Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406641 | Image forming apparatus and toner supply method | Kazuma Hinoue, Motoyuki Itoyama, Masayasu Narimatsu, Kohichi Takenouchi, Hideji Saikoh +3 more | 2013-03-26 |
| 8295740 | Developing device, image forming apparatus, and cleaning method for the developing device | Takeshi Ohkawa, Motoyuki Itoyama | 2012-10-23 |
| 8249481 | Developing device, image forming apparatus including the same and developing method | Kohichi Takenouchi, Kiyofumi Morimoto, Hiroo Naoi, Kazuma Hinoue | 2012-08-21 |
| 7981585 | Cleaning blade | Kouichi Takenouchi, Hiroo Naoi, Kiyofumi Morimoto, Kazuma Hinoue | 2011-07-19 |
| 7860415 | Image forming apparatus with toner concentration sensor | Kouichi Takenouchi, Hiroo Naoi, Kiyofumi Morimoto, Kazuma Hinoue | 2010-12-28 |
| 7826755 | Image forming apparatus and drive control method of the same | Hiroo Naoi, Kohichi Takenouchi, Kiyofumi Morimoto, Kazuma Hinoue, Tomoki Minamikawa | 2010-11-02 |
| 7817934 | Image forming apparatus with power saving sleep mode | Hiroo Naoi, Kohichi Takenouchi, Kiyofumi Morimoto, Kazuma Hinoue | 2010-10-19 |
| 7769327 | Developing device and image forming apparatus having a developing roller with a grooved sleeve | Kiyofumi Morimoto, Kohichi Takenouchi, Hiroo Naoi, Kazuma Hinoue | 2010-08-03 |
| 7616912 | Image forming apparatus including a charger and intake/exhaust | Yasuhiro Nishimura, Toshiaki Ino, Takashi Kitagawa, Kiyofumi Morimoto | 2009-11-10 |
| 7561831 | Image forming apparatus, method of controlling same, program for controlling, and recording medium for program | Hiroo Naoi, Hiroshi Kubota, Kouichi Takenouchi | 2009-07-14 |
| 7498559 | Optical discharge apparatus and image forming apparatus containing the same | Yasuhiro Nishimura, Toshiaki Ino, Kiyofumi Morimoto, Takashi Kitagawa | 2009-03-03 |
| 7430381 | Developing device with corrected toner density sensing, control method, and computer-readable storage medium | Kouichi Takenouchi, Hiroo Naoi, Kiyofumi Morimoto | 2008-09-30 |
| 7272332 | Image forming apparatus and density correction data creation method used therein | Takashi Kitagawa, Toshiaki Ino, Kiyofumi Morimoto, Yasuhiro Nishimura | 2007-09-18 |
| 7251422 | Image correction method and image forming apparatus | Toshiaki Ino, Kiyofumi Morimoto, Takashi Kitagawa, Yasuhiro Nishimura | 2007-07-31 |
| 7236906 | Information processing apparatus and program | — | 2007-06-26 |
| 6965696 | Image processing device for image region discrimination | Masatsugu Nakamura, Mihoko Tanimura, Masaaki Ohtsuki, Norihide Yasuoka | 2005-11-15 |
| 6728425 | Image processing device | Masatsugu Nakamura, Mihoko Tanimura, Norihide Yasuoka, Masaaki Ohtsuki, Hirohumi Sakita | 2004-04-27 |
| 6477282 | Image forming device | Masaaki Ohtsuki, Mihoko Tanimura, Masatsugu Nakamura | 2002-11-05 |
| 6438274 | Image forming apparatus | Masaaki Ohtsuki, Masatsugu Nakamura, Mihoko Tanimura | 2002-08-20 |
| 6324309 | Image processing apparatus | Masatsugu Nakamura, Mihoko Tanimura, Masaaki Ohtsuki | 2001-11-27 |
| 6311027 | Image-forming apparatus which forms images by using a developer | Hirofumi Sakita, Syouichi Fujita, Hideji Saiko, Masatsugu Nakamura, Hiroo Naoi +1 more | 2001-10-30 |
| 6266156 | Area judging apparatus | Mihoko Tanimura, Masatsugu Nakamura, Masaaki Ohtsuki | 2001-07-24 |
| 6240206 | Image processing apparatus | Yasushi Adachi, Mihoko Tanimura | 2001-05-29 |
| 6167227 | Developing unit and image forming apparatus | Syouichi Fujita, Itaru Kawabata, Toshio Nishino, Hirofumi Sakita, Hideji Saiko | 2000-12-26 |
| 5839018 | Toner density control for an image forming apparatus | Masato Asanuma, Toshiaki Ino, Kanshiro Okamoto, Hideji Saiko, Toshihisa Ishida +8 more | 1998-11-17 |