Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4237122 | Imidazolidinedione compounds, and their production and use | Shuichiro Asao, Shigeo Yamamoto, Yoshio Hisada, Yoshinori Nakayama | 1980-12-02 |
| 4181732 | 1-Branched-alkylcarbonyl-3-(3,5-dihalophenyl)imidazolidine-2,4-diones | Shigeo Yamamoto, Toshiro Kato, Yoshio Hisada, Shuichiro Asao, Yoshinori Nakayama | 1980-01-01 |