Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795604 | Method for molding 1,4,4a,9a-tetrahydroanthraquinone | Katsumi Matsuzaki, Kenji Usui | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795604 | Method for molding 1,4,4a,9a-tetrahydroanthraquinone | Katsumi Matsuzaki, Kenji Usui | 1989-01-03 |