Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262411 | Isocephem derivatives, and antimicrobial composition containing the derivatives | Tetsuhiko Shirasaka, Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Hidetsugu Tsubouchi +2 more | 1993-11-16 |
| 5037976 | 2-oxa-isocephem compounds | Setsuro Fujii, Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Hidetsugu Tsubouchi +2 more | 1991-08-06 |
| 4950662 | 2-oxa-isocephem compounds, compositions containing the same and processes for preparing the same | Setsuro Fujii, Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Hidetsugu Tsubouchi +2 more | 1990-08-21 |
| 4898859 | 2-Oxa-isocephem compounds and compositions containing same | Setsuro Fujii, Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Hidetsugu Tsubouchi +2 more | 1990-02-06 |
| 4831026 | 2-oxa-isocephem compounds, compositions containing same and processes of using | Setsuro Fujii, Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Hidetsugu Tsubouchi +2 more | 1989-05-16 |