Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411452 | Image forming apparatus | Yuichiro Okawa, Kazuhiro Hosohara, Takeo Kawanami, Shinichi Nishida, Hiroyuki Munetsugu +4 more | 2025-09-09 |
| 11392071 | Image forming apparatus | Yasuhiro Fukase, Takeo Kawanami | 2022-07-19 |
| 11281147 | Driving device and image forming apparatus | Masaki Tanaka | 2022-03-22 |
| 10359718 | Image forming apparatus | Akinori Mitsumata, Takeo Kawanami | 2019-07-23 |
| 10025261 | Image forming apparatus | Tatsuya Suzuki, Yuichi Fukui | 2018-07-17 |
| 9989892 | Developer accommodating container with projected shaped portion for contacting toner seal member | Toshiaki Takeuchi, Takashi Kimura, Yoshiyuki Batori, Ryuta Murakami, Daisuke Makiguchi +1 more | 2018-06-05 |
| 9921525 | Image forming apparatus | Akinori Mitsumata, Takeo Kawanami | 2018-03-20 |
| 9891583 | Remanufacturing method of developer accommodating unit | Yuichi Fukui, Satoshi Nishiya, Jun Miura | 2018-02-13 |
| 9599951 | Roller, image forming apparatus and manufacturing method of cylindrical shaft | Yoichiro Iizuka | 2017-03-21 |
| 9599957 | Image forming apparatus | Tatsuya Suzuki, Yuichi Fukui | 2017-03-21 |
| 9575434 | Remanufacturing method of developer accommodating unit | Yuichi Fukui, Satoshi Nishiya, Jun Miura | 2017-02-21 |
| 9541863 | Developer accommodating unit, developing device, process catridge and electrophotographic image forming apparatus | Yosuke Kashiide, Yuichi Fukui | 2017-01-10 |
| 9523942 | Developer accommodating container, developing cartridge, process cartridge and image forming apparatus | Toshiaki Takeuchi, Takashi Kimura, Yoshiyuki Batori, Ryuta Murakami, Daisuke Makiguchi +1 more | 2016-12-20 |
| 9465318 | Developer accommodating container with toner seal member, unsealing member, and auxiliary unsealing member | Toshiaki Takeuchi, Takashi Kimura, Yoshiyuki Batori, Ryuta Murakami, Daisuke Makiguchi +1 more | 2016-10-11 |
| 9348264 | Unit, cleaning unit, process cartridge, and image forming apparatus | Yuichi Fukui, Hiroyuki Munetsugu, Toshiki Fujino, Tetsuya Numata, Fumito Nonaka | 2016-05-24 |
| 9250607 | Image forming apparatus and cartridge | Yuichi Fukui, Masaaki Sato | 2016-02-02 |
| 9206002 | Sheet feeding apparatus and image forming apparatus | Taku Fukita, Akira Kuroda, Yoshiyuki Yamazaki | 2015-12-08 |
| 9146526 | Unit, cleaning unit, process cartridge, and image forming apparatus | Yuichi Fukui, Hiroyuki Munetsugu, Toshiki Fujino, Tetsuya Numata, Fumito Nonaka | 2015-09-29 |
| 9121475 | Drive transmission apparatus and image forming apparatus | Akira Kuroda, Taku Fukita, Yoshiyuki Yamazaki | 2015-09-01 |
| 9122235 | Process cartridge and image forming apparatus with means to regulate movement of developing unit with respect to drum unit in axial direction of developing roller | Yuichi Fukui, Tatsuya Suzuki, Satoshi Nishiya, Masaaki Sato, Yosuke Kashiide | 2015-09-01 |
| 9052640 | Developer accommodating unit, developing device, process cartridge and electrophotographic image forming apparatus | Yosuke Kashiide, Yuichi Fukui | 2015-06-09 |
| 8550455 | Image forming apparatus with sheet discharge tray | — | 2013-10-08 |
| 8238786 | Electrophotographic image forming apparatus with openings for cartridge insertion and removal | Takao Nada, Tomoya Tateishi | 2012-08-07 |
| 8229338 | Image fixing apparatus | Hideo Nanataki, Kenji Takagi, Keisuke Mitsuhashi, Terutaka Endo | 2012-07-24 |
| 8210528 | Image forming apparatus with sheet discharge tray | — | 2012-07-03 |