Issued Patents All Time
Showing 51–75 of 217 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127452 | Oil-based ink for printing plate by ink jet process and method for preparing printing plate by ink jet process | — | 2000-10-03 |
| 6120655 | Process for producing printing plate for platemaking by ink-jet system | Kazuo Ishii, Sadao Osawa | 2000-09-19 |
| 6106984 | Lithographic printing plate precursor and method for preparing lithographic printing plate using the same | Seishi Kasai | 2000-08-22 |
| 6098545 | Oil-based ink for preparation of printing plate by ink jet process and method for preparation of printing plate using the same | — | 2000-08-08 |
| 6096485 | Desensitizing solution for lithographic printing | Seishi Kasai, Ryousuke Itakura | 2000-08-01 |
| 6080449 | Oil-based ink for preparing printing plate by ink jet process and method for preparing printing plate by ink jet process | Sadao Osawa, Kazuo Ishii | 2000-06-27 |
| 6066424 | Method for preparation of printing plate by electrophotographic process | — | 2000-05-23 |
| 6045956 | Method of forming color image | Yusuke Nakazawa | 2000-04-04 |
| 6019045 | Process for the preparation of ink jet process printing plate | Hiroyuki Ohishi | 2000-02-01 |
| 6004716 | Method of forming an electrophotographic transfer image | Sadao Osawa | 1999-12-21 |
| 5965660 | Desensitizing solution for lithography | Seishi Kasai, Ryosuke Itakura | 1999-10-12 |
| 5945240 | Direct drawing type lithographic printing plate precursor | Hiroshi Tashiro | 1999-08-31 |
| 5939228 | Direct drawing type lithographic printing plate precursor | Hiroshi Tashiro, Seishi Kasai | 1999-08-17 |
| 5928823 | Method for preparation of waterless lithographic printing plate by electrophotographic process | — | 1999-07-27 |
| 5882828 | Method for preparation of printing plate by electrophotographic process using liquid developer | Yusuke Nakazawa | 1999-03-16 |
| 5800954 | Method of forming color images and apparatus used therefor | Sadao Osawa, Yusuke Nakazawa | 1998-09-01 |
| 5770340 | Image formation method using scanning exposure | Takao Nakayama, Kazuo Ishii | 1998-06-23 |
| 5747214 | Method of forming an electrophotographic color transfer image and apparatus used therefor | Yusuke Nakazawa, Sadao Osawa | 1998-05-05 |
| 5731115 | Method for preparation of waterless lithographic printing plate by electrophotographic process | Akio Oda | 1998-03-24 |
| 5730787 | Desensitizing solution for lithography | Seishi Kasai, Ryousuke Itakura | 1998-03-24 |
| 5728497 | Method for preparation of waterless lithographic printing plate by electrophotographic process | Akio Oda | 1998-03-17 |
| 5725981 | Method of forming color images by electrophotographic process employing a peelable transfer layer having a stratified structure | — | 1998-03-10 |
| 5723239 | Desensitizing solution for offset printing | Ryosuke Itakura, Seishi Kasai, Hidefumi Sera | 1998-03-03 |
| 5714289 | Method of preparation of electrophotographic printing plate | Sadao Osawa, Seishi Kasai | 1998-02-03 |
| 5714250 | Direct drawing type lithographic printing plate precursor | Hiroshi Tashiro | 1998-02-03 |