Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583118 | Chondroprotective agents | Koichi Niimura, Kiyonori Umekawa | 2003-06-24 |
| 5736522 | Esculetin derivatives and method for manufacture thereof, use thereof, and pharmaceutical composition | Koichi Niimura, Junko Miyagawa | 1998-04-07 |
| 5731293 | Esculetin derivatives, method for manufacture thereof, and pharmaceutical composition | Koichi Niimura, Toru Yamazaki, Hiroshi Maruoka | 1998-03-24 |
| 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 |
| 5455268 | Esculetin derivatives and pharmaceutical composition | Koichi Niimura, Kiyonori Umekawa | 1995-10-03 |
| 4997850 | Treating agent for osteroarthritis | Fumihiko Kimura, Yutaka Mukaida | 1991-03-05 |