Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248263 | Image forming apparatus,adjustment method and non-transitory computer-readable recording medium encoded with adjustment program | — | 2025-03-11 |
| 10404194 | Motor driver with multipurpose pin | Fumio Kumazawa | 2019-09-03 |
| 10084397 | Motor driver with multipurpose pin | Fumio Kumazawa | 2018-09-25 |
| 9762763 | Image inspection apparatus that determines a line width of a test image, and image forming apparatus | Toru Yamaguchi, Takahiro KUSUNOKI | 2017-09-12 |
| 9686428 | Equipment to determine line width of check image and image-forming apparatus using the same | Takaaki Kooriya, Katsuyuki Hirata | 2017-06-20 |
| 9321621 | Aseptic filling system | Koji Kitano, Haruhiko Kondo, Yoshihiro Akiyama | 2016-04-26 |
| 9291962 | Image-forming apparatus with controller and fixing portion to control toner adhesion amount | Daiki Yamanaka, Toru Yamaguchi | 2016-03-22 |
| 8971740 | Image forming apparatus | Katsuyuki Hirata | 2015-03-03 |
| 8938174 | Image forming apparatus and image forming method | Katsuyuki Hirata | 2015-01-20 |
| 8837001 | Image forming apparatus and gradation correction method for the same | Hideaki Tanaka, Katsuyuki Hirata, Daiki Yamanaka, Kazuhiro Saito | 2014-09-16 |
| 8804194 | Image forming apparatus and image forming method | Kazuhiro Saito, Hideaki Tanaka, Katsuyuki Hirata | 2014-08-12 |
| 8797600 | Image forming apparatus and gradation correction method with density unevenness detection | Hideaki Tanaka, Katsuyuki Hirata, Toru Yamaguchi, Takaaki Kooriya | 2014-08-05 |
| 8412063 | Image forming apparatus that performs image stabilization control | Mitsuru Obara, Soh Hirota, Hironori Akashi, Kanako Kibihara | 2013-04-02 |
| 8260160 | Color image forming apparatus | Hironori Akashi, Soh Hirota, Mitsuru Obara, Kanako Kibihara | 2012-09-04 |
| 8233016 | Image forming apparatus, and exposure control method therefor | Tetsuya Sakai, Katsuyuki Hirata, Tatsuya Isono, Toshio Tsuboi | 2012-07-31 |
| 8112007 | Image forming apparatus, tone correction method using tone patches and alignment markers, and computer-readable recording medium recorded with a tone correction program using tone patches and alignment markers | Tetsuya Sakai, Soh Hirota, Masahiro Kouzaki, Kazuomi Sakatani | 2012-02-07 |
| 8090281 | Image forming apparatus and tone correction method | Soh Hirota, Tetsuya Sakai, Kazuomi Sakatani, Masahiro Kouzaki | 2012-01-03 |
| 8035333 | Fan motor speed control circuit, fan apparatus, and electronic apparatus | Tetsuya Yoshitomi | 2011-10-11 |
| 8005379 | Image forming apparatus and image forming method | Osamu Yamada | 2011-08-23 |
| 7983507 | Image fo ming device and image forming method | Masahiro Kouzaki, Tetsuya Sakai, Kazuomi Sakatani, Soh Hirota | 2011-07-19 |
| 7949234 | Motor speed control circuit | Koichiro Ogino | 2011-05-24 |
| 7564204 | Motor speed control circuit | Koichiro Ogino | 2009-07-21 |
| 7420340 | Motor speed control circuit | Koichiro Ogino | 2008-09-02 |
| 7301294 | Motor speed control integrated circuit | Koichiro Ogino | 2007-11-27 |
| 7181148 | Image forming apparatus and device for determining the density and position of a toner pattern | Tetsuya Sakai, Katsuyuki Hirata, Hironori Akashi, Tatsuya Isono, Masaki Tanaka | 2007-02-20 |