Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8099002 | Developing device of image forming apparatus using a toner and carrier mixture | Hiroshi Murata, Minoru Yoshida, Takashi Hatakeyama | 2012-01-17 |
| 8045897 | Developing device | Minoru Yoshida, Hiroshi Murata, Takashi Hatakeyama | 2011-10-25 |
| 8000637 | Supplying and discharging developer in an image forming apparatus, process cartridge and developing device | Hiroshi Murata, Takashi Hatakeyama | 2011-08-16 |
| 7995955 | Image forming apparatus, developing device and developer discharge mechanism | Hiroshi Murata, Norikazu Ochiai | 2011-08-09 |
| 7899379 | Image forming apparatus and toner manufacturing method | Takeshi Watanabe | 2011-03-01 |
| 7831181 | Developing device | Takashi Hatakeyama, Minoru Yoshida, Hiroshi Murata | 2010-11-09 |
| 7742712 | Transfer bias voltage controlling apparatus | — | 2010-06-22 |
| 7684717 | Image forming apparatus and image forming method | Masato Ogasawara | 2010-03-23 |
| 7496306 | Cleaning method for transfer device of image forming apparatus | Masato Ogasawara | 2009-02-24 |
| 7465325 | Fuel reforming system and warmup method thereof | Koichi Yamaguchi, Masatoshi Iio | 2008-12-16 |
| 7383002 | Developing device, process cartridge and image forming apparatus | Hiroshi Murata, Takashi Hatakeyama | 2008-06-03 |
| 7356291 | Developing unit, image forming apparatus method that supplies inverse transfer preventing agent with inverse polarity | Haruhiko Ishida, Masashi Takahashi | 2008-04-08 |
| 7146801 | Fuel vaporizing device | Motohisa Kamijo, Takashi Aoyama | 2006-12-12 |
| 7099615 | Image forming apparatus with guide member guiding image forming medium | — | 2006-08-29 |
| 6959160 | Image forming apparatus | Minoru Yoshida | 2005-10-25 |
| 6785486 | Image forming apparatus | Minoru Yoshida | 2004-08-31 |
| 6766125 | Image forming apparatus | — | 2004-07-20 |
| 6625414 | Image forming apparatus with recovery device for recovering color developers | — | 2003-09-23 |
| 6567639 | Fixing device for heat pressure fixing a record medium and method thereof | Hiroshi Murata, Masashi Hiroki | 2003-05-20 |
| 6539193 | Developing apparatus and image forming apparatus for stably forming a developer layer on a developer device | Shinji Aoki | 2003-03-25 |
| 6519434 | Image forming apparatus | Shinji Aoki | 2003-02-11 |
| 6519437 | Prevention of excessive toner accumulation in a developing apparatus | Shinji Aoki | 2003-02-11 |
| 6516174 | Developing apparatus having developer regulating blade | Shinji Aoki | 2003-02-04 |
| 6512910 | Developing apparatus | Shinji Aoki | 2003-01-28 |
| 6501923 | Image forming apparatus with increased heat dissipation structure | Shinji Aoki | 2002-12-31 |