Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326676 | Image forming apparatus | Kazushi Suzuki, Takeshi Sugita, Tamotsu Kaneko, Hisahiro Saito | 2025-06-10 |
| 11630403 | Image forming apparatus | Kazushi Suzuki, Takeshi Sugita, Tamotsu Kaneko, Hisahiro Saito | 2023-04-18 |
| 11009812 | Image forming apparatus | Kazushi Suzuki, Takeshi Sugita, Tamotsu Kaneko, Hisahiro Saito | 2021-05-18 |
| 8259143 | Image forming apparatus | — | 2012-09-04 |
| 8111415 | Image forming apparatus and method of controlling the same to correct image forming position in an amount smaller than one pixel | — | 2012-02-07 |
| 8059318 | Color image forming apparatus and control method therefor | Shinji Katagiri | 2011-11-15 |
| 8027063 | Image forming apparatus | — | 2011-09-27 |
| 7710610 | Image forming apparatus employing a forgery discrimination pattern | Shinji Katagiri | 2010-05-04 |
| 7636100 | Image forming apparatus | — | 2009-12-22 |
| 7280778 | Image forming apparatus with transfer material regulating members | Toshiaki Miyashiro, Yuki Nishizawa | 2007-10-09 |
| 7239427 | Method of making correction for color sensor output values in color image forming apparatus, and color image forming apparatus | Hiroki Tezuka | 2007-07-03 |
| 6985678 | Color image forming apparatus and control method therefor | Tomoaki Nakai, Hiroki Tezuka | 2006-01-10 |
| 6980749 | Image forming apparatus with control feature based on transfer material discrimination | Yasuo Yoda, Tatsunori Ishiyama, Hiroshi Kawaguchi, Kenichi Iida, Yuki Nishizawa | 2005-12-27 |
| 6961526 | Image forming apparatus which performs image formation control based on the image after fixing | Hiroki Tezuka, Toshiki Nakayama, Seiji Uchiyama | 2005-11-01 |
| 6898381 | Color image forming apparatus and method for controlling the same | Tomoaki Nakai, Hiroki Tezuka | 2005-05-24 |
| 6853815 | Image forming apparatus and adjustment method of the same | Hiroki Tezuka | 2005-02-08 |
| 6633734 | Image forming apparatus having density detecting means | Koichi Hiroshima, Tomoaki Nakai | 2003-10-14 |
| 6564021 | Image forming apparatus with transfer voltage control for transferring toner patterns | Tomoaki Nakai | 2003-05-13 |
| 6553192 | Image forming apparatus having plural image transfer operation modes including different transfer charging features | — | 2003-04-22 |
| 6516163 | Image forming apparatus having control for forming density and graduation patches | Tomoaki Nakai | 2003-02-04 |
| 6505012 | Image forming apparatus | Tomoaki Nakai | 2003-01-07 |
| 6393250 | Cleaning apparatus and image forming apparatus | Shinichi Tsukida, Jun Suzuki, Kimitaka Ichinose | 2002-05-21 |
| 6226466 | Image forming apparatus that performs image density control | Masaki Ojima | 2001-05-01 |
| 6125245 | Image forming apparatus | Takashi Shibuya | 2000-09-26 |
| 6101286 | Image processing apparatus and method having improved color-boundary mixing | Satoshi Shimizu, Haruo Fujii, Hiroshi Sasame, Tatsuya Kobayashi, Takashi Kawana +5 more | 2000-08-08 |