Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675023 | Chromone derivative, and aldose reductase inhibitor comprising said compound as active component | Yasushi Igarashi, Takuji Yamaguchi, Yoshimitsu Ogawa, Mika Tomita, Hiroko Hayashi +1 more | 1997-10-07 |
| 5627204 | Chromone derivative, and aldose reductase inhibitor comprising said compound as active component | Yasushi Igarashi, Takuji Yamaguchi, Yoshimitsu Ogawa, Mika Tomita, Hiroko Hayashi +1 more | 1997-05-06 |