Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797225 | Process for producing polyester sheet and film | Shozo Nitta, Yo Goto | 2004-09-28 |
| 5804119 | Process for producing biaxially oriented polyester film as a base film for a photographic film | — | 1998-09-08 |
| 5188774 | Aromatic polyester film and process for producing the same | Shozo Nitta, Hideshi Kurihara, Kazuyuki Sanenobu, Tetsuo Ichihashi | 1993-02-23 |
| 4478772 | Process for preparing cast film of thermoplastic resin | Hiroshi Aoyagi | 1984-10-23 |