Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968977 | Ketonitrile derivatives and antibacterial agent and drugs containing the same | Shozo Kato, Hidenobu Itahana, Masao Yamaguchi, Makiko Furuki, Toshio Kitajima | 1999-10-19 |
| 5629265 | Cyanoketone derivative and herbicide containing it as an active component | Masahiko Ishizaki, Junji Takenaka | 1997-05-13 |
| 5234894 | Carbonyl acetonitrile derivative and herbicide containing it as an active component | Masahiko Ishizaki, Tadashi Kobutani | 1993-08-10 |