Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869913 | Pyridazin-3-one derivatives, their use and intermediates for their production | Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu | 2005-03-22 |
| 6703503 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu | 2004-03-09 |
| 6482773 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu | 2002-11-19 |
| 6348628 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu | 2002-02-19 |
| 6090753 | Pyridazin-3-one derivatives, their use, and intermediates for their production | Tadashi Katayama, Shinichi Kawamura, Yuzuru Sanemitsu | 2000-07-18 |