Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670043 | Herbicidal 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles | Eiki Nagano, Masayuki Fukushima, Ryo Yoshida, Hiroshi Matsumoto | 1987-06-02 |
| 4624699 | 2-substituted phenyl-4,5,6,7-tetrahydro-2H-indazoles, their production, and use as herbicides | Eiki Nagano, Masayuki Fukushima, Ryo Yoshida, Hiroshi Matsumoto | 1986-11-25 |
| 4563535 | Process for producing tetrahydrophthalimides | — | 1986-01-07 |
| 4437880 | N'-Phenyl-N-methylurea derivatives | Junya Takahashi, Katsuzo Kamoshita, Ryo Yoshida, Haruhiko Katoh, Seizo Sumida | 1984-03-20 |
| 4427596 | N-[2-(Cyclopropyl) ethoxy] phenylanilide derivatives, and their production and use | Katsuzo Kamoshita, Ryo Yoshida, Seizo Sumida | 1984-01-24 |
| 4378992 | Urea derivatives, and their production and use | Ryo Yoshida, Seizo Sumida, Katsuzo Kamoshita | 1983-04-05 |
| 4334912 | Urea derivatives, and their production and use | Ryo Yoshida, Haruhiko Katoh, Seizo Sumida, Junya Takahashi, Katsuzo Kamoshita | 1982-06-15 |
| 4328166 | Production of substituted phenylurea | Fumio Fujita, Hiroshi Kishida, Nobushige Itaya | 1982-05-04 |
| 4309212 | Herbicidal compositions and methods employing urea derivatives | Seizo Sumida, Ryo Yoshida, Katsuzo Kamoshita | 1982-01-05 |
| 4263219 | Production of substituted phenylurea | Fumio Fujita, Hiroshi Kishida, Nobushige Itaya | 1981-04-21 |
| 4260411 | N'-phenyl-N-methylurea derivatives | Ryo Yoshida, Seizo Sumida, Katsuzo Kamoshita | 1981-04-07 |
| 4249938 | N-Phenyl-N-methyl-urea derivatives, and their production and use | Seizo Sumida, Ryo Yoshida, Katsuzo Kamoshita | 1981-02-10 |