Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834977 | Poison bait for control of noxious insects | Takuji Kohama, Fumiyasu Minagawa, Goro Shinjo, Shigenori Tsuda | 1989-05-30 |
| 4835282 | Isothiazoles as intermediates for herbicidal sulfonamides | Fumio Kimura, Takahiro Haga, Hiroshi Shimoharada, Tsunezo Yoshida, Masahiko Ikeguchi | 1989-05-30 |
| 4822402 | Thiophenesulfonamide compounds, and herbicidal compositions containing them | Fumio Kimura, Takahiro Haga, Koji Hayashi, Masahiko Ikeguchi, Tsunezo Yoshida | 1989-04-18 |