Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167318 | Inspection apparatus and method of inspection | — | 2021-11-09 |
| 10750032 | Image inspection apparatus | — | 2020-08-18 |
| 10477075 | Image forming apparatus, non-transitory recording medium storing paper-information obtaining program, and paper-information obtaining method | — | 2019-11-12 |
| 10148828 | Image forming apparatus, image forming system, and non-transitory recording medium storing a computer readable program | — | 2018-12-04 |
| 10097734 | Image forming apparatus for monitoring and adjusting gradation characteristics | — | 2018-10-09 |
| 10063733 | Alignment sheet, image forming apparatus and method for aligning image forming position | — | 2018-08-28 |
| 9906689 | Image forming apparatus and computer readable recording medium | — | 2018-02-27 |
| 9811042 | Image forming device, image forming system, image detecting unit correcting method and image detecting device | Mitsunori Nakamura | 2017-11-07 |
| 9420133 | Image forming apparatus | Katsuyuki Hirata | 2016-08-16 |
| 9332159 | Image reading apparatus and image forming apparatus | — | 2016-05-03 |
| 9154667 | Calibration apparatus and method for calibrating image reading apparatus | — | 2015-10-06 |
| 8964246 | Image forming apparatus, image forming method, image density measuring apparatus, and image density measuring method | — | 2015-02-24 |
| 8848255 | Image forming apparatus, image forming system and updating method of multi-dimensional LUT | — | 2014-09-30 |
| 8626017 | Image forming device and developer supply method including pre-supply toner detection | Katsuyuki Hirata, Yoshinori Tsutsumi | 2014-01-07 |
| 8625179 | Color adjustment method and image forming system using gamma curve associating densities of patches from different printers | — | 2014-01-07 |
| 8428483 | Image forming apparatus, image forming system, and image density adjustment method | — | 2013-04-23 |
| 8218982 | Image forming device having a trickle developing apparatus | Katsuyuki Hirata, Mitsuru Obara, Yoshinori Tsutsumi | 2012-07-10 |
| 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, Takashi Harashima | 2012-02-07 |
| 8090281 | Image forming apparatus and tone correction method | Soh Hirota, Tetsuya Sakai, Takashi Harashima, Masahiro Kouzaki | 2012-01-03 |
| 8045872 | Image-forming apparatus containing electrophotographic system and image-forming method | Katsuyuki Hirata, Toshikuni Ando, Kiyohito Tsujihara | 2011-10-25 |
| 8023839 | Developing apparatus and image forming machine | Katsuyuki Hirata, Mitsuru Obara, Yoshinori Tsutsumi | 2011-09-20 |
| 7983507 | Image fo ming device and image forming method | Masahiro Kouzaki, Tetsuya Sakai, Soh Hirota, Takashi Harashima | 2011-07-19 |
| 7676163 | Image forming apparatus and image forming method | Soh Hirota, Masahiro Kouzaki, Mitsuru Obara, Masaki Tanaka | 2010-03-09 |
| 7522864 | Image forming apparatus and image forming method | Soh Hirota, Masahiro Kouzaki, Mitsuru Obara, Masaki Tanaka | 2009-04-21 |
| 7298917 | Image processing program product and device for executing Retinex processing | Tetsuya Itoh, Yoichi Miyake, Norimichi Tsumura | 2007-11-20 |