Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851850 | Data collection device of work machine, data providing system for work machine, and data collection method of work machine | Naoki Akiyama, Hirotaka Yuno | 2023-12-26 |
| 11066263 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe, Toshihiro Okamoto +2 more | 2021-07-20 |
| 10875728 | Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device | Hiromichi Matsuda, Tetsuo Watanabe, Katsuaki Miyawaki, Hideyuki Takayama | 2020-12-29 |
| 10730713 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Hideyuki Takayama | 2020-08-04 |
| 10584008 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Hideyuki Takayama | 2020-03-10 |
| 10530950 | Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device | Takeshi Watanabe, Tetsuo Watanabe, Katsuaki Miyawaki, Hiromichi Matsuda, Hideyuki Takayama +1 more | 2020-01-07 |
| 10392213 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Tetsuo Watanabe, Hideyuki Takayama | 2019-08-27 |
| 10358311 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe, Toshihiro Okamoto +2 more | 2019-07-23 |
| 10358309 | Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying device | Hiromichi Matsuda, Tetsuo Watanabe, Katsuaki Miyawaki, Hideyuki Takayama | 2019-07-23 |
| 10104252 | Image reading device, image forming apparatus and method using the image reading device employing movable guide plate holding the medium and shading correction plate | Tetsuo Watanabe, Hideyuki Takayama, Katsuaki Miyawaki, Hiromichi Matsuda, Atsuyuki Oyamada +1 more | 2018-10-16 |
| 9776819 | Sheet conveying device and image forming apparatus incorporating the sheet conveying device | Hiromichi Matsuda, Katsuaki Miyawaki, Koichi Kudo, Tetsuo Watanabe, Toshihiro Okamoto +2 more | 2017-10-03 |
| 9699930 | Electric device system | Kazuyoshi Miura, Yoshimi Azuma, Shinya Iwasaki, Taisuke Yamada, Motoyuki Tomizu | 2017-07-04 |
| 9658578 | Transfer device and image forming apparatus | Hiromichi Matsuda, Kimiharu Yamazaki, Takafumi Seki | 2017-05-23 |
| 9188924 | Image forming apparatus and image forming method | Satoshi Kaneko, Shinji Kato, Hitoshi Ishibashi, Shuji Hirai, Koichi Kudo +1 more | 2015-11-17 |
| 9182720 | Image forming apparatus capable of reducing image density irregularity | Satoshi Kaneko, Shinji Kato, Hitoshi Ishibashi, Shuji Hirai, Koichi Kudo +1 more | 2015-11-10 |
| 9136614 | Conductor connection tool and relay unit using the same | Naoya Sasano, Makoto Sato, Motoyuki Tomizu, Shinya Iwasaki, Naoki Ueno | 2015-09-15 |
| 9052663 | Image forming apparatus | Shingo Suzuki, Satoshi Kaneko, Shuji Hirai, Koichi Kudo, Shinji Kato | 2015-06-09 |
| 9046850 | Image forming apparatus capable of reducing image density irregularity | Shuji Hirai, Satoshi Kaneko, Shinji Kato, Koichi Kudo, Shingo Suzuki | 2015-06-02 |
| 8977148 | Image forming apparatus and image forming method | Satoshi Kaneko, Koichi Kudo, Shinji Kato, Hitoshi Ishibashi, Shuji Hirai +1 more | 2015-03-10 |
| 8948621 | Management apparatus, image forming apparatus maintenance system including the same, and management method | Mikiko Imazeki, Yasushi Nakazato, Akira Takehisa | 2015-02-03 |
| 8843004 | Image forming apparatus | Osamu Satoh, Yasushi Nakazato, Kohji Ue | 2014-09-23 |
| 8831449 | Image forming apparatus capable of optimally performing density fluctuation correction | Shingo Suzuki, Satoshi Kaneko, Koichi Kudo, Shuji Hirai, Shinji Kato | 2014-09-09 |
| 8768186 | Apparatus, system, and method of predicting failure of image forming apparatus | Mikiko Imazeki, Yasushi Nakazato, Osamu Satoh, Masahide Yamashita, Kohji Ue | 2014-07-01 |
| 8724175 | Halftone correction device and method, and image forming apparatus using the halftone correction device and method | — | 2014-05-13 |
| 8531696 | Management apparatus, management system, and management method | Masaichi Sawada, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Osamu Satoh +1 more | 2013-09-10 |