Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700612 | Method for preparation of printing plate by electrophotographic process | Eiichi Kato, Kazuo Ishii | 1997-12-23 |
| 5648190 | Method of forming color images and apparatus used therefor | Eiichi Kato, Sadao Osawa | 1997-07-15 |
| 5648191 | Method for preparation of printing plate by electrophotographic process | Eiichi Kato | 1997-07-15 |
| 5620822 | Method for preparation of printing plate by electrophotographic process | Eiichi Kato, Sadao Osawa | 1997-04-15 |