Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236762 | Abrasive film and method for production thereof | Yasuyuki Suzuki, Hikaru Honjo | 1993-08-17 |
| 5223372 | Chemical mat film and a photosensitive film comprising an o-naphthoquinine diazide compound and a binder coated over the chemical mat film | Shinichi Yamamoto | 1993-06-29 |