Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8380097 | Image forming apparatus that includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating | Hiroyuki Seki, Yoshiro Saito, Masahide Hirai | 2013-02-19 |
| 8369726 | Image forming apparatus | Tatsuya Kinukawa, Yoshiro Saito, Tomoaki Nakai, Hiroyuki Seki, Kimitaka Ichinose | 2013-02-05 |
| 8270855 | Image forming apparatus | Yasutaka Yagi, Tomoaki Nakai, Hiroyuki Seki | 2012-09-18 |
| 8185003 | Image forming apparatus and control method thereof featuring image member surface data detection | Masahide Hirai, Yoshiro Saito, Hiroyuki Seki, Tatsuya Kinukawa, Yasutaka Yagi | 2012-05-22 |
| 8175474 | Image forming apparatus with dynamic characteristic calculation | Tatsuya Kinukawa, Yoshiro Saito, Tomoaki Nakai, Hiroyuki Seki, Kimitaka Ichinose | 2012-05-08 |
| 8103182 | Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating | Hiroyuki Seki, Yoshiro Saito, Masahide Hirai | 2012-01-24 |
| 7027748 | Image forming apparatus and density detection pattern forming method therein | — | 2006-04-11 |
| 6799001 | Process cartridge detachably mountable to an image forming apparatus and image forming apparatus including image control means for adjusting an image on a transferring material | Akihiko Takeuchi | 2004-09-28 |
| 6775489 | Image forming apparatus capable of detecting density of toner image | Takaaki Tsuruya | 2004-08-10 |
| 6512898 | Image forming apparatus for detecting the density of toner | — | 2003-01-28 |
| 6477348 | Image forming apparatus | Takayuki Miyamoto, Hideyuki Yano, Kenji Watanabe | 2002-11-05 |
| 6477339 | Image forming apparatus with current detector and voltage control based on detection result | Hideyuki Yano | 2002-11-05 |
| 6473574 | Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing members | Masatake Usui, Akihiko Takeuchi, Hideyuki Yano, Akihiko Uchiyama | 2002-10-29 |
| 6226465 | Image forming apparatus with relative speed differential between intermediate transfer member and image bearing member | — | 2001-05-01 |
| 6175702 | Color image forming apparatus which prevents the scatter of color characters and lines | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Naoki Enomoto, Takaaki Tsuruya | 2001-01-16 |
| 5946538 | Image forming apparatus | Akihiko Takeuchi, Tatsuya Kobayashi, Toshiaki Miyashiro, Naoki Enomoto, Takaaki Tsuruya | 1999-08-31 |