Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648035 | Process for producing film | Katsuya Okamoto, Koichi Abe | 1997-07-15 |
| 5626942 | Polyester film and process for producing the same | Katsuya Okamoto, Koichi Abe | 1997-05-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648035 | Process for producing film | Katsuya Okamoto, Koichi Abe | 1997-07-15 |
| 5626942 | Polyester film and process for producing the same | Katsuya Okamoto, Koichi Abe | 1997-05-06 |