Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358610 | Method for electrolytic treatment | Seiji Kawasumi | 1994-10-25 |
| 5350010 | Method of producing planographic printing plate support | Hirokazu Sawada, Tsutomu Kakei, Masaya Matsuki | 1994-09-27 |
| 5328573 | Method for electrochemically roughening a surface of a metal plate | Seiji Kawasumi | 1994-07-12 |
| 5314607 | Apparatus and method for anodizing supports for lithographic printing plate | Nobuyoshi Kaneko, Tsutomu Kakei | 1994-05-24 |
| 5275691 | Method for treating a surface of an aluminum substrate for a printing plate | Hiroshi Fukuta | 1994-01-04 |