Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753842 | Heat-shrinkable biaxially drawn polyamide film and process for preparation thereof | Tsuguo Okumura, Kenji Mori | 1988-06-28 |
| 4698195 | Process for preparing biaxially drawn polyamide films | Tsuguo Okumura, Naomichi Yamagishi, Masayoshi Sugiyama, Kenji Mori | 1987-10-06 |
| 4690792 | Biaxially drawn laminated films prepared by sequential stretching | Hitoshi Matsuda, Tsuguo Okumura | 1987-09-01 |