Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8855508 | Image forming apparatus, and image forming method | Hideji Saikoh, Kiyofumi Morimoto, Kazuma Hinoue | 2014-10-07 |
| 8488984 | Toner concentration controller and image forming apparatus including the toner concentration controller | Takeshi Ohkawa, Kiyofumi Morimoto, Kohichi Takenouchi | 2013-07-16 |
| 8406641 | Image forming apparatus and toner supply method | Kazuma Hinoue, Motoyuki Itoyama, Kohichi Takenouchi, Hideji Saikoh, Takeshi Ohkawa +3 more | 2013-03-26 |
| 8005403 | Image forming apparatus with movable developing unit | Takayuki Yamanaka, Hideji Saikoh, Junichi Saito, Eiichi Kido | 2011-08-23 |
| 7729653 | Image forming apparatus capable of cleaning a photoreceptor, method for cleaning a photoreceptor, and computer program for causing an image forming apparatus to clean a photoreceptor | Hiroshi Kawamoto, Jitsuo Masuda, Naoki Fukudo | 2010-06-01 |
| 7257336 | Developing device, image forming device equipped therewith, and developing density adjusting method | Masakatsu Hayashi, Hiroshi Kawamoto, Makoto Uehara, Jitsuo Masuda | 2007-08-14 |
| 6678482 | Image forming apparatus and method for determining suitability of replaceable component | Jitsuo Masuda, Hiroshi Kawamoto, Hiroaki Yoshida, Masahiro Sakai, Naoki Fukudo +1 more | 2004-01-13 |
| 6516162 | Image forming apparatus with automatic density compensation | Toshiaki Ino, Hiroshi Kawamoto, Takashi Kitagawa, Ken Yamagishi, Yuka Sakagami | 2003-02-04 |
| 6353716 | Image forming apparatus having humidity detection and toner concentration adjusting according to detected humidity | Makoto Uehara, Yasutaka Maeda, Ken Yamagishi, Hiroji Kawamoto, Yuka Sakagami +1 more | 2002-03-05 |
| 5923920 | Image forming apparatus for controlling processing conditions in image forming process by detection of tiner patch density formed on photoreceptor surface | Toshihisa Ishida, Hideji Saiko, Tomoko Nishino, Katsuaki Sumida, Jitsuo Masuda +1 more | 1999-07-13 |
| 5839018 | Toner density control for an image forming apparatus | Masato Asanuma, Toshiaki Ino, Kanshiro Okamoto, Hideji Saiko, Toshihisa Ishida +8 more | 1998-11-17 |
| 5826136 | Image stabilizing method for use in an image forming apparatus | Hideji Saiko, Motoyuki Itoyama, Jitsuo Masuda, Toshihisa Ishida, Katsuhiro Nagayama +2 more | 1998-10-20 |