Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8615177 | Image forming apparatus | Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Yoshiaki Kaneko | 2013-12-24 |
| 8609314 | Developing agent and method of manufacturing the same | Tsuyoshi Itou, Takayasu Aoki | 2013-12-17 |
| 8557495 | Developing agent and method for producing the same | Tsuyoshi Itou | 2013-10-15 |
| 8478151 | Image forming apparatus | Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Yoshiaki Kaneko | 2013-07-02 |
| 8422892 | Image forming apparatus, image forming method, and computer-readable recording medium having image forming program recorded therein | Minoru Yoshida, Yoshiaki Kaneko, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi +3 more | 2013-04-16 |
| 8290386 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2012-10-16 |
| 8252496 | Developing agent and method for producing the same | Tsuyoshi Itou | 2012-08-28 |
| 8237758 | Image erasing apparatus | Hiroyuki Taguchi, Ken Iguchi, Minoru Yoshida, Osamu Takagi, Yoshiaki Kaneko | 2012-08-07 |
| 7957660 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2011-06-07 |
| 7376372 | Image forming apparatus and method for forming image | Satoshi Itaya, Mitsuhisa Kato | 2008-05-20 |
| 7245859 | Image forming apparatus having a rotary developing device with plural developing units | Satoshi Itaya, Mitsuhisa Kato | 2007-07-17 |
| 7172845 | Developing agent and image forming apparatus using the same | Shuitsu Sato, Takashi Urabe, Yasuhito Noda, Yuichi Hori, Taishi Takano | 2007-02-06 |
| 7070901 | Developing agent and image forming apparatus | — | 2006-07-04 |
| 6861194 | Developing agent and image forming apparatus | — | 2005-03-01 |
| 6623898 | Developing agent, method for manufacturing the same, image forming apparatus | — | 2003-09-23 |
| 6625418 | Image forming apparatus, method for forming image, and fixing device | Yoshiaki Okano | 2003-09-23 |
| 6503675 | Toner and toner manufacturing method | — | 2003-01-07 |
| 6451494 | Developing agent and method for manufacturing the same | — | 2002-09-17 |
| 6399266 | Developing agent and method for manufacturing the same | — | 2002-06-04 |
| 6153347 | Developing agent and method of manufacturing the same | Yuuko Takano, Yasuo Goto, Toshiaki Yamauchi, Yukihiro Fujikura, Hisanobu Ajima +2 more | 2000-11-28 |
| 5963763 | Image forming apparatus using a developing agent having components of varying size | Yasuo Goto | 1999-10-05 |
| 5692232 | Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device | Yoshiaki Okano, Hiroshi Hashizume, Hirotaka Fukuyama, Kouichirou Satou, Tetsuya Nakamura +4 more | 1997-11-25 |
| 5655178 | Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage | Masaaki Ishikawa, Michihisa Iguchi, Hiroshi Hashizume, Tetsuya Nakamura, Kouichirou Satou +6 more | 1997-08-05 |
| 5600417 | Developing device for electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Yoshiaki Okano, Chinobu Sakai +4 more | 1997-02-04 |
| 5537192 | Transfer roller and toner for electrophotographic apparatus | Michihisa Iguchi, Hiroshi Hashizume, Seiji Arai, Yoshiaki Okano, Chinobu Sakai +4 more | 1996-07-16 |