Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843078 | Succinimide derivatives, and their production and use | Kikuo Ishizumi, Isamu Maruyama, Atsuyuki Kojima | 1989-06-27 |
| 4812461 | Imide derivatives and their use in the treatment psychosis | Mayumi Yoshigi, Ikutaro Saji, Atsuyuki Kojima, Kukuo Ishizumi | 1989-03-14 |