Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234975 | Composition superior in quick-curing for fiber-reinforced polyurethane resin | Yoshizumi Kataoka | 1993-08-10 |
| 5071613 | Method for producing polyurethane type composite | Hirokazu Oka, Koji Kanaya | 1991-12-10 |
| 5071939 | Method for preparing polyisocyanurate composite | Hirokazu Oka, Koji Kanaya | 1991-12-10 |