Inventor
KAWAHITO HIROSHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KAWAHITO HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
18 patentsUSD464369SOct 15, 2002
Toner cartridge
SHARP KK28 citations92
USD464370SOct 15, 2002
Toner cartridge
SHARP KK20 citations92
USD463817SOct 1, 2002
Developing unit for an image forming apparatus
SHARP KK25 citations92
US5619312AApr 8, 1997
Developing device with developer-supplying mechanism
SHARP KK42 citations89
US7542704B2Jun 2, 2009
Toner carrier apparatus, toner feeding apparatus, and image forming apparatus
SHARP KK12 citations84
US6360066B1Mar 19, 2002
Developing apparatus having stirring shafts with elliptic stirring vanes
SHARP KK19 citations84
US6628910B2Sep 30, 2003
Toner cartridge for image forming apparatus
SHARP KK9 citations73
USD468763SJan 14, 2003
Sensitive drum cartridge for an image forming apparatus
SHARP KK10 citations73
US5175587ADec 29, 1992
Developing apparatus having a detachable developer cartridge
SHARP KK14 citations71
US7805096B2Sep 28, 2010
Toner conveying device, toner supply device and image forming apparatus using these
SHARP KK5 citations63
US7627274B2Dec 1, 2009
Toner conveying device, toner supply device and image forming apparatus using these
SHARP KK3 citations63
US10551794B2Feb 4, 2020
Developing device including exhaust duct and filter and image forming apparatus including developing device
SHARP KK1 citations62
US7925182B2Apr 12, 2011
Image forming apparatus
SHARP KK6 citations62
US7505711B2Mar 17, 2009
Waste developer collecting device and image forming apparatus provided therewith
SHARP KK3 citations62
US7502576B2Mar 10, 2009
Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same
SHARP KK4 citations62
US7440717B2Oct 21, 2008
Developing apparatus and image forming apparatus with toner supply portion opening/closing mechanism
SHARP KK3 citations62
US5243389ASep 7, 1993
Toner hopper having stirring and feeding rollers
SHARP KK6 citations60
US10788786B2Sep 29, 2020
Image forming apparatus
SHARP KK0 citations41