Patent | Date |
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Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing roller Grant 7,187,900 - Fuma , et al. March 6, 2 | 2007-03-06 |
Image forming apparatus having a heat belt Grant 7,187,894 - Fuma March 6, 2 | 2007-03-06 |
Pressure applying device to fixing roller of image forming apparatus Grant 7,050,747 - Fuma , et al. May 23, 2 | 2006-05-23 |
Image forming apparatus Grant 7,046,950 - Fuma , et al. May 16, 2 | 2006-05-16 |
Image forming apparatus that controls a fixing device to fix a toner image onto paper with improved productivity Grant 7,010,240 - Fuma , et al. March 7, 2 | 2006-03-07 |
Image forming apparatus App 20050226660 - Fuma, Hiroshi | 2005-10-13 |
Image forming apparatus and fixing device App 20050111862 - Fuma, Hiroshi ;   et al. | 2005-05-26 |
Image forming apparatus having fixing device App 20050100372 - Fuma, Hiroshi | 2005-05-12 |
Fixing device controlling method, fixing device, and image forming apparatus for forming fixed images of desired glossiness Grant 6,795,681 - Onodera , et al. September 21, 2 | 2004-09-21 |
Image forming apparatus App 20040179876 - Fuma, Hiroshi ;   et al. | 2004-09-16 |
Pressure applying device to fixing roller of image forming apparatus Grant 6,782,231 - Fuma , et al. August 24, 2 | 2004-08-24 |
Pressure applying device to fixing roller of image forming apparatus App 20040156660 - Fuma, Hiroshi ;   et al. | 2004-08-12 |
Image forming apparatus App 20040042809 - Fuma, Hiroshi ;   et al. | 2004-03-04 |
Fixing unit and image forming apparatus Grant 6,650,863 - Fuma November 18, 2 | 2003-11-18 |
Fixing device controlling method, fixing device, and image forming apparatus equipped with the fixing device App 20030091360 - Onodera, Masahiro ;   et al. | 2003-05-15 |
Fixing device and image forming apparatus App 20020176724 - Fuma, Hiroshi ;   et al. | 2002-11-28 |
Fixing unit and image forming apparatus App 20020118982 - Fuma, Hiroshi | 2002-08-29 |
Image fixing device and image forming apparatus equipped therewith App 20020118983 - Fuma, Hiroshi ;   et al. | 2002-08-29 |
Method of forming a multicolor toner image on a photoreceptor and transferring the formed image to a recording sheet Grant 5,459,563 - Fuma , et al. October 17, 1 | 1995-10-17 |
Image forming apparatus having controlled transfer unit Grant 5,300,984 - Fuma , et al. April 5, 1 | 1994-04-05 |
Image forming apparatus Grant 5,153,653 - Fuma , et al. October 6, 1 | 1992-10-06 |
Image forming apparatus Grant 5,054,419 - Itaya , et al. October 8, 1 | 1991-10-08 |
Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles Grant 4,908,291 - Fuma , et al. March 13, 1 | 1990-03-13 |
Apparatus and method for controlling color dot size in multicolor image Grant 4,814,797 - Haneda , et al. March 21, 1 | 1989-03-21 |
Developer layer forming apparatus Grant 4,814,818 - Fuma , et al. March 21, 1 | 1989-03-21 |
Image forming apparatus Grant 4,669,864 - Shoji , et al. June 2, 1 | 1987-06-02 |