Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11063183 | Light emitting element | Keiji Emura, Shun KITAHAMA | 2021-07-13 |
| 9139106 | Method of controlling electric vehicle | Dai Saitoh, Masanobu Asakawa | 2015-09-22 |
| 8971769 | Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area | Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa, Hiroaki Okamoto | 2015-03-03 |
| 8765087 | Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor | Katsuhiko Takagi, Hitoshi Saima, Yasuhiro Mogi | 2014-07-01 |
| 8750752 | Development device including a removable seal to seal a supplied-developer and/or a collected-developer communicating area | Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa, Hiroaki Okamoto | 2014-06-10 |
| 8649714 | Development device, process cartridge, and image forming apparatus including same | Norio Kudo, Hiroshi Hosokawa, Yoshihiro Fujiwara, Hiroaki Okamoto | 2014-02-11 |
| 8571449 | Development device, process cartridge, and image forming apparatus | Norio Kudo, Yoshihiro Fujiwara, Tsukuru Kai, Hiroshi Hosokawa, Hiroaki Okamoto | 2013-10-29 |
| 8536385 | Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanol | Keiichi Okuyama, Yotaro Ohno, Takashi Ogawa, Seiji Aoki, Tsutomu Shikada +4 more | 2013-09-17 |
| 8433224 | Development device, process cartridge including same, and image forming apparatus including same | Yoshihiro Fujiwara, Hiroshi Hosokawa, Norio Kudo, Hiroaki Okamoto | 2013-04-30 |
| 8326180 | Development device, process cartridge, and image forming apparatus | Yoshihiro Fujiwara, Takuya Seshita, Norio Kudo | 2012-12-04 |
| 8326184 | Development device and image forming apparatus | Norio Kudo, Hiroshi Hosokawa, Yoshihiro Fujiwara, Hiroaki Okamoto | 2012-12-04 |
| 8238801 | Developing device, process cartridge, method and image forming apparatus for developing an electrostatic latent image on an image carrier | Yoshihiro Fujiwara, Takuya Seshita, Norio Kudo | 2012-08-07 |
| 8135314 | Developing device, process cartridge, and image forming apparatus, method of developing latent image | Hisashi Kikuchi, Norio Kudo, Nobuo Iwata, Tsukuru Kai | 2012-03-13 |
| 7995954 | Developing device and image forming apparatus including same which includes a supply path and a recovery path | Norio Kudo, Hisashi Kikuchi, Nobuo Iwata, Tsukuru Kai | 2011-08-09 |
| 7877047 | Developing device, process cartridge and image forming apparatus to inhibit the increase of the rate of uncharged toner during prolonged operation | — | 2011-01-25 |
| 7769326 | Developing device, process cartridge, and image forming apparatus | — | 2010-08-03 |
| 7599649 | Development device and process cartridge including development device | — | 2009-10-06 |
| 7536141 | Developing device, process cartridge and image forming apparatus | — | 2009-05-19 |
| 7480475 | Developing device, and image forming apparatus and process cartridge using the developing device | Hajime Oyama, Katsuhiro Aoki, Hiroshi Ikeguchi, Daichi Yamaguchi | 2009-01-20 |
| 7209685 | Developing device, image forming apparatus and process cartridge including replenishment openings | Hajime Oyama, Katsuhiro Aoki, Hiromitsu Takagaki, Hiroshi Ikeguchi | 2007-04-24 |
| 7191037 | Method for controlling production process | Toshiharu Mitani, Masami Tsuruoka | 2007-03-13 |
| 7181155 | Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge | Katsuhiro Aoki, Hajime Oyama, Hiroshi Ikeguchi, Hiromitsu Takagaki | 2007-02-20 |
| 7035575 | Developing device, image forming apparatus, and process cartridge | Hiroshi Ikeguchi, Katsuhiro Aoki, Hajime Oyama, Daichi Yamaguchi | 2006-04-25 |
| 6901233 | Image forming apparatus | Katsuhiro Aoki, Tsukuru Kai, Hajime Oyama, Osamu Ariizumi, Hisashi Shoji +1 more | 2005-05-31 |
| 6721516 | Image forming apparatus | Katsuhiro Aoki, Tsukuru Kai, Hajime Oyama, Osamu Ariizumi, Hisashi Shoji +1 more | 2004-04-13 |