Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565099 | Developing device and image forming apparatus having a toner-particle bearing roller with a helical groove portion | Yoichi Yamada, Tomohiro Aruga, Noboru Sakurai, Masanao Kunugi, Hiroshi Kato | 2009-07-21 |
| 7539443 | Charging roller and image forming apparatus | Shinichi Kamoshida, Atsunori Kitazawa, Tadahiro Mizutani, Ken Ikuma | 2009-05-26 |
| 7406272 | Image forming apparatus and system with attachable and detachable developer container | Kazuhiro Nishiyama, Minoru Kishigami, Masaharu Inui | 2008-07-29 |
| 7403734 | Developing device, image forming apparatus, image forming system, and method of assembling developer supplying roller | Masaharu Inui | 2008-07-22 |
| 7359662 | Image forming apparatus with control blade having an arcuate shape | Yoichi Yamada | 2008-04-15 |
| 7330681 | Developing device, image forming apparatus, and image forming system | — | 2008-02-12 |
| 7330684 | Developing device, image forming apparatus, image forming system, charging member, and method for manufacturing developing device | — | 2008-02-12 |
| 7324775 | Image forming apparatus having developing device with sealing members and method of manufacture | — | 2008-01-29 |
| 7257347 | Developer containing device, image forming apparatus, and image forming system with housing sections welded together by vibration welding | — | 2007-08-14 |
| 7242872 | Image forming apparatus with changeover control for development cartridges | Keiichi Taguchi | 2007-07-10 |
| 7224924 | Developing device, image forming apparatus, image forming system, and method of manufacturing developing device | — | 2007-05-29 |
| 7190920 | Developing cartridge, air communication unit of developing cartridge and toner cartridge | — | 2007-03-13 |
| 7155151 | Developer carrier, developing device, image forming apparatus and computer system | — | 2006-12-26 |
| 7076185 | Developing device, image forming apparatus, computer system, and seal-assisting member | — | 2006-07-11 |
| 7068961 | Developing device, image forming apparatus, image forming system, sealing member, and method for manufacturing sealing member | Takayuki Shiraki | 2006-06-27 |
| 6937835 | Developer charging unit, developing device, image-forming apparatus, and computer system | — | 2005-08-30 |
| 6892039 | Connector having a built-in memory IC mounted on a development cartridge | Junji Shirokoshi, Takeshi Aoki | 2005-05-10 |
| 6868247 | Developing unit, developing device, image-forming apparatus, and computer system | Makoto Sato | 2005-03-15 |
| D500075 | Toner cartridge | Takehiko Okamura | 2004-12-21 |
| 6823156 | Developing device, rotary developing units, image formation apparatus and a computer system with a thickness regulator member and a roller support frame | — | 2004-11-23 |
| 5729797 | Toner cartridge | Mitsuharu Okada | 1998-03-17 |
| 5678777 | Flour milling machine | Satoru Satake, Hideki Sakaki | 1997-10-21 |