Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889719 | Microencapsulated organophosphorus insecticidal composition for agricultural use | Toshiro Ohtsubo, Yukio Manabe, Kiyoshi Kasamatsu, Hisami Takeda, Kozo Tsuji | 1989-12-26 |
| 4871766 | Oil-in-water pesticidal emulsion | Yukio Manabe, Kozo Tsuji | 1989-10-03 |
| 4834977 | Poison bait for control of noxious insects | Takuji Kohama, Fumiyasu Minagawa, Goro Shinjo, Kazuyuki Maeda | 1989-05-30 |