Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526240 | Image forming apparatus including a plurality of photoconductive elements developing devices and mirrors | Yasukuni Omata | 2009-04-28 |
| 7369147 | Image forming apparatus and control method thereof | Hideo Kikuchi | 2008-05-06 |
| 7346295 | Belt member and belt device using the same | — | 2008-03-18 |
| 7295795 | Image forming apparatus and an impurity collecting device associated with registration rollers | Koji Suzuki, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama, Norimasa Sohmiya +4 more | 2007-11-13 |
| 7277662 | Belt member, belt driving unit, and image forming apparatus | Yuuji Sawai | 2007-10-02 |
| 7221895 | Image forming apparatus and belt unit therefor, and image forming system | Yasukuni Omata | 2007-05-22 |
| 7206540 | Image forming apparatus operable in a duplex print mode | Yasukuni Omata | 2007-04-17 |
| 7197269 | Method, system and apparatus for transferring toner images to both sides of a recording medium | Yasukuni Omata, Chiemi Kaneko, Koji Suzuki, Naoki Iwata, Kunihiko Tomita +4 more | 2007-03-27 |
| 7061637 | Method and apparatus for image forming capable of effectively collating a stack of single-/double-sided recording sheets in a desired ejection tray | Yasukuni Omata | 2006-06-13 |
| 7027762 | Image forming apparatus operable in a duplex print mode | Yasukuni Omata | 2006-04-11 |
| 7020432 | Recording medium supporting member, recording medium conveying device for use in image forming apparatus and image forming system, and image forming method | Yasukuni Omata | 2006-03-28 |
| 7003251 | Image forming method having transfer temperature difference and apparatus for the same | Koji Suzuki, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama, Norimasa Sohmiya +4 more | 2006-02-21 |
| 6985687 | Image forming apparatus and image forming system including the same | Yasukuni Omata | 2006-01-10 |
| 6983117 | Image forming apparatus configured for double sided printing | Norimasa Sohmiya, Koji Suzuki, Naoki Iwata, Kunihiko Tomita, Hiroshi Yokoyama +4 more | 2006-01-03 |
| 6941094 | Image forming apparatus receiving alternative devices, at least one of which includes an intermediary transfer member | Yasukuni Omata | 2005-09-06 |
| 6898398 | Apparatus for image forming on both sides of a recording medium and image forming method, and image carrier for the same | Yasukuni Omata, Hisao Murayama | 2005-05-24 |
| 6898408 | Image forming apparatus operable in a duplex print mode | Yasukuni Omata | 2005-05-24 |
| 6801742 | Method and apparatus for producing duplex prints and image forming system using the same | Yasukuni Omata, Norimasa Sohmiya, Chiemi Kaneko, Yuzo Kouno | 2004-10-05 |
| 6741825 | Image forming apparatus and method | Yasukuni Omata | 2004-05-25 |
| 6728505 | Recording medium supporting member, recording medium conveying device for use in image forming apparatus and image forming system, and image forming method | Yasukuni Omata | 2004-04-27 |
| 6643489 | Image forming apparatus and method | Yasukuni Omata | 2003-11-04 |
| 6633733 | Method and apparatus for printing an appropriate image even on a special recording medium | Yasukuni Omata | 2003-10-14 |
| 6608985 | Image-forming apparatus and method for image recording on two sides of a medium using a positioning mark | Yasukuni Omata | 2003-08-19 |
| 6584295 | Method and apparatus for forming an image in a duplex print mode | Yasukuni Omata | 2003-06-24 |
| 6574448 | Image forming apparatus and method for improving image quality of double sided prints | Yasukuni Omata, Norimasa Sohmiya, Mitsuru Seto, Toshiaki Higaya, Masanori Matsuda | 2003-06-03 |