Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873170 | Method for making lithographic printing plate | Hiroshi Nishinoiri, Yoshikazu Takaya, Euji Kanada | 1989-10-10 |
| 4824760 | Lithographic printing plate with benzotriazoles improved in printing endurance | Kazuyoshi Yamamoto, Eiji Kanada | 1989-04-25 |