Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10061226 | Image forming apparatus and image forming method | Kazuaki Kamihara, Yuuichiroh Uematsu, Tetsuya Muto, Tomohide Takenaka, Keita Sone +5 more | 2018-08-28 |
| 9989876 | Image forming apparatus and method for calculating a toner degradation rate | Mutsuki Morinaga, Tadashi Kasai, Jun Hitosugi, Takamasa Ozeki, Makoto Yasuda +6 more | 2018-06-05 |
| 9513574 | Image forming apparatus | Hiroyuki Sugiyama, Shigekazu Koguchi, Shinji Minami, Tomoko Takahashi, Yoshinori Nakagawa +2 more | 2016-12-06 |
| 9354588 | Image forming apparatus and image forming method that remove toner from a cleaning blade for an image bearer by inversely rotating the image bearer | Tomoko Takahashi, Taichi Urayama, Yasunobu Takagi, Hiroyuki Sugiyama, Yoshinori Nakagawa +3 more | 2016-05-31 |
| 9310714 | Image forming apparatus | Naoyuki Ozaki, Ryota Kidera, Hiroyuki Sugiyama, Ryusuke Mase, Tatsumi Yamada +2 more | 2016-04-12 |
| 9298125 | Image forming apparatus and image forming method | Hiroyuki Sugiyama, Takamasa Ozeki, Tomoko Takahashi, Yoshinori Nakagawa, Ryuji Yoshida +3 more | 2016-03-29 |
| 9285754 | Image forming apparatus | Kentaroh Nodera, Hiromichi Ninomiya, Takuma Iwasaki, Hajime Teraji, Daisuke Sawada | 2016-03-15 |
| 9250593 | Image forming apparatus and image density control method employed by the image forming apparatus | Ryusuke Mase, Taichi Urayama, Tomoko Takahashi, Shotaro Hoshi, Ryuji Yoshida +4 more | 2016-02-02 |
| 9244374 | Image forming apparatus | Hiroyuki Sugiyama, Ryoh Tanoue, Tomoko Takahashi, Yoshinori Nakagawa, Ryuji Yoshida +4 more | 2016-01-26 |
| 9091969 | Electrophotographic image forming apparatus | Ryuji Yoshida, Hideki Zemba, Yusuke Mitani, Shotaro Hoshi, Hiroaki Maeda | 2015-07-28 |
| 9042748 | Image forming apparatus | Taichi Urayama, Ryuji Yoshida, Tomoko Takahashi, Shotaro Hoshi, Hiroyuki Sugiyama +4 more | 2015-05-26 |
| 8655254 | Lubricant applicator, image forming apparatus, and method of mounting lubricant applicator | Yuji Arai, Ken Amemiya, Toshio Koike, Michiya Okamoto, Takuma Iwasaki +6 more | 2014-02-18 |
| 8565661 | Cleaning device including cleaning mechanism having noise reduction mechanism and image forming apparatus incorporating same | Michiya Okamoto, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono, Ken Amemiya +4 more | 2013-10-22 |
| 8391732 | Image forming device | Kenji Honjoh, Fumihito Itoh, Kaoru Yoshino, Takuma Iwasaki | 2013-03-05 |
| 8369770 | Collection container, cleaning unit, and image forming apparatus capable of collecting waste toner efficiently | Michiya Okamoto, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono, Ken Amemiya +4 more | 2013-02-05 |
| 8254823 | Waste toner storage unit and image forming apparatus using same | Hiroyuki Nagashima, Shuji Tanaka, Nobuo Kuwabara, Hiroshi Ono, Ken Amemiya +4 more | 2012-08-28 |
| 8185032 | Used toner collection device and image forming apparatus | Hiroshi Ono, Tokuya Ojimi, Shuji Tanaka, Ken Amemiya, Toshio Koike +4 more | 2012-05-22 |
| 8090293 | Process cartridge and image forming apparatus employing same | Yuji Arai, Hiroyuki Nagashima, Nobuo Kuwabara, Fumihito Itoh, Hiroshi Ono +8 more | 2012-01-03 |
| 8041280 | Lubricant applying device, process cartridge, and image forming apparatus | Toshio Koike, Hiroyuki Nagashima, Nobuo Kuwabara, Fumihito Itoh, Ken Amemiya +3 more | 2011-10-18 |
| 8027628 | Cleaning device, process cartridge, and image forming apparatus | Kazuhiko Watanabe, Osamu Naruse, Hidetosi Yano | 2011-09-27 |
| 7953363 | Lubricant applicator and image forming apparatus including same | Kenji Honjoh, Toshiya Satoh, Hiroyuki Nagashima, Fumihito Itoh, Hiroshi Ono +5 more | 2011-05-31 |
| 7844198 | Electrophotographic photoreceptor, photoreceptor supporting device, imaging device and process cartridge | Nobuo Kuwabara, Hiroyuki Nagashima, Shuji Tanaka, Hiroshi Ono, Ken Amemiya +3 more | 2010-11-30 |
| 7693475 | Lubricant supplying device, cleaning device, process cartridge, and image forming apparatus | Akira Fujimori | 2010-04-06 |
| 7620357 | Image forming apparatus with obtuse-edge cleaning blade | Osamu Naruse, Hidetoshi Yano, Kazuhiko Watanabe | 2009-11-17 |
| 7610008 | Cleaning device, and process unit and image forming apparatus including the cleaning device | Kazuhiko Watanabe, Osamu Naruse, Hidetoshi Yano | 2009-10-27 |