Issued Patents All Time
Showing 1–25 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031463 | Belt device, belt control device, and image forming apparatus including same | Yoshiki Hozumi, Naomi Sugimoto | 2018-07-24 |
| 10031466 | Cleaning blade, image forming apparatus, and process cartridge | Kazuhiko Watanabe, Takaaki Tawada, Eisuke Shimizu, Yuu Sakakibara | 2018-07-24 |
| 9977396 | Blade and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada | 2018-05-22 |
| 9529317 | Blade and image forming apparatus incorporating same | Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada | 2016-12-27 |
| 9436117 | Image forming apparatus configured to modify a reference voltage correction amount | Kazuhiko Watanabe, Takaaki Tawada, Eisuke Shimizu | 2016-09-06 |
| 9329519 | Charging roller, charging device and image forming apparatus incorporating same, and method of calculating resistance of charging roller | Kazuhiko Watanabe, Takaaki Tawada, Eisuke Shimizu | 2016-05-03 |
| 9310750 | Image forming apparatus and process cartridge therefor | Takatsugu Fujishiro, Kazuhiko Watanabe, Takaaki Tawada, Naomi Sugimoto, Yuu Sakakibara | 2016-04-12 |
| 9310751 | Blade member, image forming apparatus and process cartridge | Eisuke Shimizu, Kazuhiko Watanabe, Takaaki Tawada | 2016-04-12 |
| 9170557 | Cleaning blade, image forming apparatus, and process cartridge | Kazuhiko Watanabe, Takaaki Tawada, Takatsugu Fujishiro | 2015-10-27 |
| 9081353 | Cleaner, and process cartridge and image forming apparatus using the cleaner | Takaaki Tawada, Takatsugu Fujishiro, Kazuhiko Watanabe, Naomi Sugimoto, Yuu Sakakibara | 2015-07-14 |
| 8948647 | Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polarities | Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yoshiki Hozumi | 2015-02-03 |
| 8731431 | Belt device and image forming apparatus incorporating same having a cleaning device which cleans utilizing different polarities | Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yoshiki Hozumi | 2014-05-20 |
| 8699908 | Cleaning device and image forming apparatus including same | Takaya Muraishi, Kenji Sugiura, Akira Asaoka, Yoshiki Hozumi, Yuu Sakakibara | 2014-04-15 |
| 8699898 | Apparatus and method for changing a voltage setting for an image forming apparatus | Takaya Muraishi, Kenji Sugiura, Akira Asaoka, Yoshiki Hozumi, Yuu Sakakibara | 2014-04-15 |
| 8682208 | Cleaning device, image forming apparatus including same, and method for mounting same | Akira Asaoka, Takaya Muraishi, Kenji Sugiura, Yoshiki Hozumi, Yuu Sakakibara | 2014-03-25 |
| 8600256 | Cleaning device and image forming apparatus including same | Yuu Sakakibara, Kenji Sugiura, Naomi Sugimoto, Yoshiki Hozumi, Osamu Naruse | 2013-12-03 |
| 8548350 | Cleaning device and image forming apparatus | Yoshiki Hozumi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yuu Sakakibara | 2013-10-01 |
| 8515323 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more | 2013-08-20 |
| 8483605 | Cleaning device and image forming apparatus including same | Akira Asaoka, Takaya Muraishi, Kenji Sugiura, Yoshiki Hozumi, Yuu Sakakibara | 2013-07-09 |
| 8437657 | Cleaning apparatus and image forming apparatus | Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yoshiki Hozumi, Yuu Sakakibara | 2013-05-07 |
| 8433213 | Cleaning device and image forming apparatus | Yoshiki Hozumi, Kenji Sugiura, Osamu Naruse, Naomi Sugimoto, Yuu Sakakibara | 2013-04-30 |
| 8135314 | Developing device, process cartridge, and image forming apparatus, method of developing latent image | Yasuo Miyoshi, Norio Kudo, Nobuo Iwata, Tsukuru Kai | 2012-03-13 |
| 7995954 | Developing device and image forming apparatus including same which includes a supply path and a recovery path | Norio Kudo, Yasuo Miyoshi, Nobuo Iwata, Tsukuru Kai | 2011-08-09 |
| 7738827 | Image forming apparatus with toner image fixing unit, and the fixing method thereof | Yukimichi Someya, Takashi Fujita, Katsuhiro Echigo, Shigeo Kurotaka, Toshihiko Baba +2 more | 2010-06-15 |
| 7693471 | Sheet wrapping avoidable fixing apparatus and image forming apparatus | Shigeo Kurotaka, Kiyoshi Ohshima, Takashi Fujita, Toshihiko Baba, Atsushi Nakafuji +4 more | 2010-04-06 |