Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399072 | N-Phenyl-N-methylurea derivatives | Takemoto Ichiki, Ryo Yoshida, Seizo Sumida | 1983-08-16 |
| 4280835 | Herbicidal N-phenyl-N-methylurea derivatives | Takemoto Ichiki, Ryo Yoshida, Seizo Sumida | 1981-07-28 |