Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816479 | Xanthone derivatives and process for producing the same | Hiroshi Koga, Takashi Mori, Michitaka Akima | 1989-03-28 |
| 4791209 | Furobenzisoxazole derivatives | Haruhiko Sato, Hiroshi Koga, Etsuro Onuma | 1988-12-13 |
| 4732906 | Dioxolobenzizoxazole derivatives | Hiroshi Koga, Haruhiko Sato, Etsuro Onuma | 1988-03-22 |
| 4661607 | Furoxanthone derivatives useful as diuretics | Hiroshi Koga, Takashi Mori, Michitaka Akima | 1987-04-28 |
| 4500714 | 3-Substituted-ureido-N-pyridyl benzamides | Masamitsu Honda, Hideaki Nagai, Shoko Takishima, Akinori Kawamura, Noriko Kawamura +5 more | 1985-02-19 |