Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698720 | Steroid derivatives | Hitoshi Kurata, Koki Ishibashi, Hiroyoshi Horikoshi, Takakazu Hamada | 1997-12-16 |
| 5616579 | Anti-ulcer pyridyloxy derivatives, their preparation and uses | Hiroshi Fukumi, Mitsuo Sugiyama, Keiichi Tabata | 1997-04-01 |