Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132171 | Non-flammable open-cell cross-linked polyolefin foam and method for production thereof | Iwao Yoshizawa, Tomoyoshi Shibata, Motoyoshi Hatada | 1992-07-21 |
| 4466990 | Heat-resistant fiber and/or fire retardant synthetic fiber | Ichiro Sakurada, Toshio Okada | 1984-08-21 |
| 4212649 | Method for manufacturing heat-resistant and flame-retardant synthetic fiber | Ichiro Sakurada, Toshio Okada | 1980-07-15 |