Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8331834 | Developing unit, image forming apparatus incorporating same, and process cartridge including same | Kyohta Koetsuka, Masayuki Ohsawa, Yoshiyuki Takano, Katsumi Masuda, Yuji Suzuki +2 more | 2012-12-11 |
| 8326189 | Developing device, process cartridge, and image forming apparatus | Yoshiyuki Fukuda, Katsumi Masuda, Nobuyuki Taguchi, Yuuki Satoh, Yasufumi Takahashi +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, Katsumi Masuda, Hiroyuki Uenishi, Yuji Suzuki, Kyohta Koetsuka +5 more | 2012-03-13 |
| 8023855 | Development device, process cartridge, and image forming apparatus | Keiichi Yoshida, Hiroyuki Uenishi | 2011-09-20 |
| 7826786 | Image forming apparatus, lubricant applying device, transfer device, process cartridge, and toner | Takeo Suda, Shinichi Kawahara, Takatsugu Fujishiro, Tokuya Ojimi, Takeshi Tabuchi +15 more | 2010-11-02 |
| 7813680 | Developing device, and image forming apparatus and process cartridge comprising the same | Katsumi Masuda, Hiroyuki Uenishi, Yuji Suzuki, Takamasa Ozeki | 2010-10-12 |
| 7599650 | Developer bearing member, developing device, process cartridge and image forming apparatus | Shunji Katoh, Katsumi Masuda, Hideo Yoshizawa, Hideki Kimura, Kiyotaka Sakai +4 more | 2009-10-06 |
| 7542697 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2009-06-02 |
| 7542712 | Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridge | Shuji Tanaka, Shinichi Kawahara, Yoshiyuki Kimura, Hiroshi Hosokawa, Takeo Suda +11 more | 2009-06-02 |
| 7466945 | Toner container, toner replenishing device, developing device, process cartridge and image forming apparatus | — | 2008-12-16 |
| 7463845 | Charging device having a first and second pressure with a cleaning member, and process cartridge and image forming apparatus including the charging device | Takeo Suda, Shinichi Kawahara, Keiichi Yoshida, Shuji Tanaka | 2008-12-09 |
| 7463852 | Image forming apparatus having a developer conveying system and associated methodology | Keiichi Yoshida, Shinichi Kawahara, Takatsugu Fujishiro, Shuji Tanaka | 2008-12-09 |
| 7412191 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2008-08-12 |
| 7356290 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2008-04-08 |
| 7315723 | Method and apparatus for image forming capable of effectively transporting toner | Takeo Suda, Shinichi Kawahara, Keiichi Yoshida, Yutaka Takahashi | 2008-01-01 |
| 7209687 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2007-04-24 |
| 7209689 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2007-04-24 |
| 7162188 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2007-01-09 |
| 7158742 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2007-01-02 |
| 7130558 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-10-31 |
| 7130567 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2006-10-31 |
| 7110704 | Toner container and image forming apparatus using the same | Kazuhisa Sudo | 2006-09-19 |
| 7088945 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-08-08 |
| 7010249 | Toner agitating device and toner conveying device for an image forming apparatus | — | 2006-03-07 |
| 6917779 | Toner conveying device and image forming apparatus including the toner conveying device | Kohta Fujimori | 2005-07-12 |