Inventor
MASUDA JITSUO
JP22 patents
Patents
22 patentsUS6389260B1May 14, 2002
Tandem type color image forming device
SHARP KK63 citations95
US6405009B1Jun 11, 2002
Image forming apparatus including system for recycling toner
SHARP KK20 citations92
US6353720B1Mar 5, 2002
Image developing device using a toner as a developer
SHARP KK26 citations92
US5826136AOct 20, 1998
Image stabilizing method for use in an image forming apparatus
SHARP KK19 citations92
US5708915AJan 13, 1998
Image-quality stabilizer for use in an electrophotographic apparatus
SHARP KK25 citations92
US5333037AJul 26, 1994
Image-quality stabilizer for an electrophotographic apparatus
SHARP KK30 citations92
US4970557ANov 13, 1990
Electrophotographic apparatus controlling image quality according to condition of deterioration
SHARP KK48 citations92
US6035168AMar 7, 2000
Developing device having a reduced width in the horizontal direction
SHARP KK32 citations91
US5923922AJul 13, 1999
Image forming apparatus with flying toner detecting device
SHARP KK22 citations90
US5839018ANov 17, 1998
Toner density control for an image forming apparatus
SHARP KK39 citations90
US6308018B1Oct 23, 2001
Image forming apparatus
SHARP KK18 citations84
US6678482B2Jan 13, 2004
Image forming apparatus and method for determining suitability of replaceable component
SHARP KK14 citations83
US6459867B2Oct 1, 2002
Developing apparatus
SHARP KK13 citations74
US5734948AMar 31, 1998
Image stabilizer
SHARP KK11 citations73
US5381212AJan 10, 1995
Photoreceptor for electrophotography
SHARP KK9 citations73
US6339686B2Jan 15, 2002
Developer unit with cleaning element
SHARP KK13 citations72
US5923920AJul 13, 1999
Image forming apparatus for controlling processing conditions in image forming process by detection of tiner patch density formed on photoreceptor surface
SHARP KK12 citations72
US4935777AJun 19, 1990
Method of stabilizing surface potential of photoreceptor for electrophotography
SHARP KK17 citations71
US5133283AJul 28, 1992
Developer unit
SHARP KK5 citations63
US7257336B2Aug 14, 2007
Developing device, image forming device equipped therewith, and developing density adjusting method
SHARP KK6 citations62
US4962408AOct 9, 1990
Device for removing defective developer agent from a developing unit of an image formation apparatus
SHARP KK4 citations62
US7729653B2Jun 1, 2010
Image forming apparatus capable of cleaning a photoreceptor, method for cleaning a photoreceptor, and computer program for causing an image forming apparatus to clean a photoreceptor
SHARP KK4 citations61