Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876359 | Novel gamma-butyrolactone derivatives | Hiroshi Hasegawa, Noriaki Shioiri, Tatsuhiko Katori | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876359 | Novel gamma-butyrolactone derivatives | Hiroshi Hasegawa, Noriaki Shioiri, Tatsuhiko Katori | 1989-10-24 |