Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935408 | Organotin compounds and pesticides containing them | Masazumi Fujikawa, Katsuaki Oba, Fusaharu Kumayama, Toshio Takahashi | 1990-06-19 |
| 4774235 | Organotin compounds and pesticides containing them | Masazumi Fujikawa, Katsuaki Oba, Fusaharu Kumayama, Toshio Takahashi | 1988-09-27 |
| 4526932 | Antifouling agent | Kazuhiko Sakamoto | 1985-07-02 |
| 4301173 | Horticultural composition and method for controlling plant mites | Masazumi Fujikawa, Hiromitsu Kariya | 1981-11-17 |