Inventor
YAMASA HIDEO
JP12 patents
Patents
12 patentsUS6025859AFeb 15, 2000
Electrostatic printer having an array of optical modulating grating valves
SHARP KK65 citations96
US5592270AJan 7, 1997
Developing device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developer
SHARP KK38 citations92
US5548385AAug 20, 1996
Developer device that gradually replaces degraded developer with fresh developer
SHARP KK25 citations92
US5430532AJul 4, 1995
Developing device with a tilt detecting function designed for a trickle system
SHARP KK32 citations92
US5572300ANov 5, 1996
Developing device containing for storing developer having zoner and carrier
SHARP KK10 citations74
US5471283ANov 28, 1995
Device for preventing breakdown of contact charger for use in electrophotographic printing machine
SHARP KK12 citations73
US5629726AMay 13, 1997
Image forming apparatus with electrostatically controlled developer particle manipulation
SHARP KK12 citations72
US6049345AApr 11, 2000
Image forming apparatus selectively charging toner using doctor blade
SHARP KK10 citations71
US5459555AOct 17, 1995
Electronic image forming apparatus
SHARP KK7 citations71
US5598252AJan 28, 1997
Electronic image forming apparatus with reduced residual carrier and toner attraction
SHARP KK2 citations60
US6084614AJul 4, 2000
Method and apparatus for forming an image using flying developing particles
SHARP KK1 citations51
US6097410AAug 1, 2000
Method and apparatus for forming an image on a recording medium wherein ink emission is accurately controlled by varying the surface level of chargeable developer ink
SHARP KK0 citations40