Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494137 | Support for lithographic printing plate and presensitized plate | Hirokazu Sawada | 2002-12-17 |
| 6475630 | Planographic printing plate, non-woven cloth roller, and method and apparatus for preliminarily polishing a metal plate for printing plate | Masahiro Endo, Yoshinori Hotta | 2002-11-05 |
| 6344131 | Method of producing aluminum support for planographic printing plate | Atsuo Nishino | 2002-02-05 |
| 6340426 | Electrolytic treatment method | — | 2002-01-22 |