Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11036171 | Image forming device, developer stirring method and non-transitory recording medium | Teppei Kunihisa, Shigeki Naiki, Hironori Akashi | 2021-06-15 |
| 10782640 | Image forming device and toner patch forming method | Hironori Akashi, Shigeki Naiki | 2020-09-22 |
| 10613452 | Image forming apparatus and program | Shigeki Naiki, Teppei Kunihisa, Hironori Akashi, Kenji Tsuru | 2020-04-07 |
| 9008524 | Image forming device having a toner supply control portion | Yusuke Mamiya, Hironori Akashi, Yoshinori Tsutsumi, Kanako Kibihara | 2015-04-14 |
| 8412063 | Image forming apparatus that performs image stabilization control | Mitsuru Obara, Hironori Akashi, Takashi Harashima, Kanako Kibihara | 2013-04-02 |
| 8260160 | Color image forming apparatus | Hironori Akashi, Mitsuru Obara, Takashi Harashima, Kanako Kibihara | 2012-09-04 |
| 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, Masahiro Kouzaki, Takashi Harashima, Kazuomi Sakatani | 2012-02-07 |
| 8098406 | Image forming apparatus capable of suppressing color variation due to misregistration of colors, image forming method, and computer-readable medium | Osamu Yamada, Toshio Tsuboi | 2012-01-17 |
| 8090281 | Image forming apparatus and tone correction method | Tetsuya Sakai, Takashi Harashima, Kazuomi Sakatani, Masahiro Kouzaki | 2012-01-03 |
| 7983507 | Image fo ming device and image forming method | Masahiro Kouzaki, Tetsuya Sakai, Kazuomi Sakatani, Takashi Harashima | 2011-07-19 |
| 7676163 | Image forming apparatus and image forming method | Kazuomi Sakatani, Masahiro Kouzaki, Mitsuru Obara, Masaki Tanaka | 2010-03-09 |
| 7522864 | Image forming apparatus and image forming method | Kazuomi Sakatani, Masahiro Kouzaki, Mitsuru Obara, Masaki Tanaka | 2009-04-21 |
| 7248805 | Image forming apparatus and developing unit | Masaki Tanaka, Masahiro Kouzaki, Kazuomi Sakatani, Mitsuru Obara | 2007-07-24 |
| 7212752 | Image forming apparatus and a developing apparatus having a unit for determining a mixture ratio of two types of magnetic toner based on magnetic permeability and amount | Masaki Tanaka, Masahiro Kouzaki, Kazuomi Sakatani, Mitsuru Obara | 2007-05-01 |
| 6560351 | Image reading apparatus capable of detecting glossiness of image surface | — | 2003-05-06 |
| 6501566 | Image processing apparatus carrying out multi-value error diffusion process | Kazuhiro Ishiguro, Kaoru Tada | 2002-12-31 |
| 6433896 | Image processing apparatus | Kazuhiro Ueda, Nobuhiro Mishima, Daisetsu Tohyama | 2002-08-13 |
| 6292268 | Image processor and image processing method handling multilevel image data | Kaoru Tada, Kazuhiro Ishiguro | 2001-09-18 |