Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889719 | Microencapsulated organophosphorus insecticidal composition for agricultural use | Toshiro Ohtsubo, Shigenori Tsuda, Yukio Manabe, Hisami Takeda, Kozo Tsuji | 1989-12-26 |