Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8265527 | Developing unit, image forming apparatus incorporating same, and method of controlling amounts of toner | Emiko Shiraishi, Kentaroh Tomita, Takehide Mizutani, Takayuki Tamaki | 2012-09-11 |
| 8180246 | Image forming apparatus | Shinichi Kawahara, Nobuyuki Koinuma, Kazuhisa Sudo, Tokuya Ojimi, Kazuhiko Yuki +4 more | 2012-05-15 |
| 7989132 | Image sheet forming method and image sheet forming apparatus | Reki Nakamura, Megumi Ohtoshi, Shiro Kondo | 2011-08-02 |
| 7894744 | Color image forming apparatus, and toner replenishing apparatus | Tomotoshi Nakahara, Hiroyasu Shijo, Motokazu Yasui | 2011-02-22 |
| 7712989 | Ink jet recording apparatus capable of performing a duplex print operation | Motokazu Yasui, Tsumori Sato, Masanori Horike, Masato Yokoyama | 2010-05-11 |
| 7606521 | Desktop color image forming apparatus and method of making the same | Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Yutaka Fukuchi, Kazuosa Kuma +5 more | 2009-10-20 |
| 7542697 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2009-06-02 |
| 7457561 | Color image forming apparatus, and toner replenishing apparatus | Tomotoshi Nakahara, Hiroyasu Shijo, Motokazu Yasui | 2008-11-25 |
| 7436417 | Color image forming apparatus, and toner replenishing apparatus | Tomotoshi Nakahara, Hiroyasu Shijo, Motokazu Yasui | 2008-10-14 |
| 7406283 | Desktop color image forming apparatus and method of making the same | Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Yutaka Fukuchi, Kazuosa Kuma +5 more | 2008-07-29 |
| 7356290 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2008-04-08 |
| 7344615 | Method and apparatus for performing a charging process on an image carrying device | Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro, Masami Hiramatsu +1 more | 2008-03-18 |
| 7344326 | Ink jet recording apparatus capable of performing a duplex print operation | Motokazu Yasui, Tsumori Sato, Masanori Horike, Masato Yokoyama | 2008-03-18 |
| 7333749 | Desktop color image forming apparatus and method of making the same | Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Yutaka Fukuchi, Kazuosa Kuma +5 more | 2008-02-19 |
| 7292812 | Image forming apparatus | — | 2007-11-06 |
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-10-30 |
| 7263309 | Desktop color image forming apparatus and method of making the same | Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Yutaka Fukuchi, Kazuosa Kuma +5 more | 2007-08-28 |
| 7218880 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa, Yoshi Hattori +4 more | 2007-05-15 |
| 7212764 | Color image forming apparatus, and toner replenishing apparatus | Tomotoshi Nakahara, Hiroyasu Shijo, Motokazu Yasui | 2007-05-01 |
| 7209689 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2007-04-24 |
| 7130558 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-10-31 |
| 7088945 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2006-08-08 |
| 7079796 | Color image forming apparatus with toner recycling mechanism | — | 2006-07-18 |
| 6977022 | Method and apparatus for performing a charging process on an image carrying device | Hiroshi Yoshinaga, Yukiko Iwasaki, Hitoshi Ishibashi, Takatsugu Fujishiro, Masami Hiramatsu +1 more | 2005-12-20 |
| 6973283 | Color image forming apparatus, and toner replenishing apparatus | Tomotoshi Nakahara, Hiroyasu Shijo, Motokazu Yasui | 2005-12-06 |