Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112734 | Belt device, belt regulator, roller unit, and image forming apparatus | Naohiro Kumagai, Masanari Fujita, Katsuya Kawagoe, Hiroki Nakamatsu, Yoshiki Hozumi | 2021-09-07 |
| 10955771 | Belt control device and image forming apparatus incorporating same | Naohiro Kumagai, Masanari Fujita, Katsuya Kawagoe, Hiroki Nakamatsu, Yoshiki Hozumi | 2021-03-23 |
| 9897946 | Roller member including a first and second high resistance member and image forming apparatus including the roller member | Masakazu Imai, Tsutomu Kato, Katsuhito Haruno, Osamu Ichihashi, Tatsuya Ohsugi | 2018-02-20 |
| 9708143 | Belt device and image forming apparatus including same | Yoshiki Hozumi, Naoki Iwaya, Yasufumi Takahashi, Naomi Sugimoto, Kazuchika Saeki | 2017-07-18 |
| 9599934 | Image forming apparatus having an angle adjuster for a tiltable support roller | Yoshiki Hozumi, Naomi Sugimoto, Kazuchika Saeki, Yasufumi Takahashi, Naoki Iwaya | 2017-03-21 |
| 9499361 | Belt conveyor unit and image forming apparatus including same | Naoki Iwaya, Yoshiki Hozumi, Yasufumi Takahashi | 2016-11-22 |
| 9417565 | Conveyor system and image forming apparatus including same | Yoshiki Hozumi, Naoki Iwaya, Yasufumi Takahashi, Naomi Sugimoto, Kazuchika Saeki | 2016-08-16 |
| 9395656 | Transfer unit and image forming apparatus employing the transfer unit | Katsuhito Haruno, Takuya Sekine, Ryoh Tanoue, Masakazu Imai | 2016-07-19 |
| 9291952 | Belt assembly and image forming apparatus including same | Yoshiki Hozumi, Naoki Iwaya, Yasufumi Takahashi, Naomi Sugimoto, Kazuchika Saeki | 2016-03-22 |
| 9250575 | Belt assembly and image forming apparatus including same | Yoshiki Hozumi, Naomi Sugimoto, Naoki Iwaya, Yasufumi Takahashi, Kazuchika Saeki | 2016-02-02 |
| 9104162 | Conveyor system and image forming apparatus including same | Yoshiki Hozumi, Naoki Iwaya, Yasufumi Takahashi, Naomi Sugimoto, Kazuchika Saeki | 2015-08-11 |
| 8970858 | Operator guidance system and image forming apparatus incorporating same | Mami Akiyama, Yasuhiro Sagawa, Manabu Izumikawa, Mikio Ishibashi, Yoshio Hattori +3 more | 2015-03-03 |
| 8768200 | Transfer unit and image forming apparatus employing the transfer unit | Katsuhito Haruno, Takuya Sekine, Ryoh Tanoue, Masakazu Imai | 2014-07-01 |
| 8422897 | Image forming apparatus | Hirokatsu Suzuki, Kazuhisa Sudo, Masanori Kawasumi, Shunichi Hashimoto, Mugijirou Uno +6 more | 2013-04-16 |
| 8385793 | Image forming apparatus preventing gaps between a conveyor belt and transfer sheet | Masahiko Satoh, Masanori Kawasumi, Hirokatsu Suzuki, Hirohmi Tamura, Kazuya Saitoh +6 more | 2013-02-26 |
| 8306469 | Cleaning apparatus for removing toner adhered onto endless belt | Yoshiyuki Kimura, Hiroshi Ishii, Ryuta Takeichi | 2012-11-06 |
| 8270875 | Image forming apparatus | Junpei Fujita, Toshitaka Yamaguchi, Ryoh Tanoue, Takuya Sekine, Katsuhito Haruno | 2012-09-18 |
| 8238790 | Image forming apparatus with improved housing panel structural strength | Takuya Sekine, Masakazu Imai, Katsuhito Haruno | 2012-08-07 |
| 8175479 | Transfer device and image forming apparatus having first and second transfer nips and first and second contacting members which apply transfer biases | Kazuchika Saeki, Toshitaka Yamaguchi, Takahiro Nakayama, Takuya Sekine | 2012-05-08 |
| 8086155 | Transfer device and image forming apparatus including same | Toshitaka Yamaguchi, Kazuchika Saeki, Takuya Sekine | 2011-12-27 |
| 8041282 | Powder container, cleaning device, and image forming apparatus | Katsuhito Haruno, Takuya Sekine, Masakazu Imai | 2011-10-18 |
| 7979000 | Transfer unit and image forming apparatus | Takuya Sekina, Katsuhito Haruno, Masakazu Imai | 2011-07-12 |
| 7929877 | Transfer device and image forming apparatus having at least two contacting members applied with corresponding transfer biases | Kazuchika Saeki, Toshitaka Yamaguchi, Takahiro Nakayama, Takuya Sekine | 2011-04-19 |
| 7881636 | Belt driving device and image forming apparatus | Takuya Sekine | 2011-02-01 |
| 7813683 | Belt detaching device and image forming apparatus including belt detaching device | Kazuchika Saeki, Toshitaka Yamaguchi, Takahiro Nakayama, Takuya Sekine | 2010-10-12 |