Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840675 | Mold release composition | Shosin Fukui, Hirokazu Aoyama | 1989-06-20 |
| 4795793 | Fluorine-containing copolymer and oil and water repellent composition containing the same | Yoshio Amimoto, Kazunori Hayashi, Takashi Enomoto | 1989-01-03 |