Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894744 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Hiroyasu Shijo, Motokazu Yasui | 2011-02-22 |
| 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 | Masumi Sato, Hiroyasu Shijo, Motokazu Yasui | 2008-11-25 |
| 7436417 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, 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 |
| 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 |
| 7289748 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +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, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2007-05-15 |
| 7212764 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, 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 |
| 6973283 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Hiroyasu Shijo, Motokazu Yasui | 2005-12-06 |
| 6898407 | Desktop color image forming apparatus and method of making the same | Yuusuke Noguchi, Hiromichi Ema, Hiroshi Ishii, Yutaka Fukuchi, Kazuosa Kuma +5 more | 2005-05-24 |
| 6879791 | Method of positioning image forming means and positioning jig for the same | — | 2005-04-12 |
| 6801749 | Apparatuses for color image formation, tandem color image formation and image formation | Motokazu Yasui, Hiroyasu Shijo, Masumi Sato | 2004-10-05 |
| 6795682 | Image forming apparatus including a cleaning unit | — | 2004-09-21 |
| 6785504 | Apparatuses for color image formation, tandem color image formation and image formation | Motokazu Yasui, Hiroyasu Shijo, Masumi Sato | 2004-08-31 |
| 6766137 | Apparatuses for color image formation, tandem color image formation and image formation | Motokazu Yasui, Hiroyasu Shijo, Masumi Sato | 2004-07-20 |
| 6748190 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2004-06-08 |
| 6628908 | Toner supply unit and image forming apparatus | Junichi Matsumoto, Nobuo Kasahara, Nobuo Iwata, Satoshi Muramatsu, Tomoyuki Ichikawa +5 more | 2003-09-30 |
| 6591077 | Image forming apparatus and toner container therefor | Takaaki Yanagisawa, Masumi Sato, Kazuhisa Sudo, Yoshio Hattori, Kouta Fujimori | 2003-07-08 |