Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358461 | Antiallergic agent | Yoshitaka Maki, Shinji Terao | 1982-11-09 |
| 4342779 | 7-Acetylspirobenzofuranone compound | Hirosada Sugihara, Mitsuru Kawada, Isuke Imada | 1982-08-03 |
| 4330554 | Spirobenzofuranone compounds | Hirosada Sugihara, Mitsuru Kawada, Isuke Imada | 1982-05-18 |