Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777228 | Biaxially oriented paraphenylene sulfide block copolymer film and process for producing the same | Toshiya Mizuno, Yo Iizuka | 1988-10-11 |
| 4774298 | Process for producing biaxially oriented paraphenylene sulfide block copolymer film | Toshiya Mizuno, Hideyuki Yasumi, Yo Iizuka | 1988-09-27 |