Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882351 | Tricyclic compounds | Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Akio Ishii | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882351 | Tricyclic compounds | Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Akio Ishii | 1989-11-21 |