Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7884840 | Image forming method and apparatus for transfer and fixing image with one process | Chiemi Kaneko, Hirokatsu Suzuki, Kenichi Taguma, Emiko Ishikawa, Yasukuni Omata | 2011-02-08 |
| 7295795 | Image forming apparatus and an impurity collecting device associated with registration rollers | Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama +4 more | 2007-11-13 |
| 7197269 | Method, system and apparatus for transferring toner images to both sides of a recording medium | Yasukuni Omata, Hideaki Mochimaru, Chiemi Kaneko, Koji Suzuki, Naoki Iwata +4 more | 2007-03-27 |
| 7054587 | Image forming apparatus for recording on two sides in a single pass | Kenichi Taguma, Chiemi Kaneko | 2006-05-30 |
| 7039349 | Image forming apparatus transferring toner images to both surfaces of a recording medium | Chiemi Kaneko | 2006-05-02 |
| 7003251 | Image forming method having transfer temperature difference and apparatus for the same | Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama +4 more | 2006-02-21 |
| 6983117 | Image forming apparatus configured for double sided printing | Koji Suzuki, Hideaki Mochimaru, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama +4 more | 2006-01-03 |
| 6801742 | Method and apparatus for producing duplex prints and image forming system using the same | Hideaki Mochimaru, Yasukuni Omata, Chiemi Kaneko, Yuzo Kouno | 2004-10-05 |
| 6574448 | Image forming apparatus and method for improving image quality of double sided prints | Hideaki Mochimaru, Yasukuni Omata, Mitsuru Seto, Toshiaki Higaya, Masanori Matsuda | 2003-06-03 |
| 5570162 | Charge depositing member and image forming apparatus using the same | — | 1996-10-29 |
| 5559590 | Image forming apparatus which cleans a transfer belt by applying a bias voltage | Makoto Arai, Masakuni Konja, Satoshi Takano | 1996-09-24 |
| 5499078 | Charge roller and image forming apparatus using the same | Junji Kurokawa, Kazuo Nojima | 1996-03-12 |
| 5394231 | Image forming apparatus capable of forming an erasable image | Kazuhisa Sudo, Mitsuo Tanaka, Chikara Imai, Koji Suzuki, Sadao Takahashi | 1995-02-28 |
| 5038175 | Image density control method | Yasushi Koichi, Kazunori Karasawa | 1991-08-06 |
| 5006896 | Image density control method for an image forming apparatus | Yasushi Koichi, Kazunori Karasawa | 1991-04-09 |
| 4962394 | Toner density control device for an image recorder | Yasushi Koichi, Kazunori Karasawa | 1990-10-09 |