Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9442429 | Image forming apparatus and method of switching collected developer route in image forming apparatus | Tetsuto Ueda, Hiroomi Tamura, Kazuya Saitoh, Sho Sekiguchi, Takeshi Kojima +2 more | 2016-09-13 |
| 9316997 | Image forming apparatus that selectively recycles developer | Tetsuto Ueda, Hiroomi Tamura, Kazuya Saitoh, Sho Sekiguchi, Takeshi Kojima +1 more | 2016-04-19 |
| 9223261 | Image forming apparatus with fixing unit adapted to fix toner including pressure-induced phase transition toner | Hirohmi Tamura, Satoru Ishikake, Ryuji Yoshida, Takashi Bisaiji | 2015-12-29 |
| 9052643 | Image forming method and image forming apparatus for transforming a toner image into a semi-film | Takashi Bisaiji, Hiroomi Tamura, Takamasa Ozeki, Satoru Ishikake | 2015-06-09 |
| 9042778 | Powder refilling device, process cartridge and image including same, and powder refilling method | Kazuya Saitoh, Akio Kosuge, Ryuji Yoshida, Takuya Suganuma, Tetsuto Ueda +2 more | 2015-05-26 |
| 9026007 | Image forming apparatus | Takashi Bisaiji, Hiroomi Tamura, Satoru Ishikake, Ryuji Yoshida | 2015-05-05 |
| 8824922 | Toner container and image forming apparatus | Kazuaki Kamihara, Yosuke Saito | 2014-09-02 |
| 8441065 | Semiconductor device and manufacturing method of the same | Atsushi Fujiki, Yoshito Nakazawa | 2013-05-14 |
| 8433216 | Image forming apparatus | Satoru Ishikake, Masanori Kawasumi, Hideyo Watanabe, Yosuke Saito, Hiroki Atari +1 more | 2013-04-30 |
| 8422897 | Image forming apparatus | Kazuhisa Sudo, Masanori Kawasumi, Shunichi Hashimoto, Mugijirou Uno, Akira Shinshi +6 more | 2013-04-16 |
| 8385793 | Image forming apparatus preventing gaps between a conveyor belt and transfer sheet | Masaharu Furuya, Masahiko Satoh, Masanori Kawasumi, Hirohmi Tamura, Kazuya Saitoh +6 more | 2013-02-26 |
| 8126346 | Apparatus and method for fixing an image | Jun Yura, Koichi Kato, Hiroshi Nakai, Kazumi Suzuki, Kei Yasutomi +2 more | 2012-02-28 |
| 7941075 | Image forming apparatus including a cleaner-less image carrier cleaning system | Emiko Shiraishi, Shigekazu Enoki, Jun Yura | 2011-05-10 |
| 7884840 | Image forming method and apparatus for transfer and fixing image with one process | Norimasa Sohmiya, Chiemi Kaneko, Kenichi Taguma, Emiko Ishikawa, Yasukuni Omata | 2011-02-08 |
| 7835671 | Developing device using two-component developer and image forming apparatus equipped with the developing device | — | 2010-11-16 |
| 7796920 | Developing unit and image forming apparatus including the same | Kenichi Taguma, Chiemi Kaneko, Emiko Shiraishi | 2010-09-14 |
| 7724394 | Image forming apparatus and image forming method using pseudo half tone processing with different resolutions | Kei Yasutomi, Jun Yura, Hideki Kosugi, Kohichi Katoh, Hiroshi Nakai +2 more | 2010-05-25 |
| 7627260 | Development apparatus, process cartridge, and image forming apparatus | Emiko Shiraishi | 2009-12-01 |
| 7620336 | Apparatus and method for fixing an image | Jun Yura, Koichi Kato, Hiroshi Nakai, Kazumi Suzuki, Kei Yasutomi +2 more | 2009-11-17 |
| 7593671 | Developing device, a developing method, a process cartridge and an image forming apparatus | Emiko Ishikawa, Chiemi Kaneko, Kenichi Taguma | 2009-09-22 |
| 7577387 | Developing unit having improved agent recovery and supply system and image forming apparatus using the same | — | 2009-08-18 |
| 7212753 | Image forming apparatus and process cartridge | Hiroshi Nakai, Hideki Kosugi, Ichiro Kadota, Jun Yura, Koichi Katoh +2 more | 2007-05-01 |
| 6978109 | Image forming apparatus | Hisashi Shoji, Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Nobutaka Takeuchi | 2005-12-20 |
| 6757509 | Image forming apparatus | Hisashi Shoji, Tsukuru Kai, Kei Yasutomi, Nekka Matsuura, Nobutaka Takeuchi | 2004-06-29 |
| 6686946 | Density unevenness suppressing image forming apparatus and method | Koji Masuda, Kazuyuki Shimada, Tetsuro Saitoh, Masahiro Ito, Katsuyuki Kitao +1 more | 2004-02-03 |