Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9645521 | Image forming apparatus | — | 2017-05-09 |
| 8744325 | Image forming apparatus for forming a detection toner pattern | Koichiro Ino, Mitsuhiro Sugeta, Takahiro Oonuma | 2014-06-03 |
| 8565634 | Image forming apparatus | Jun Nakazato, Satoru Takezawa | 2013-10-22 |
| 8346142 | Image forming apparatus configured to eject air toward a gap between the top end of a sheet having passed through a nip portion and the circumference of a fixing rotating member of the nip portion | — | 2013-01-01 |
| 8175505 | Image forming apparatus with emitted light control based on reflected light amounts | Satoru Takezawa, Jun Nakazato | 2012-05-08 |
| 7991336 | Image forming apparatus with irradiated light control based on reflected light amounts | Satoru Takezawa, Jun Nakazato | 2011-08-02 |
| 7590364 | Image forming apparatus with irradiated light control based on reflected light amounts | Satoru Takezawa, Jun Nakazato | 2009-09-15 |
| 7457556 | Image forming apparatus forming images using light and dark toners and control method thereof | Nobuo Sekiguchi | 2008-11-25 |
| 7298502 | Image forming apparatus | Tatsuhito Kataoka | 2007-11-20 |
| 7283778 | Image forming apparatus with heating member control based on door opening state and heating member position | — | 2007-10-16 |
| 7272352 | Image forming apparatus with heating member control based on door opening state and heating member position | — | 2007-09-18 |
| 7209695 | Image forming apparatus with detaching mechanism for fixing heater | — | 2007-04-24 |
| 6930786 | Image forming apparatus | Tatsuhito Kataoka | 2005-08-16 |
| 6614506 | Image forming apparatus and registration correcting method of the image forming apparatus | Tatsuhito Kataoka | 2003-09-02 |
| 6456386 | Image forming system including sorter unit | Masao Watanabe, Shizuo Hasegawa, Masatoshi Yaginuma, Katsunari Suzuki | 2002-09-24 |
| 6448489 | Solar generation system | Fumiya Kimura, Hirofumi Nakata, Tsukasa Takebayashi, Kiyoshi Nishida | 2002-09-10 |
| 6408159 | Fixing apparatus capable of heating the releasing agent | Jiro Ishizuka | 2002-06-18 |
| 6172889 | Inverter apparatus islanding operation detecting method and inverter apparatus capable of surely detecting an islanding operation with a simple construction | Masaki Eguchi, Tsukasa Takebayashi, Hirofumi Nakata | 2001-01-09 |
| 6128106 | Sheet conveying apparatus | Masao Watanabe, Shizuo Hasegawa, Masatoshi Yaginuma | 2000-10-03 |
| 6059285 | Sheet conveying apparatus | Takeshi Suga, Masao Watanabe, Akihito Mori | 2000-05-09 |
| 5914866 | Device and method for controlling inverter performing feedback control to suppress periodic component and unsteady component of error | Masaki Eguchi, Tsukasa Takebayashi, Hirofumi Nakata | 1999-06-22 |
| 5913015 | Image forming system including sorter unit | Masao Watanabe, Shizuo Hasegawa, Masatoshi Yaginuma, Katsunari Suzuki | 1999-06-15 |
| 5848320 | Copying apparatus capable of handling original having protruding portion | Masatoshi Yaginuma, Shizuo Hasegawa, Hiroyuki Ichikawa, Hideaki Shimizu, Masao Watanabe +5 more | 1998-12-08 |
| 5719758 | Inverter control method and inverter apparatus using the method | Hirofumi Nakata, Masaki Eguchi, Tsukasa Takebayashi | 1998-02-17 |
| 5668713 | Inverter control method and inverter control device performing feedback control by suppressing delay | Masaki Eguchi, Tsukasa Takebayashi, Hirofumi Nakata | 1997-09-16 |