Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889552 | 2-Phenoxypyrimidine derivative and herbidical composition | Nobuhide Wada, Yoshihiro Saito, Shoji Kusano, Yasufumi Toyokawa, Takeshige Miyazawa | 1989-12-26 |
| 4832729 | Picolinic acid derivatives and herbicidal compositions | Masahiro Shigematsu, Hideo Ohi, Shoji Kusano, Takeshige Miyazawa, Yasuhumi Toyokawa +1 more | 1989-05-23 |