Inventor
NISHIYAMA KAZUSHIGE
JP12 patents
Patents
12 patentsUS7027746B2Apr 11, 2006
Image forming apparatus including a plurality of developing devices with a toner density detecting feature
CANON KK22 citations92
US7010237B2Mar 7, 2006
Image forming apparatus with residual toner replenishing feature based on two detection results
CANON KK28 citations92
US6430384B2Aug 6, 2002
Developer-carrying member having exposed surface containing graphite or molybdenum disulfide particles
CANON KK26 citations92
US7039344B2May 2, 2006
Developing apparatus including first and second developer chambers and feeding member disposed in the second developer chamber for regulating a developer level
CANON KK27 citations91
US6269235B1Jul 31, 2001
Developing apparatus featuring first and second developer bearing members each including a non-negative member and a coating member covering the non-negative member
CANON KK25 citations91
US7512348B2Mar 31, 2009
Image forming apparatus with a toner replenishment feature
CANON KK12 citations84
US5965329AOct 12, 1999
Method of manufacturing a developing agent bearing member
CANON KK13 citations73
US6959163B2Oct 25, 2005
Developing device featuring three magnetic poles for generating three magnetic forces
CANON KK7 citations72
US6501492B1Dec 31, 2002
Image forming apparatus for outputting image in response to digital image signal
CANON KK2 citations62
US7460801B2Dec 2, 2008
Image forming apparatus with control of power distribution to heat fixing device
CANON KK6 citations61
US6408150B1Jun 18, 2002
Developing apparatus featuring first and second developer bearing members and first and second magnetic seal portions
CANON KK5 citations61
US9316949B2Apr 19, 2016
Particle adhesion preventing member, electric field forming member, and image forming apparatus
CANON KK0 citations40