Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700931 | 7-substituted-2-oxa3.2.0!heptan-6-one compound and method for the preparation thereof | Akihiro Oishi, Isao Shibuya, Tohru Tsuchiya | 1997-12-23 |
| 5677444 | Method for the preparation of .beta.-ketothioamide compound | Tohru Tsuchiya, Isao Shibuya, Akihiro Oishi, Kazumasa Honda | 1997-10-14 |