Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852689 | Powder container and image forming apparatus | Nobuo Takami, Ryoichi Teranishi, Junichi Matsumoto, Toshio Koike, Yutaka Takahashi +4 more | 2020-12-01 |
| 10635043 | Powder container and image forming apparatus | Nobuo Takami, Ryoichi Teranishi, Junichi Matsumoto, Toshio Koike, Yutaka Takahashi +4 more | 2020-04-28 |
| 10394186 | Powder container and image forming apparatus | Nobuo Takami, Ryoichi Teranishi, Junichi Matsumoto, Toshio Koike, Yutaka Takahashi +4 more | 2019-08-27 |
| 10203650 | Powder container and image forming apparatus | Nobuo Takami, Ryoichi Teranishi, Junichi Matsumoto, Toshio Koike, Yutaka Takahashi +4 more | 2019-02-12 |
| 10048644 | Powder container and image forming apparatus | Nobuo Takami, Ryoichi Teranishi, Junichi Matsumoto, Toshio Koike, Yutaka Takahashi +4 more | 2018-08-14 |
| 9547257 | Developer pump with restricted detection time and image forming device | Junichi Matsumoto, Nobuo Takami, Yutaka Takahashi, Kentaro Mikuniya, Keinosuke Kondoh +2 more | 2017-01-17 |
| 9285714 | Developing device and image forming apparatus and process cartridge incorporating same | Keinosuke Kondoh, Yutaka Takahashi, Kentaro Mikuniya, Toshio Koike, Emiko Shiraishi | 2016-03-15 |
| 9229361 | Developer conveyance device, image forming apparatus, and developer conveyance method | Junichi Matsumoto, Nobuo Takami, Yutaka Takahashi, Kentaro Mikuniya, Keinosuke Kondoh +1 more | 2016-01-05 |
| 9182704 | Developer conveyance device and image forming apparatus having a pump to move the developer in a relationship with the developer contained in a reservoir | Junichi Matsumoto, Nobuo Takami, Yutaka Takahashi, Kentaro Mikuniya | 2015-11-10 |
| 9176431 | Developing device and image forming apparatus and process cartridge incorporating same | Toshio Koike, Yutaka Takahashi, Yuichi Aizawa, Keinosuke Kondoh, Kentaro Mikuniya | 2015-11-03 |
| 9176425 | Developer replenishing device to transport developer from developer container, image forming apparatus including same, and conveyance device to transport powder or fluid from container | Nobuo Takami, Junichi Matsumoto, Yutaka Takahashi, Kentaro Mikuniya | 2015-11-03 |
| 9109633 | Driving force transmission mechanism and image forming apparatus | Hideo Yoshizawa, Takuzi Yoneda, Yutaka Takahashi, Emi Kita, Yuki Oshikawa +1 more | 2015-08-18 |
| 8923726 | Image forming apparatus incorporating developing device with first and second seals | Hideo Yoshizawa, Kohichi Utsunomiya, Takuzi Yoneda, Yutaka Takahashi, Emi Kita +1 more | 2014-12-30 |
| 8843019 | Development device and image forming apparatus incorporating same | Hideo Yoshizawa, Takuzi Yoneda, Emi Kita, Yutaka Takahashi, Yuki Oshikawa +1 more | 2014-09-23 |
| 8843015 | Imaging device, image forming apparatus, and process cartridge | Kohichi Utsunomiya, Hideo Yoshizawa, Takuzi Yoneda, Emi Kita, Yutaka Takahashi +1 more | 2014-09-23 |
| 8295737 | Developing device and image forming apparatus using same | Junichi Terai, Keiko Matsumoto, Kentaroh Tomita, Kohichi Utsunomiya | 2012-10-23 |
| 8195070 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more | 2012-06-05 |
| 8145101 | Developing device, image forming apparatus and process cartridge in which a shock is applied intermittently to the discharged developer | Junichi Terai, Koichi Kato, Koichi Sakata, Maiko Koeda, Kentaroh Tomita | 2012-03-27 |
| 8135311 | Developing unit having effective developer transportability, and process cartridge and image forming apparatus using the same | Hiroya Hirose, Satoru Yoshida | 2012-03-13 |
| 8086146 | Image forming method and apparatus for effectively supplying developer | Mugijirou Uno, Hiroyuki Okaji | 2011-12-27 |
| 8068770 | Toner cartridge, image forming apparatus, method of recycling toner cartridge | Takeroh Kurenuma, Fumio Ogata, Seiji Terazawa, Masayuki Yamane, Kenzo Tatsumi +4 more | 2011-11-29 |
| 8036575 | Development device, image forming apparatus, and process cartridge having compact structure for discharging developer | — | 2011-10-11 |
| 8010020 | Developing device and image forming apparatus equipped with the same | Emi Kita, Koichi Kato, Yuki Oshikawa, Susumu Tateyama, Yoshitaka Fujinuma | 2011-08-30 |
| 8005406 | Developer container, developer supplying device, and image forming apparatus | Hiroshi Hosokawa, Satoshi Narumi, Ryuta Takeichi, Yuji Arai, Masanori Kawasumi +7 more | 2011-08-23 |
| 7991330 | Developing unit including developer conveyance system having supply path, recovery path, and agitation path, process cartridge including developing unit, and image forming apparatus including process cartridge | Yuki Oshikawa, Koichi Kato, Hiroyuki Okaji, Mugijirou Uno, Emi Kita +1 more | 2011-08-02 |