Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488786 | Development device and image forming apparatus including the development device | SHOHEI FUKUMOTO, Motoyuki Itoyama | 2019-11-26 |
| 10324414 | Image forming device capable of insertion and pulling-out consumable article container | Tomoki Minamikawa | 2019-06-18 |
| 10031469 | Image forming device capable of inserting/pulling-out consumable article container | Tomoki Minamikawa | 2018-07-24 |
| 8649706 | Charging apparatus and image forming apparatus including same | Toshiaki Ino, Katsuya Takano, Yasuhiro Nishimura, Masaki Ueji | 2014-02-11 |
| 8369747 | Charging device and image forming apparatus | Masaki Ueji, Toshiaki Ino, Katsuya Takano, Yasuhiro Nishimura | 2013-02-05 |
| 8249481 | Developing device, image forming apparatus including the same and developing method | Kohichi Takenouchi, Mitsuru Tokuyama, Kiyofumi Morimoto, Kazuma Hinoue | 2012-08-21 |
| 8078087 | Toner carrying device and image forming apparatus | Yuhsuke Yoshimoto, Masanobu Deguchi, Takeshi Wakabayashi, Kohichi Takenouchi, Kiyofumi Morimoto | 2011-12-13 |
| 7981585 | Cleaning blade | Mitsuru Tokuyama, Kouichi Takenouchi, Kiyofumi Morimoto, Kazuma Hinoue | 2011-07-19 |
| 7860415 | Image forming apparatus with toner concentration sensor | Mitsuru Tokuyama, Kouichi Takenouchi, Kiyofumi Morimoto, Kazuma Hinoue | 2010-12-28 |
| 7826755 | Image forming apparatus and drive control method of the same | Kohichi Takenouchi, Mitsuru Tokuyama, Kiyofumi Morimoto, Kazuma Hinoue, Tomoki Minamikawa | 2010-11-02 |
| 7817934 | Image forming apparatus with power saving sleep mode | Mitsuru Tokuyama, 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, Mitsuru Tokuyama, Kazuma Hinoue | 2010-08-03 |
| 7561831 | Image forming apparatus, method of controlling same, program for controlling, and recording medium for program | Mitsuru Tokuyama, Hiroshi Kubota, Kouichi Takenouchi | 2009-07-14 |
| 7430381 | Developing device with corrected toner density sensing, control method, and computer-readable storage medium | Kouichi Takenouchi, Mitsuru Tokuyama, Kiyofumi Morimoto | 2008-09-30 |
| 6512896 | Image forming apparatus with detachable mounting process cartridge | Masato Asanuma, Kouichi Takenouchi, Syouichi Fujita, Hirofumi Sakita, Hideji Saiko | 2003-01-28 |
| 6311027 | Image-forming apparatus which forms images by using a developer | Hirofumi Sakita, Syouichi Fujita, Hideji Saiko, Mitsuru Tokuyama, Masatsugu Nakamura +1 more | 2001-10-30 |
| 6157807 | Cleaning device with electrically biased conveying members for collecting, separating and reusing developer | Kouichi Takenouchi, Masato Asanuma, Kouji Shinkawa, Syouichi Fujita | 2000-12-05 |
| 5923920 | Image forming apparatus for controlling processing conditions in image forming process by detection of tiner patch density formed on photoreceptor surface | Toshihisa Ishida, Masayasu Narimatsu, Hideji Saiko, Tomoko Nishino, Katsuaki Sumida +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 |