Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371578 | Sheet processing system, apparatus capable of reducing amount of positional error of conveyed sheet, and method of controlling sheet processing system | Naoki Ishikawa, Hitoshi Kato | 2013-02-12 |
| 8342067 | Punching apparatus | Hitoshi Kato, Naoki Ishikawa | 2013-01-01 |
| 8336869 | Sheet processing apparatus and image forming apparatus | Hitoshi Kato, Naoki Ishikawa, Tomoharu Sato | 2012-12-25 |
| 8272634 | Sheet feeding device, and image forming device | Tsuyoshi Moriyama, Yuzo Matsumoto | 2012-09-25 |
| 8262073 | Sheet processing apparatus | Hitoshi Kato, Naoki Ishikawa, Tomoharu Sato | 2012-09-11 |
| 8210514 | Sheet processing apparatus with improved productivity, image forming system and image forming apparatus | Hitoshi Kato, Naoki Ishikawa | 2012-07-03 |
| 8185039 | Sheet processing apparatus and image forming apparatus | Hitoshi Kato, Tsuyoshi Moriyama, Naoki Ishikawa | 2012-05-22 |
| 8181950 | Sheet processing apparatus having punching unit | Hitoshi Kato, Naoki Ishikawa | 2012-05-22 |
| 8162303 | Sheet processing apparatus and image forming apparatus | Hitoshi Kato, Naoki Ishikawa, Tomoharu Sato | 2012-04-24 |
| 8146907 | Sheet processing apparatus with improved productivity, image forming system and image forming apparatus | Hitoshi Kato, Naoki Ishikawa | 2012-04-03 |
| 8135493 | Sheet stacking apparatus, sheet processing apparatus and image forming apparatus | Takako Hanada, Kenichi Hayashi, Keiko Fujita, Toshiyuki Miyake, Takayuki Fujii | 2012-03-13 |
| 8091886 | Sheet conveying device and image forming apparatus | Hitoshi Kato, Naoki Ishikawa | 2012-01-10 |
| 8083220 | Sheet processing apparatus | Hitoshi Kato, Tsuyoshi Moriyama, Naoki Ishikawa | 2011-12-27 |
| 8066279 | Sheet conveyance apparatus | Naoki Ishikawa, Tsuyoshi Moriyama, Hitoshi Kato | 2011-11-29 |
| 7954818 | Sheet stacking apparatus and image forming apparatus | Tsuyoshi Moriyama, Hitoshi Kato, Naoki Ishikawa | 2011-06-07 |
| 7942409 | Sheet conveying apparatus and image forming apparatus | Naoki Ishikawa, Hitoshi Kato | 2011-05-17 |
| 7866652 | Sheet processing apparatus | Keiko Fujita, Daisaku Kamiya, Hideki Kushida, Takako Hanada, Takayuki Fujii +2 more | 2011-01-11 |
| 7823875 | Sheet feeding device, and image forming device | Tsuyoshi Moriyama, Yuzo Matsumoto | 2010-11-02 |
| 7802782 | Sheet processing apparatus and image forming system | Tsuyoshi Moriyama, Hitoshi Kato, Naoki Ishikawa | 2010-09-28 |
| 7784788 | Sheet stacking apparatus, sheet processing apparatus, and image forming apparatus | Hitoshi Kato, Naoki Ishikawa | 2010-08-31 |
| 7780158 | Post-processing apparatus, control method therefor, and post-processing system | Takayuki Fujii, Toshiyuki Miyake, Takako Hanada, Yusuke Obuchi, Atsuteru Oikawa | 2010-08-24 |
| 7766315 | Sheet stacking apparatus and method of controlling the sheet stacking apparatus | Naoki Ishikawa, Tsuyoshi Moriyama, Hitoshi Kato | 2010-08-03 |
| 7762536 | Sheet processing apparatus and image forming apparatus | Yushi Oka | 2010-07-27 |
| 7700895 | Sheet feeding apparatus | Shunichi Komatsu, Kunio Tsuruno, Yuzo Matsumoto | 2010-04-20 |
| 7680560 | Sheet stacking apparatus, sheet processing apparatus and image forming apparatus | Takako Hanada, Kenichi Hayashi, Keiko Fujita, Toshiyuki Miyake, Takayuki Fujii | 2010-03-16 |