Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627630 | Condensed pyridazine derivatives, their production and use | Yasuhiko Kawano, Hideaki Nagaya, Yukio Hara, Motoki Ikeuchi | 2003-09-30 |
| 6610694 | Condensed pyridazine compounds, their production and use | Yasuhiko Kawano, Hideaki Nagaya | 2003-08-26 |