Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187773 | Hexahydrotriazine compounds and insecticides | Frank Xinhe Wu, Akinori Kariya, Atsushi Tsuji, Kiyoshi Takasuka, Shigenori Segami +2 more | 2001-02-13 |
| 5858923 | Hexahydropyridazine derivative and herbicide containing the same as active ingredient | Kiyoshi Takasuka, Hideyo Fujii, Seigo Koura, Yukiyo Shigeno | 1999-01-12 |