Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882351 | Tricyclic compounds | Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii | 1989-11-21 |
| 4849441 | Isoindolin-1-one derivative and antiarrhythmic agent | Kei Okazaki, Hiroyuki Obase, Yoshimasa Oiji, Masaaki Nito, Kazuhiro Kubo | 1989-07-18 |