Issued Patents 1997
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700612 | Method for preparation of printing plate by electrophotographic process | Yusuke Nakazawa, Kazuo Ishii | 1997-12-23 |
| 5691094 | Method for preparation of printing plate by electrophotographic process and apparatus for use therein | — | 1997-11-25 |
| 5689785 | Color image forming method and apparatus used therefor | Sadao Osawa | 1997-11-18 |
| 5683841 | Method for preparation of waterless lithographic printing plate by electrophotographic process | — | 1997-11-04 |
| 5677098 | Image formation method using beam exposure | Takao Nakayama, Kazuo Ishii | 1997-10-14 |
| 5670283 | Electrophotographic material for color proofing | Sadao Osawa | 1997-09-23 |
| 5658701 | Method for preparation of waterless lithographic printing plate by electrophotographic process | — | 1997-08-19 |
| 5652076 | Method for preparation of printing plate by electrophotographic process | Hiroyuki Oishi, Kazuo Ishii | 1997-07-29 |
| 5648191 | Method for preparation of printing plate by electrophotographic process | Yusuke Nakazawa | 1997-07-15 |
| 5648190 | Method of forming color images and apparatus used therefor | Sadao Osawa, Yusuke Nakazawa | 1997-07-15 |
| 5626996 | Electrophotographic material for color proofing | Sadao Osawa | 1997-05-06 |
| 5624777 | Electrophotographic lithographic printing plate precursor | Hiroshi Tashiro, Akio Oda, Kazuo Ishii | 1997-04-29 |
| 5620822 | Method for preparation of printing plate by electrophotographic process | Yusuke Nakazawa, Sadao Osawa | 1997-04-15 |
| 5607533 | Method for preparation of printing plate by electrophotographic process and apparatus for use therein | — | 1997-03-04 |
| 5601958 | Method for preparation of printing plate by electrophotographic process | Makoto Momota, Hiroyuki Ohishi | 1997-02-11 |
| 5597672 | Method for preparation of printing plate by electrophotographic process | — | 1997-01-28 |