Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874752 | Benzoquinone derivatives and production thereof | Shinji Terao, Isuke Imada | 1989-10-17 |
| 4808339 | Benzoquinone derivatives | Shinji Terao, Isuke Imada | 1989-02-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874752 | Benzoquinone derivatives and production thereof | Shinji Terao, Isuke Imada | 1989-10-17 |
| 4808339 | Benzoquinone derivatives | Shinji Terao, Isuke Imada | 1989-02-28 |