | Process for preparation on 3-substituted cephem compound | Shigeru Torii, Hideo Tanaka, Takashi Shiroi | 1997-08-12 |