Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861765 | 21-alkyl-, cycloalkyl- or aryl-substituted thio steroids and pharmaceutical compositions containing them | Morihiro Mitsukuchi, Tomoyuki Ikemoto, Kaoru Sota | 1989-08-29 |
| 4841044 | Cephalosporin derivatives | Chihiro Yokoo, Masami Goi, Akira Onodera, Mitsuo Murata, Hiroshi Fukushima +2 more | 1989-06-20 |
| 4833236 | Erythromycin derivatives | Shigeo Morimoto, Yoko Takahashi, Takashi Adachi, Toshifumi Asaka, Kaoru Sota | 1989-05-23 |
| 4812562 | Cephalosporin derivatives | Chihiro Yokoo, Masami Goi, Akira Onodera, Mitsuo Murata, Hiroshi Fukushima +1 more | 1989-03-14 |