Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7228084 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hiroshi Nakayama, Osamu Takagi +3 more | 2007-06-05 |
| 7062193 | Fixing device that is detachable from an image forming apparatus | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hiroshi Nakayama, Kenji Takano +3 more | 2006-06-13 |
| 6813456 | Fixing device | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hiroshi Nakayama, Kenji Takano +3 more | 2004-11-02 |
| 6748184 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hiroshi Nakayama, Osamu Takagi +3 more | 2004-06-08 |
| 6660979 | Fixing device including an electromagnetic inductive coil member providing inductive heating | Osamu Takagi, Satoshi Kinouchi, Kazuhiko Kikuchi, Hiroshi Nakayama, Kenji Takano +3 more | 2003-12-09 |
| 6625405 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hiroshi Nakayama, Osamu Takagi +3 more | 2003-09-23 |
| 6522846 | Fixing device having connection member for supplying AC current to an electromagnetic induction coil | Satoshi Kinouchi, Osamu Takagi, Kazuhiko Kikuchi, Hiroshi Nakayama, Kenji Takano +3 more | 2003-02-18 |
| 6507008 | Image forming apparatus and fixing device for fixing a toner image to a fixing device | Hiroshi Nakayama, Kenji Takano, Taizo Kimoto, Noriyuki Umezawa, Osamu Takagi +3 more | 2003-01-14 |
| 6498906 | Image forming apparatus having fixing device for fixing developer image on recording medium by induction-heating heat roller | Taizo Kimoto, Hiroshi Nakayama, Kenji Takano, Noriyuki Umezawa, Osamu Takagi +3 more | 2002-12-24 |
| 6495810 | Fixing device using induction heating as a heating source | Osamu Takagi, Satoshi Kinouchi, Kazuhiko Kikuchi, Hiroshi Nakayama, Kenji Takano +3 more | 2002-12-17 |
| 6496665 | Image forming apparatus and fixing device | Noriyuki Umezawa, Taizo Kimoto, Kenji Takano, Hiroshi Nakayama, Osamu Takagi +3 more | 2002-12-17 |
| 6466751 | Image forming apparatus having a controller for controlling paper feed intervals | — | 2002-10-15 |
| 6427056 | Image forming apparatus having a fixing device for fixing developer image on recording medium by subjecting heat roller to induction heating | Hiroshi Nakayama, Kenji Takano, Taizo Kimoto, Noriyuki Umezawa, Osamu Takagi +3 more | 2002-07-30 |
| 6405014 | Fixing device for fixing a developer image on a recording medium by induction-heating a heat roller | Kenji Takano, Taizo Kimoto, Noiryuki Umezawa, Hiroshi Nakayama, Osamu Takagi +3 more | 2002-06-11 |
| 5012286 | Image forming apparatus having device for detecting concentration of developing agent | Yasufumi Tanimoto, Kouji Ishida | 1991-04-30 |
| 4985736 | Image forming apparatus | Yasufumi Tanimoto | 1991-01-15 |