Issued Patents All Time
Showing 26–50 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036556 | Fixing device having an electric power control system to an induction heating coil for image forming apparatus | Osamu Takagi, Yoshinori Tsueda, Tetsuo Kitamura, Hiroshi Nakayama, Yohei Doi +4 more | 2011-10-11 |
| 8000623 | Fixing apparatus and image forming apparatus | Yoshinori Tsueda, Osamu Takagi, Toshihiro Sone | 2011-08-16 |
| 7995957 | Image forming apparatus and fuser apparatus | Toshihiro Sone, Kazuhiko Kikuchi | 2011-08-09 |
| 7957662 | Fixing apparatus and image processing apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2011-06-07 |
| 7925197 | Fixing apparatus of image forming apparatus | Osamu Takagi, Yoshinori Tsueda, Tetsuo Kitamura, Hiroshi Nakayama, Yohei Doi +4 more | 2011-04-12 |
| 7917075 | Fixing device | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2011-03-29 |
| 7894735 | Fixing device of image forming apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2011-02-22 |
| 7881625 | Fixing device with non-contact temperature sensor and contact temperature sensor | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2011-02-01 |
| 7835681 | Induction heating device and induction heat fixing device | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-11-16 |
| 7826785 | Fixing device having an induction heating control member | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-11-02 |
| 7792450 | Fixing device for image forming apparatus and control method thereof | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-09-07 |
| 7792445 | Drive detection device for fixing device | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda, Tetsuo Kitamura, Hiroshi Nakayama +4 more | 2010-09-07 |
| 7787790 | Fixing apparatus and image forming apparatus | Yoshinori Tsueda, Osamu Takagi, Toshihiro Sone | 2010-08-31 |
| 7787789 | Fixing device for image forming apparatus | Hiroshi Nakayama, Yohei Doi, Tetsuo Kitamura, Osamu Takagi, Yoshinori Tsueda +4 more | 2010-08-31 |
| 7778564 | Fixing device and fixing method of image forming apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2010-08-17 |
| 7769335 | Fixing apparatus | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-08-03 |
| 7751740 | Fixing device of image forming apparatus | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-07-06 |
| 7725067 | Heat roller, fixing apparatus | Yoshinori Tsueda, Osamu Takagi, Toshihiro Sone | 2010-05-25 |
| 7675010 | Fixing apparatus | Osamu Takagi | 2010-03-09 |
| 7672632 | Fixing apparatus using induction heating system for image forming apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda, Tetsuo Kitamura, Hiroshi Nakayama +4 more | 2010-03-02 |
| 7660554 | Heat fixing device | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2010-02-09 |
| 7653323 | Fixing apparatus and image processing apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2010-01-26 |
| 7641385 | Heating apparatus, heating apparatus control method and noncontact thermal sensing device | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2010-01-05 |
| 7623802 | Fixing device for image forming apparatus to control power of heating source | Osamu Takagi, Yoshinori Tsueda, Toshihiro Sone | 2009-11-24 |
| 7623804 | Fixing device of image forming apparatus | Toshihiro Sone, Osamu Takagi, Yoshinori Tsueda | 2009-11-24 |