Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440709 | Production of isochroman compounds by culturing Penicillium | Hideo Hirai, Hiroko Tonai | 2002-08-27 |
| 6177458 | Isochroman compounds and their production process | Hideo Hirai, Hiroko Tonai | 2001-01-23 |
| 5514705 | Epidioxymanadic acids A and B | Paul J. Scheuer, Dolores Garcia Gravalos | 1996-05-07 |
| 4895852 | Antitumor alkaloids | Tatsuo Higa, Ryuichi Sakai | 1990-01-23 |