Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698575 | Chromone compounds, pharmaceutical compositions containing the same, and use of the same | Tsuyoshi Saito, Koichi Niimura | 1997-12-16 |
| 5650433 | Chondroprotective agents | Koichi Niimura, Kiyonori Umekawa | 1997-07-22 |
| 5621009 | Chondroprotective agents | Koichi Niimura, Kiyonori Umekawa | 1997-04-15 |