Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824932 | Development device, and process cartridge and image forming apparatus incorporating same | Takamasa Ozeki, Nobuyuki Taguchi, Yuuki Satoh, Toshiki Hayashi, Kyohta Koetsuka +4 more | 2014-09-02 |
| 8682230 | Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer | Nobuyuki Taguchi, Takamasa Ozeki, Yuuki Satoh, Toshiki Hayashi, Kyohta Koetsuka +4 more | 2014-03-25 |
| 8331834 | Developing unit, image forming apparatus incorporating same, and process cartridge including same | Kyohta Koetsuka, Masayuki Ohsawa, Yoshiyuki Takano, Yoshio Hattori, Yuji Suzuki +2 more | 2012-12-11 |
| 8326189 | Developing device, process cartridge, and image forming apparatus | Yoshiyuki Fukuda, Nobuyuki Taguchi, Yuuki Satoh, Yasufumi Takahashi, Keiichi Yoshida +4 more | 2012-12-04 |
| 8135315 | Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating same | Takamasa Ozeki, Yoshio Hattori, Hiroyuki Uenishi, Yuji Suzuki, Kyohta Koetsuka +5 more | 2012-03-13 |
| 7813680 | Developing device, and image forming apparatus and process cartridge comprising the same | Yoshio Hattori, Hiroyuki Uenishi, Yuji Suzuki, Takamasa Ozeki | 2010-10-12 |
| 7599650 | Developer bearing member, developing device, process cartridge and image forming apparatus | Shunji Katoh, Hideo Yoshizawa, Yoshio Hattori, Hideki Kimura, Kiyotaka Sakai +4 more | 2009-10-06 |
| 7457570 | Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrier | Tadashi Kasai, Hideki Kimura, Tsuyoshi Imanura, Hideo Yoshizawa, Kiyotaka Sakai | 2008-11-25 |
| 7272342 | Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus | Hiroyuki Nagashima, Kazuyuki Sugihara, Hideki Kimura, Kiyotaka Sakai, Kazuhisa Sudo +1 more | 2007-09-18 |
| 7228093 | Method and apparatus for image forming capable of performing a stable image development | Kiyotaka Sakai, Hideo Yoshizawa, Hideki Kimura, Tsuyoshi Imamura | 2007-06-05 |
| 7212773 | Image forming apparatus | Kazuhisa Sudo, Kazuyuki Sugihara, Hideo Yoshizawa, Hideki Kimura, Kiyotaka Sakai +1 more | 2007-05-01 |
| 7043182 | Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member | Kiyotaka Sakai, Kazuyuki Sugihara, Junichi Terai, Kazuhisa Sudo, Hiroyuki Nagashima +1 more | 2006-05-09 |
| 5946529 | Image forming apparatus using a roller type charging system | Masumi Sato, Toshiyuki Uchida, Masato Yokoyama, Takaya Muraishi | 1999-08-31 |
| 5878317 | Electrophotographic method and apparatus including a toner recycle feature | Takaya Muraishi, Masato Yokoyama, Masumi Sato, Toshiyuki Uchida | 1999-03-02 |
| D334771 | Toner cartridge | Takefumi Adachi, Hiroshi Ishii | 1993-04-13 |
| 4199958 | Chilling apparatus for broiler carcasses | Fumiaki Okada, Yoshihiro Nishioka | 1980-04-29 |