Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837217 | Pyridazinone derivatives, preparation thereof, and insecticidal, acaricidal, nematicidal, fungicidal compositions | Tomoyuki Ogura, Yasuo Kawamura, Masatoshi Baba, Shigeru Ishii, Kiminori Hirata +2 more | 1989-06-06 |