Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362807 | Photomask-forming photographic material and method for producing photomask using same | — | 1982-12-07 |
| 4342818 | Process for forming color filter | Yukio Yokota, Kenji Matsumoto | 1982-08-03 |
| 4336316 | Image forming method | — | 1982-06-22 |