Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374470 | Support for photographic photosensitive materials having a magnetic recording layer, a first cellulose acetate layer and a second cellulose acetate layer intermediate the magnetic layer and first cellulose acetate layer | Tadahiro Tsujimoto, Yoshio Sakakibara | 1994-12-20 |