Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879193 | Light sensitive material for making lithographic printing plate therefrom | Kazuo Yokoyama | 1989-11-07 |
| 4873170 | Method for making lithographic printing plate | Hiroshi Nishinoiri, Masahiko Saikawa, Euji Kanada | 1989-10-10 |