Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207332 | Process for producing lithographic printing plate | Takao Nakayama, Shigeyuki Dan, Ryousuke Itakura, Hiroshi Tashiro | 2001-03-27 |
| 6022654 | Production process of lithographic printing plate | Takao Nakayama, Shigeyuki Dan, Ryosuke Itakura, Hiroshi Tashiro | 2000-02-08 |
| 5298357 | Liquid developer for electrostatic photography and duplicating method using the same | Eiichi Kato, Kazuo Ishii | 1994-03-29 |
| 5141835 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-08-25 |
| 5114822 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-05-19 |
| 5112718 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-05-12 |
| 5112716 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-05-12 |
| 5108864 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-04-28 |
| 5106716 | Liquid developer for electrostatic photography | Eiichi Kato | 1992-04-21 |
| 5073470 | Liquid developer for electrostatic photography | Eiichi Kato | 1991-12-17 |
| 5073471 | Liquid developer for electrostatic photography | Eiichi Kato | 1991-12-17 |
| 5041352 | Liquid developer for electrostatic photography | Eiichi Kato, Kazuo Ishii | 1991-08-20 |
| 4977055 | Liquid developer for electrostatic photography | Eiichi Kato, Kazuo Ishii | 1990-12-11 |