Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347305 | Photosensitive lithographic printing plate precursors and methods of preparing printing plate therefrom | Keisuke Shiba | 1982-08-31 |
| 4341856 | Photosensitive lithographic printing plate precursors | Sho Nakao, Keisuke Shiba, Hidefumi Sera, Masasi Ogawa | 1982-07-27 |
| 4331479 | Process of using light-sensitive o-quinone diazide material to make aluminum oxide nameplate | — | 1982-05-25 |