Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851414 | Anti-dementia agent | Shizuo Shiozaki, Katsuichi Shuto | 1989-07-25 |
| 4849441 | Isoindolin-1-one derivative and antiarrhythmic agent | Kei Okazaki, Etsuo Oshima, Hiroyuki Obase, Masaaki Nito, Kazuhiro Kubo | 1989-07-18 |