Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820334 | 1,2,4-triazole-3-carboxamide compound and a herbicidal composition containing the same | Shiro Yamazaki, Hiroyasu Shinkawa | 1989-04-11 |
| 4795484 | Herbicidal composition containing a derivative of 1,2,4-triazole as an active ingredient | Katsumichi Aoki, Takeo Watanabe, Keigo Satake, Hiroyasu Shinkawa, Shiro Yamazaki | 1989-01-03 |