Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886546 | Pyrone-3-carboxamide compounds and herbicidal composition thereof | Hiroshi Yagihara, Kazuhisa Masamoto, Yasuo Morishima, Hirokazu Osabe | 1989-12-12 |
| 4844732 | Pyridine-3-carboxamide derivatives | Kazuhisa Masamoto, Hiroshi Yagihara, Yasuo Morishima, Hirokazu Osabe | 1989-07-04 |