Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886877 | Novel 2'-deoxy-5-substituted uridine derivatives, processes for preparing the same and antitumor agent containing the same | Jun Yamashita, Hiroshi Matsumoto, Setsuo Takeda, Tadafumi Terada, Mitsugi Yasumoto +1 more | 1989-12-12 |
| 4864021 | 5-fluorouracil derivatives | — | 1989-09-05 |
| 4831026 | 2-oxa-isocephem compounds, compositions containing same and processes of using | Hiroshi Ishikawa, Koichi Yasumura, Koichiro Jitsukawa, Sachio Toyama, Hidetsugu Tsubouchi +2 more | 1989-05-16 |
| 4824834 | Pyrazolotriazine compounds | Hiroyuki Kawamura, Hiroshi Kiyokawa, Satoshi Yamada | 1989-04-25 |
| 4797502 | Sulfonic acid ester derivatives and process for preparing same | Kazuo Ogawa, Toshihiro Hamakawa, Yoshiyuki Muranaka | 1989-01-10 |