Inventor
DOMON AKIRA
JP11 patents
Patents
11 patentsUS5649264AJul 15, 1997
Developing unit having optical detection of a residual quantity of developer in a developer container
CANON KK65 citations96
US6272306B1Aug 7, 2001
Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships
CANON KK22 citations92
US6167212ADec 26, 2000
Development density adjusting method for image forming apparatus
CANON KK22 citations92
US5682574AOct 28, 1997
Developing apparatus having reciprocating cleaning device for photodetector
CANON KK42 citations92
US5589918ADec 31, 1996
Process cartridge, assembling method therefor and electrophotographic apparatus
CANON KK51 citations92
US6532030B2Mar 11, 2003
Process cartridge, image forming apparatus, and image forming method
CANON KK22 citations91
US6035150AMar 7, 2000
Developing apparatus for judging residual amount of developing agent using detection member moving at predetermined cycle
CANON KK14 citations73
US6026253AFeb 15, 2000
Electrophotographic image forming apparatus and a developing unit and a process cartridge mountable to a main body thereof each including a portion for detecting the remaining amount of a developing agent contained in the developing unit
CANON KK14 citations73
US6686942B2Feb 3, 2004
Memory device for an image forming apparatus storing characteristics information about a process cartridge detachably attachable to the apparatus
CANON KK5 citations72
US6559875B2May 6, 2003
Image forming apparatus with pixel density based light beam control
CANON KK4 citations62
US6052544AApr 18, 2000
Image forming apparatus using specific electric field to transfer strontium titanate-containing developer to a drum
CANON KK4 citations62