Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7412191 | Toner container and image forming apparatus using the same | Yoshio Hattori | 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 |
| 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, Katsumi Masuda, Hideki Kimura, Kiyotaka Sakai +1 more | 2007-09-18 |
| 7212773 | Image forming apparatus | Kazuyuki Sugihara, Hideo Yoshizawa, Katsumi Masuda, Hideki Kimura, Kiyotaka Sakai +1 more | 2007-05-01 |
| 7209687 | Toner container and image forming apparatus using the same | Yoshio Hattori | 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 |
| 7184691 | Toner container, toner supply device and image forming apparatus | Emi Kita, Takeroh Kurenuma, Kiyonori Tsuda, Masayuki Yamane, Nobuyuki Taguchi +5 more | 2007-02-27 |
| 7162188 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2007-01-09 |
| 7158742 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2007-01-02 |
| 7130567 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2006-10-31 |
| 7130558 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-10-31 |
| 7110704 | Toner container and image forming apparatus using the same | Yoshio Hattori | 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 |
| 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, Katsumi Masuda, Hiroyuki Nagashima +1 more | 2006-05-09 |
| 6826381 | Image formation device and agent supplying device including absorber conveying by negative pressure | Satoshi Muramatsu, Hideo Yoshizawa, Hideki Kimura, Yoshio Hattori, Junichi Matsumoto | 2004-11-30 |
| 6813460 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2004-11-02 |
| 6775503 | Image forming apparatus with improved capabilities for toner supply | Yoshio Hattori, Takaaki Yanagisawa | 2004-08-10 |
| 6665508 | Toner container and image forming apparatus using the same | Yoshio Hattori | 2003-12-16 |
| 6628908 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2003-09-30 |
| 6591077 | Image forming apparatus and toner container therefor | Takaaki Yanagisawa, Tomotoshi Nakahara, Masumi Sato, Yoshio Hattori, Kouta Fujimori | 2003-07-08 |
| 6522855 | Image forming apparatus and developing apparatus preventing uneven image density | Shunji Katoh, Hideo Yoshizawa, Shinji Tamaki, Junichi Terai, Kiyonori Tsuda +3 more | 2003-02-18 |
| 6501913 | Container, its support structure, and image formation apparatus | Yoshio Hattori, Tomotoshi Nakahara, Takaaki Yanagisawa, Kouta Fujimori, Masumi Sato | 2002-12-31 |
| 6393241 | Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Nobuo Iwata, Takaaki Yanagisawa +4 more | 2002-05-21 |
| 6337957 | Image forming apparatus and developing device with improved self toner density control | Shinji Tamaki, Tsuyoshi Imamura, Hideo Yoshizawa, Junichi Terai, Masayuki Yamane +5 more | 2002-01-08 |
| 5638158 | Image formation apparatus | Atsushi Sanpe, Hirohisa Otsuka | 1997-06-10 |