Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466990 | Heat-resistant fiber and/or fire retardant synthetic fiber | Kanako Kaji, Toshio Okada | 1984-08-21 |
| 4212649 | Method for manufacturing heat-resistant and flame-retardant synthetic fiber | Toshio Okada, Kanako Kaji | 1980-07-15 |