Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7444107 | Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unit | Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto, Takayuki Koike, Eriko Maruyama | 2008-10-28 |
| 7356288 | Developing apparatus having improved agitation effect | Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto, Takayuki Koike | 2008-04-08 |
| 7346286 | Method and apparatus for image forming effectively detecting deterioration of developer | Junichi Matsumoto, Nobuo Iwata, Satoshi Muramatsu, Takayuki Koike, Eriko Maruyama | 2008-03-18 |
| 7313336 | Method and apparatus for image forming capable of effectively recycling toner | Ichiro Kadota, Atsushi Shinozaki, Nekka Matsuura, Hisashi Shoji, Kazumi Suzuki +3 more | 2007-12-25 |
| 7245853 | Developer container, developer supplying unit, and image forming apparatus | Satoshi Muramatsu, Nobuo Iwata, Junichi Matsumoto, Takayuki Koike | 2007-07-17 |
| 7245861 | Developing device, image forming apparatus and process cartridge including the developing device, and developing method | Takayuki Koike, Hajime Oyama, Hiromitsu Takagaki | 2007-07-17 |
| 7191757 | Throttle control in internal combustion engine for noise reduction | Shinji Nagai | 2007-03-20 |
| 7171145 | Developing device and process cartridge for an image forming apparatus | Hajime Oyama, Hiromitsu Takagaki, Takayuki Koike | 2007-01-30 |
| 7127198 | Image forming apparatus including a developer replenishing device for a two-ingredient type developer | Satoshi Muramatsu, Nobuo Iwata, Junichi Matsumoto, Takayuki Koike, Eriko Maruyama | 2006-10-24 |
| 7116932 | Developing unit and image forming apparatus | Hajime Oyama, Hiromitsu Takagaki, Takayuki Koike | 2006-10-03 |
| 7103305 | Developing apparatus for image forming apparatus | Takayuki Koike, Nobuo Iwata, Satoshi Muramatsu, Junichi Matsumoto | 2006-09-05 |
| 7024141 | Developing device and process cartridge for an image forming apparatus | Hajime Oyama, Hiromitsu Takagaki, Takayuki Koike | 2006-04-04 |
| 6978109 | Image forming apparatus | Hisashi Shoji, Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Hirokatsu Suzuki | 2005-12-20 |
| 6856780 | Method and device for developing a latent image and image forming apparatus using the same | Ichiro Kadota, Takashi Hodoshima, Teiichiro Takano | 2005-02-15 |
| 6823163 | Image forming apparatus including an electric field having an oscillation component between an image carrier and a developer carrier | Naomi Sugimoto, Tsukuru Kai, Hisashi Shoji | 2004-11-23 |
| 6819901 | Developing method and a developing device for image forming apparatus | Kei Yasutomi, Tsukuru Kai, Hisashi Shoji | 2004-11-16 |
| 6778805 | Image forming apparatus having a developing device with a magnet brush | Tsukuru Kai, Hisashi Shoji, Kei Yasutomi, Takeyoshi Sekine, Osamu Ariizumi | 2004-08-17 |
| 6757509 | Image forming apparatus | Hisashi Shoji, Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Hirokatsu Suzuki | 2004-06-29 |
| 6665511 | Developing device and image forming apparatus including the same | Kenzo Tatsumi | 2003-12-16 |
| 6654579 | Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer | Masahiko Shakuto, Kei Yasutomi, Hirokatsu Suzuki, Toshihiko Baba | 2003-11-25 |
| 6625409 | Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer | Masahiko Shakuto, Kei Yasutomi, Hirokatsu Suzuki, Toshihiko Baba | 2003-09-23 |
| 6597885 | Image forming apparatus having a developing device with a magnet brush | Tsukuru Kai, Hisashi Shoji, Kei Yasutomi, Takeyoshi Sekine, Osamu Ariizumi | 2003-07-22 |
| 6442364 | Image forming apparatus having a developer carrier capable of preventing toner adhesion | Tsukuru Kai, Takeyoshi Sekine, Nobuo Takami, Osamu Ariizumi | 2002-08-27 |
| 6366751 | Image forming apparatus including preselected range between charge injection layer and voltage potential | Masahiko Shakuto, Tsukuru Kai, Hidetoshi Yano, Takahiko Tokumasu, Hiroshi Ikuno +3 more | 2002-04-02 |
| 5937228 | Image forming apparatus | Hisashi Shoji, Masahiko Shakuto, Hirokatsu Suzuki | 1999-08-10 |