Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354022 | Process for preparing 3-methylenecepham compounds or a salt thereof | Takao Takaya, Takashi Masugi, Toshiyuki Chiba, Akiteru Yoshioka, Masayuki Kato +1 more | 1982-10-12 |
| 4327093 | 3,7-Disubstituted-2 or 3-cephem-4-carboxylic acid compounds | Masakazu Kobayashi, Hisashi Yamada, Hiroki Ono | 1982-04-27 |