Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552054 | Chromone derivatives, process for the preparation of the same and uses thereof | Tsuneo Yasuma, Masahiro Kawase | 2003-04-22 |
| 6531604 | Benzothiepine derivatives, their production and use | Tsuneo Yasuma, Haruhiko Makino | 2003-03-11 |