Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379682 | Grease composition for heat fixing devices and heat fixing apparatus | Munehito Kurata, Hisashi Nakahara, Hirohiko Aiba, Daisuke Sato, Hideo Nanataki +4 more | 2025-08-05 |
| 12253814 | Fixing device and image forming apparatus | Toru Imaizumi, Shoichiro Ikegami, Yuki Oshima | 2025-03-18 |
| 12072650 | Image heating device and image forming apparatus | Toru Imaizumi | 2024-08-27 |
| 11841658 | Fixing apparatus with a detection element disposed in a hole portion of a heater holder member and image forming apparatus | Toru Imaizumi, Koji Yasui, Yosuke Naito | 2023-12-12 |
| 11300903 | Image forming apparatus, image forming method, and computer readable recording medium for recording program that determines a fixing portion target temperature based on presence or absence of an image with a specific characteristic | — | 2022-04-12 |
| 10444673 | Guide member and image forming apparatus comprising the same | Kenji Shindo, Shinsuke Kobayashi, Kohei Okayasu, Takehiko Suzuki | 2019-10-15 |
| 10386755 | Image forming apparatus including cleaning operation | Shinsuke Kobayashi, Kenji Shindo, Kohei Okayasu, Hiroki Sasame | 2019-08-20 |
| 10216112 | Image forming apparatus | Hiroki Sasame, Kohei Okayasu, Shinsuke Kobayashi, Kenji Shindo, Takehiko Suzuki +1 more | 2019-02-26 |
| 10120308 | Image heating device | Masashi Tanaka, Kensuke Umeda, Shoichiro Ikegami, Sho Taguchi, Ai Suzuki | 2018-11-06 |
| 10073383 | Image forming apparatus including cleaning operation | Shinsuke Kobayashi, Kenji Shindo, Kohei Okayasu, Hiroki Sasame | 2018-09-11 |
| 10025236 | Transfer roller and image forming apparatus | Hiroki Sasame, Shinsuke Kobayashi, Kohei Okayasu, Kenji Shindo | 2018-07-17 |
| 9946216 | Image forming apparatus | Kohei Okayasu, Shinsuke Kobayashi, Kenji Shindo, Hiroki Sasame, Takuya Hayato | 2018-04-17 |
| 9335688 | Image forming apparatus | Takanori Mitani, Satoshi Nishida, Hideo Nanataki, Akimichi Suzuki, Shogo Kan +1 more | 2016-05-10 |
| 9213276 | Image forming apparatus | Takanori Mitani, Satoshi Nishida, Hideo Nanataki, Akimichi Suzuki, Shogo Kan +1 more | 2015-12-15 |
| 9213273 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Shigeru Hoashi, Kenji Kanari, Seiji Saito +5 more | 2015-12-15 |
| 9086660 | Image forming apparatus with modified transfer brush | Kenichi Ogawa, Koji An | 2015-07-21 |
| 8886099 | Heating apparatus | Akihito Kanamori, Isamu Takeda | 2014-11-11 |
| 8862039 | Image forming apparatus | Tsuguhiro Yoshida, Akihiko Uchiyama, Hiroyuki Munetsugu, Toshihiko Takayama, Yuya Kojima | 2014-10-14 |
| 8831493 | Image heating apparatus | Masashi Tanaka, Kenichi Ogawa, Satoshi Nishida, Kohei Okayasu, Shuichi Tetsuno +1 more | 2014-09-09 |
| 8750772 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Shigeru Hoashi, Kenji Kanari, Seiji Saito +5 more | 2014-06-10 |
| 8532551 | Image forming apparatus | Shuichi Tetsuno, Kenichi Ogawa, Masashi Tanaka, Shogo Kan | 2013-09-10 |
| 8532532 | Image forming apparatus having a controllable drive coupling | Masaru Shimura, Michio Uchida, Ken Nakagawa, Seiji Saito, Kenji Kanari +6 more | 2013-09-10 |
| 8472853 | Image forming apparatus | Shuichi Tetsuno, Masashi Tanaka, Shogo Kan, Kenichi Ogawa | 2013-06-25 |
| 8437670 | Image forming apparatus | Shinji Katagiri, Masaru Shimura, Ken Nakagawa, Takamitsu Soda, Kazuhiro Doda | 2013-05-07 |
| 8238807 | Image forming apparatus | Kazuhiro Doda, Masaru Shimura, Shigeru Hoashi, Kenji Kanari, Seiji Saito +5 more | 2012-08-07 |