Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H670 | Herbicidal composition | Takahiro Haga, Nobuyuki Sakashita, Chimoto Honda, Shigeo Murai | 1989-09-05 |
| 4835282 | Isothiazoles as intermediates for herbicidal sulfonamides | Takahiro Haga, Kazuyuki Maeda, Hiroshi Shimoharada, Tsunezo Yoshida, Masahiko Ikeguchi | 1989-05-30 |
| 4822402 | Thiophenesulfonamide compounds, and herbicidal compositions containing them | Takahiro Haga, Kazuyuki Maeda, Koji Hayashi, Masahiko Ikeguchi, Tsunezo Yoshida | 1989-04-18 |