Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868201 | Indoleacetic acid derivatives used as anti-inflammatories | Chikara Fukaya, Youichiro Naito, Shuichi Hanada, Kazumasa Yokoyama | 1989-09-19 |
| 4849425 | Readily absorbable pharmaceutical composition | Nobuo Kondo, Tsunetaka Nakajima, Kazumasa Yokoyama, Tadakazu Suyama, Takahiro Haga +3 more | 1989-07-18 |