Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857255 | Poly-p-phenylene-terephthalamide film and process for producing the same | Shigemitsu Muraoka | 1989-08-15 |
| 4752643 | Transparent poly-p-phenylene-terephthalamide film | Shigemitsu Muraoka | 1988-06-21 |