Inventor
HAGIHARA HIDEAKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HAGIHARA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
21 patentsUS5398098AMar 14, 1995
Image forming apparatus
SHARP KK78 citations96
US4849791AJul 18, 1989
Waste toner collecting system
SHARP KK66 citations96
US4952989AAug 28, 1990
Photoreceptor attachment device for an electrophotographic copying machine
SHARP KK76 citations95
US6212338B1Apr 3, 2001
Image forming device with communication to supplementary toner container
SHARP KK65 citations94
US5915691AJun 29, 1999
Document feeder and cover for an image forming apparatus
SHARP KK41 citations92
US5624107AApr 29, 1997
Image forming apparatus with a document feeder
SHARP KK24 citations92
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
US5440376AAug 8, 1995
Electrophotographic apparatus
SHARP KK31 citations92
US5393044AFeb 28, 1995
Paper feeder
SHARP KK23 citations92
US4998140AMar 5, 1991
Developing device for copier with sealing means
SHARP KK40 citations92
US4970557ANov 13, 1990
Electrophotographic apparatus controlling image quality according to condition of deterioration
SHARP KK48 citations92
US4650097AMar 17, 1987
Developer material supply arrangement
SHARP KK30 citations92
US4579328AApr 1, 1986
Copy paper feeding device for electrophotographic copying machine
SHARP KK29 citations86
US4440280AApr 3, 1984
Spring clutch mechanism
SHARP KK13 citations74
US6628910B2Sep 30, 2003
Toner cartridge for image forming apparatus
SHARP KK9 citations73
US6311025B1Oct 30, 2001
Interchangeable part recognizing apparatus and image forming apparatus
SHARP KK11 citations73
US5576820ANov 19, 1996
Xerographic apparatus with a detachable corona charger
SHARP KK17 citations73
US5194900AMar 16, 1993
Developer cartridge having easily removable sealing material
SHARP KK9 citations73
US5175587ADec 29, 1992
Developing apparatus having a detachable developer cartridge
SHARP KK14 citations71
US4914481AApr 3, 1990
Developing apparatus
SHARP KK7 citations71
US4920026AApr 24, 1990
Image formation method and apparatus using light and pressure sensitive sheets
SHARP KK3 citations62