Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954164 | Pyrazolesulfonylurea derivatives, preparation thereof, herbicide containing said derivative as active ingredient and herbicidal method by use thereof | Fumio Suzuki, Yoshihiro Iwasawa, Takasi Ikai, Tosihiko Oguti | 1990-09-04 |
| 4881965 | Wheat growing process utilizing selective herebicide | Susumu Yamamoto, Takuya Kakuta, Katsushi Morimoto, Eiichi Oya, Takashi Ikai +1 more | 1989-11-21 |
| 4844728 | Pyrazolesulfonamide derivative, and herbicide containing it | Susumu Yamamoto, Kakuta Takuya, Katsushi Morimoto, Eiichi Oya, Takasi Ikai +2 more | 1989-07-04 |
| 4830660 | Imidazolesulfonamide derivatives and herbicides | Susumu Yamamoto, Takuya Kakuta, Katsushi Morimoto, Eiichi Oya, Takashi Ikai +2 more | 1989-05-16 |
| 4689417 | Pyrazolesulfonylurea amides and chlorides | Susumu Yamamoto, Takasi Ikai, Tsutomu Nawamaki, Tosihiko Oguti | 1987-08-25 |
| 4668277 | Pyrazolesulfonylurea useful for controlling the growth of undesired vegetation | Susumu Yamamoto, Takasi Ikai, Tosihiko Oguti, Tsutomu Nawamaki | 1987-05-26 |