Inventor
NAGAHARA YASUMORI
12 patents
Patents
12 patentsUS7110700B2Sep 19, 2006
Belt driving controller, process cartridge, and image forming apparatus
RICOH KK22 citations92
US5646749AJul 8, 1997
Color image forming apparatus
RICOH KK20 citations92
US4231653ANov 4, 1980
Oil supply apparatus
RICOH KK50 citations89
US4951160AAug 21, 1990
Image reproducing apparatus
RICOH KK20 citations81
US4297021AOct 27, 1981
Powder material transportation apparatus
RICOH KK25 citations80
US4045134AAug 30, 1977
Photosensitive member for use in electrophotographic apparatus and method of manufacturing the same
RICOH KK11 citations74
US3997790ADec 14, 1976
Apparatus for heat-fixing a toner image
RICOH KK12 citations74
US4299475ANov 10, 1981
Scanning method and apparatus applicable to variable magnification copying machines
RICOH KK7 citations73
US3941472AMar 2, 1976
Photosensitive drum for electrophotographic copying machines
RICOH KK17 citations73
US4350750ASep 21, 1982
Electrophotographic process
RICOH KK10 citations71
US3970383AJul 20, 1976
Apparatus for color electrophotography
RICOH KK16 citations64
US4421405ADec 20, 1983
Multiple mode copying apparatus
RICOH KK5 citations62