Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7894744 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Tomotoshi Nakahara, Hiroyasu Shijo | 2011-02-22 |
| 7734208 | Image fixing apparatus and image forming apparatus capable of effectively controlling an image fixing temperature | Hiroshi Seo, Tadashi Ogawa, Hiroshi Koide | 2010-06-08 |
| 7712989 | Ink jet recording apparatus capable of performing a duplex print operation | Tsumori Sato, Masanori Horike, Masato Yokoyama, Masumi Sato | 2010-05-11 |
| 7693439 | Fixing device, and method and device for heating control used in the same | Hiroshi Seo, Tadashi Ogawa, Hiroshi Koide | 2010-04-06 |
| 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 |
| 7457561 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Tomotoshi Nakahara, Hiroyasu Shijo | 2008-11-25 |
| 7436417 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Tomotoshi Nakahara, Hiroyasu Shijo | 2008-10-14 |
| 7427727 | Fixing apparatus and an image formation apparatus | Hiroshi Koide, Hitoshi Hattori, Takashi Fujita, Hirokazu Ikenoue | 2008-09-23 |
| 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 |
| 7344326 | Ink jet recording apparatus capable of performing a duplex print operation | Tsumori Sato, Masanori Horike, Masato Yokoyama, Masumi Sato | 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 |
| 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 |
| 7212764 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Tomotoshi Nakahara, Hiroyasu Shijo | 2007-05-01 |
| 7022944 | Image forming apparatus preventing excessive increase in temperature of fixing device | Hiroshi Yoshinaga, Hideo Furukawa, Masanao Ehara, Hirofumi Ogawa | 2006-04-04 |
| 6973283 | Color image forming apparatus, and toner replenishing apparatus | Masumi Sato, Tomotoshi Nakahara, Hiroyasu Shijo | 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 |
| 6892044 | Liquid application apparatus and image formation apparatus | Masanao Ehara, Hideo Furukawa, Masaaki Yoshikawa, Hiroshi Yoshinaga | 2005-05-10 |
| 6881927 | Image forming apparatus preventing excessive increase in temperature of fixing device | Hiroshi Yoshinaga, Hideo Furukawa, Masanao Ehara, Hirofumi Ogawa | 2005-04-19 |
| 6807386 | Fixing device and image forming apparatus | Hideo Furukawa, Masanao Ehara, Masaharu Furuya | 2004-10-19 |
| 6801749 | Apparatuses for color image formation, tandem color image formation and image formation | Hiroyasu Shijo, Masumi Sato, Tomotoshi Nakahara | 2004-10-05 |
| 6785504 | Apparatuses for color image formation, tandem color image formation and image formation | Hiroyasu Shijo, Masumi Sato, Tomotoshi Nakahara | 2004-08-31 |
| 6785505 | Fixing device preventing rubbing of toner image | Masanao Ehara, Hideo Furukawa, Hiroshi Yoshinaga, Hirofumi Ogawa, Hiroyuki Gotoh | 2004-08-31 |
| 6778790 | Fixing device capable of preventing excessive increase in temperature | Hiroshi Yoshinaga, Masanao Ehara, Hideo Furukawa, Yukiko Iwasaki | 2004-08-17 |
| 6778804 | Fixing device and image forming apparatus including the same | Hiroshi Yoshinaga | 2004-08-17 |
| 6766137 | Apparatuses for color image formation, tandem color image formation and image formation | Hiroyasu Shijo, Masumi Sato, Tomotoshi Nakahara | 2004-07-20 |