Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874752 | Benzoquinone derivatives and production thereof | Hisayoshi Okazaki, Isuke Imada | 1989-10-17 |
| 4857516 | Coumaran derivatives and their pharmaceutical use | Yoshitaka Maki | 1989-08-15 |
| 4851413 | Certain benzoquinones, naphthoquinones, corresponding hydroquinones which exhibit thromboxane A.sub.2 synthetase inhibition or receptor antagonism and the like | Kohei Nishikawa | 1989-07-25 |
| 4826872 | Pharmaceutical composition for treatment of cataract | Mitsuyoshi Azuma, Noriko Watanabe | 1989-05-02 |
| 4818441 | Quinine derivatines | Isuke Imada, Mitsuru Kawada, Mitsuru Shiraishi | 1989-04-04 |
| 4808339 | Benzoquinone derivatives | Hisayoshi Okazaki, Isuke Imada | 1989-02-28 |