Issued Patents All Time
Showing 26–50 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995954 | Developing device and image forming apparatus including same which includes a supply path and a recovery path | Norio Kudo, Yasuo Miyoshi, Hisashi Kikuchi, Tsukuru Kai | 2011-08-09 |
| 7953350 | Developing device for developing latent images to toner images | Junichi Matsumoto, Natsumi Katoh, Tomoyuki Ichikawa | 2011-05-31 |
| 7917055 | Toner container including a toner draining unit and a shutter, and corresponding image forming apparatus | Goro Katsuyama, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2011-03-29 |
| 7912408 | Image forming apparatus, process cartridge, and development device | Junichi Matsumoto, Tomoyuki Ichikawa, Natsumi Katoh | 2011-03-22 |
| 7894753 | Developer container including mouth member and image forming apparatus including the same | Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2011-02-22 |
| 7835653 | Developing device and image forming apparatus | Natsumi Katoh, Junichi Matsumoto, Tomoyuki Ichikawa | 2010-11-16 |
| 7809322 | Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developer | Nobutaka Takeuchi, Satoshi Muramatsu, Junichi Matsumoto, Takayuki Koike, Eriko Maruyama | 2010-10-05 |
| 7796914 | Powder container having a cylindrical shutter | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Goro Katsuyama | 2010-09-14 |
| 7792472 | Developing apparatus and image forming apparatus using same | Tomoyuki Ichikawa, Junichi Matsumoto, Natsumi Katoh | 2010-09-07 |
| 7783233 | Developing device including improved conveying device, process cartridge and image forming apparatus using the same | Junichi Matsumoto, Tomoyuki Ichikawa, Natsumi Katoh, Tomoya Ohmura | 2010-08-24 |
| 7778577 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Kasahara | 2010-08-17 |
| 7729642 | Stress-reduceable transport unit and image forming apparatus using the same | Junichi Matsumoto, Tomoyuki Ichikawa, Natsumi Katoh | 2010-06-01 |
| 7636536 | Image forming apparatus having an improved developer conveying system | Junichi Matsumoto, Tomoyuki Ichikawa, Natsumi Katoh | 2009-12-22 |
| 7603054 | Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container | Goro Katsuyama, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2009-10-13 |
| 7593674 | Body member of a powder container | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Goro Katsuyama | 2009-09-22 |
| 7542697 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2009-06-02 |
| 7542703 | Developing device replenishing a toner or a carrier of a two-ingredient type developer and image forming apparatus including the developing device | Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2009-06-02 |
| 7536139 | Powder container for use in an image forming apparatus having an opening which faces horizontally | Goro Katsuyama, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2009-05-19 |
| 7512364 | Image forming apparatus including a developer replenishing device for a two-ingredient type developer | Satoshi Muramatsu, Nobutaka Takeuchi, Junichi Matsumoto, Takayuki Koike, Eriko Maruyama | 2009-03-31 |
| 7509079 | Toner, toner conveying apparatus and method, and image forming apparatus | Satoshi Muramatsu, Nobuo Kasahara, Junichi Matsumoto | 2009-03-24 |
| 7450891 | Developer container for an image forming apparatus | Satoshi Muramatsu, Junichi Matsumoto, Nobuo Kasahara | 2008-11-11 |
| 7444107 | Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unit | Nobutaka Takeuchi, Satoshi Muramatsu, Junichi Matsumoto, Takayuki Koike, Eriko Maruyama | 2008-10-28 |
| 7406278 | Powder container having a lower section with multiple parts which rotatably engage with each other | Goro Katsuyama, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto | 2008-07-29 |
| 7356290 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Satoshi Muramatsu, Tomoyuki Ichikawa, Yoshio Hattori +5 more | 2008-04-08 |
| 7356288 | Developing apparatus having improved agitation effect | Satoshi Muramatsu, Nobutaka Takeuchi, Junichi Matsumoto, Takayuki Koike | 2008-04-08 |