Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10175590 | Electrophotographic photosensitive body and image forming apparatus provided with same | Maki Ike, Ai Takagami, Masaki Kadota, Takahiko Murata | 2019-01-08 |
| 9618871 | Image forming apparatus | Takahiko Murata, Masaki Kadota, Ai Takagami, Maki Ike | 2017-04-11 |
| 9507287 | Image forming apparatus with charging member that electrostatically charges image carrier | Ai Takagami, Masaki Kadota, Takahiko Murata, Maki Ike | 2016-11-29 |
| 9317011 | Toner collecting device for image forming apparatus | — | 2016-04-19 |
| 8909107 | Toner dispersing mechanism, developing device including the toner dispersing mechanism, and image forming apparatus | Asami Sasaki | 2014-12-09 |
| 8682228 | Developer apparatus and image forming apparatus comprising the same | Masashi Fujishima, Yukihiro Mori | 2014-03-25 |
| 8190072 | Developing device and image forming apparatus having the same | Minoru Wada, Taisuke Nagao, Seishi Ojima | 2012-05-29 |
| 7920799 | Image forming apparatus for controlling replenishing toner into developing device | Minoru Wada, Eiji Gyoutoku, Kenichi Kasama | 2011-04-05 |
| 7756452 | Developing device with structure configured to regulate distance between developing roller and regulating member for developer layer and image forming apparatus with the developing device | Masanobu Maeshima, Yoshihiro Yamagishi | 2010-07-13 |
| 7555230 | Image forming apparatus that generates a different light pattern for different development apparatuses | Hidetoshi Miyamoto, Hideya Muramoto, Minoru Wada, Eiji Gyoutoku | 2009-06-30 |
| 7346307 | Amorphous and spherical toner cleaning unit and image forming apparatus loading the same | Mitsunobu Honda, Minoru Wada, Eiji Gyoutoku | 2008-03-18 |
| 7340205 | Full-color electrophotographic image forming apparatus | Taisuke Nagao, Eiji Gyoutoku | 2008-03-04 |
| 6562537 | Electrostatic latent image developer | Yuji Kamiyama, Noriaki Sakamoto, Yoshio Ozawa | 2003-05-13 |
| 6381437 | Image formation method and apparatus using electrophotography | Yoshio Ozawa, Yojiro Sato, Yuji Kamiyama, Motoki Moriguchi | 2002-04-30 |
| 6284421 | Carrier for electrophotography, process for production of the carrier and developing agent for electrophotography using the carrier | Shigeo Matsuzaki, Yuji Kamiyama | 2001-09-04 |
| 6197465 | Carrier for electrophotography and developer for electrophotography using the carrier | Shigeo Matsuzaki, Takashi Arakane, Kazuo Murakata, Susumu Kikuchi, Yuji Kamiyama | 2001-03-06 |
| 6077637 | Magnetic carrier developer comprising the carrier for developing latent electrostatic images electrophotographic photoconductor and image formation method using the same | Yasuo Nishiguchi, Susumu Kikuchi, Yoshio Ozawa | 2000-06-20 |
| 6029034 | Image forming apparatus having an .alpha.-Si photosensitive drum and a non-magnetic uni-component toner | Keiji Itsukushima, Yoshio Ozawa, Yojiro Sato | 2000-02-22 |
| 5981127 | Magnetic carrier and developer comprising the carrier for developing latent electro-static images | Yasuo Nishiguchi, Susumu Kikuchi, Yoshio Ozawa | 1999-11-09 |
| 5952101 | Granular charging agent and charging method and image forming method using the same | Yasuo Nishiguchi, Yoshio Ozawa, Susumu Kikuchi, Shigeki Tsukahara, Shinji Yamane | 1999-09-14 |
| 5633107 | Developer for developing latent electrostatic images and method of forming images by using the developer | Yoshio Ozawa, Ryushi Imoo, Satoshi Nishida | 1997-05-27 |
| 5581291 | Rear side exposure type electrographic image forming apparatus | Yasuo Nishiguchi, Shunji Murano, Masayuki Tone | 1996-12-03 |
| 5554477 | Developer for developing latent electrostatic images | Yoshio Ozawa, Ryushi Imoo, Satoshi Nishida | 1996-09-10 |
| 5483272 | Image forming apparatus and method for obtaining smooth charging, exposure and development | Ryushi Imoo, Hidemasa Aiba, Akira Satoh, Masahiro Nagata, Hiroyoshi Tode | 1996-01-09 |