Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698554 | Pyridazinone derivatives and processes for preparing the same | Akihiko Ishida, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698554 | Pyridazinone derivatives and processes for preparing the same | Akihiko Ishida, Michihisa Yato, Shinsuke Nishiyama, Fumikazu Okumura | 1997-12-16 |