Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403586 | Pyridazine derivatives and drugs containing the same as the active ingredient | Masao Ohkuchi, Yoshinori Kyotani, Hiromichi Shigyo, Hideo Yoshizaki, Tomoyuki Koshi +4 more | 2002-06-11 |
| 6348468 | Pyridazine compounds and compositions containing the same | Masao Ohkuchi, Yoshinori Kyotani, Hiromichi Shigyo, Tomoyuki Koshi, Tadaaki Ohgiya +6 more | 2002-02-19 |