Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885022 | Herbicidal pyrazole derivatives | Takuya Kakuta, Norio Tanaka, Eiichi Oya, Takashi Ikai, Tsutomu Nawamaki +1 more | 1989-12-05 |
| 4877787 | Benzylthio pyridazinone derivatives, preparation thereof, and insecticidal acaricidal, fungicidal compositions | Masakazu Taniguchi, Masayoshi Hirose, Kiminori Hirata, Yoshinori Ochiai | 1989-10-31 |
| 4874861 | Pyridazinone derivatives, preparation thereof, and insecticidal, acaricidal, nematicidal, fungicidal compositions | Tomoyuki Ogura, Yasuo Kawamura, Shigeru Ishii, Masakazu Taniguchi, Masayoshi Hirose +2 more | 1989-10-17 |
| 4837217 | Pyridazinone derivatives, preparation thereof, and insecticidal, acaricidal, nematicidal, fungicidal compositions | Tomoyuki Ogura, Yasuo Kawamura, Shigeru Ishii, Kiminori Hirata, Masaki Kudo +2 more | 1989-06-06 |