Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6240270 | Color image forming method and device using potential division development | Teruaki Mitsuya, Masayoshi Ishii, Koji Kato, Hisayoshi Kato | 2001-05-29 |
| 6131000 | Electrophotographic printing apparatus using electric potential dividing development | Shinichi Akatsu, Teruaki Mitsuya, Kenichi Ito, Nobuyoshi Hoshi, Ryuuichi Shimizu +3 more | 2000-10-10 |
| 5884119 | Light exposure controlling method of electrophotographic apparatus for suppressing fringe in picture | Seiji Maruo, Hisao Okada, Kazutoshi Obara, Kenichi Ito | 1999-03-16 |
| 5832333 | Electrostatic recording apparatus and electrostatic recording method | Takao Umeda, Seiji Maruo | 1998-11-03 |
| 5659841 | Electrostatic recording control method and electrostatic recording apparatus | Takao Umeda, Masayasu Anzai, Shinji Asai, Kozi Kato, Yoshihiro Gunji | 1997-08-19 |
| 5600405 | Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof | Takao Umeda, Katsuya Kawai, Yosuke Saito, Masayasu Anzai, Masato Miwa +3 more | 1997-02-04 |
| 5579096 | Imaging apparatus and method for cleaning transfer/conveyer means | Yousuke Saito, Takao Umeda, Masayasu Anzai, Yasuo Kikuchi, Masato Miwa +1 more | 1996-11-26 |