Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11402784 | Image forming apparatus and image formation method | Masashi Tachi, Tomohide Takenaka, Keita Sone | 2022-08-02 |
| 10599081 | Image forming apparatus and voltage application method | Masashi Tachi, Takuma Higa, Masayoshi Nakayama, Tomohide Takenaka, Yuichi Aizawa +2 more | 2020-03-24 |
| 10241462 | Image forming apparatus | Masayoshi Nakayama, Takuma Higa, Masashi Tachi, Kazuaki Kamihara, Yuichi Aizawa +2 more | 2019-03-26 |
| 9696654 | Image forming apparatus comprising image density detector and toner concentration detector | Masayoshi Nakayama, Takuma Higa, Hiroyuki Kunii, Kazuaki Kamihara, Yuichi Aizawa +2 more | 2017-07-04 |
| 9500978 | Image forming apparatus including electric charge removing device and method of forming image | Masayoshi Nakayama, Takuma Higa, Hiroyuki Kunil, Kazuaki Kamihara, Masakazu Terao +4 more | 2016-11-22 |
| 9488931 | Image forming apparatus | Makoto Yasuda, Jun Hitosugi, Takamasa Ozeki, Mutsuki Morinaga, Emiko Shiraishi +14 more | 2016-11-08 |
| 9304454 | Fixing device and image forming apparatus incorporating same | Takuya Suganuma, Jun Yura, Takeshi Uchitani, Hiroki Ishii, Hironobu Takeshita +1 more | 2016-04-05 |
| 9229399 | Image forming apparatus and method having a forcible toner consumption process | Kazuaki Kamihara, Toshihiro Sugiyama, Takuma Higa, Masayoshi Nakayama, Hiroyuki Kunii +1 more | 2016-01-05 |
| 9104159 | Image forming apparatus | Jun Shiori, Jun Yura, Yukiko Iwasaki, Hiroyuki Sugiyama, Kazuaki Kamihara +1 more | 2015-08-11 |
| 9025977 | Image forming apparatus | Hiroyuki Sugiyama, Jun Yura, Hironobu Takeshita, Takuya Suganuma, Takeshi Uchitani +1 more | 2015-05-05 |
| 8903256 | Image forming apparatus and image forming method used in the apparatus | Jun Shiori, Yukiko Iwasaki, Hiroyuki Sugiyama, Kazuaki Kamihara, Hironobu Takeshita | 2014-12-02 |
| 8849142 | Image forming device | Hiroyuki Sugiyama, Jun Yura, Tokuya Ohjimi, Yukiko Iwasaki, Jun Shiori +3 more | 2014-09-30 |
| 8737866 | Image forming apparatus including a controller to control a cooling device to cool the image forming apparatus | Jun Shiori, Jun Yura, Yukiko Iwasaki, Hiroyuki Sugiyama, Kazuaki Kamihara +1 more | 2014-05-27 |
| 8731417 | Image forming apparatus with temperature dependent control unit | Jun Shiori, Yukiko Iwasaki, Hiroyuki Sugiyama, Kazuaki Kamihara, Hironobu Takeshita | 2014-05-20 |
| 8655214 | Image forming apparatus for fixing a not-yet-fixed image | Hiroyuki Sugiyama, Jun Yura, Tokuya Ojimi, Yukiko Iwasaki, Jun Shiori +2 more | 2014-02-18 |
| 8649692 | Toner replenishing device capable of effectively softening toner and image forming apparatus with toner replenishing device | Tokuya Ohjimi | 2014-02-11 |
| 8180246 | Image forming apparatus | Shinichi Kawahara, Masumi Sato, Nobuyuki Koinuma, Kazuhisa Sudo, Tokuya Ojimi +4 more | 2012-05-15 |
| 8010005 | Image forming apparatus | Nobuyuki Koinuma, Kazuhisa Sudo, Kazuhiko Yuki, Hiroaki Takahashi, Takehide Mizutani +1 more | 2011-08-30 |