Inventor
NAGAYAMA HARUHIKO
8 patents
Patents
8 patentsUS4872091AOct 3, 1989
Memory cartridge
RICOH KK155 citations98
US4547059AOct 15, 1985
Image-transfer-type electrostatic recording apparatus
RICOH KK45 citations92
US4674858AJun 23, 1987
Photoconductive element unit for laser printer or the like
RICOH KK27 citations91
US4364059ADec 14, 1982
Ink jet printing apparatus
RICOH KK36 citations91
US4483607ANov 20, 1984
Recording system
RICOH KK24 citations81
US4575219AMar 11, 1986
Dry process developing apparatus having detachable screening member for developing unit
RICOH KK10 citations73
US4346389AAug 24, 1982
Multiple charge electrode device for liquid jet printer
RICOH KK14 citations72
US4338612AJul 6, 1982
Multiple deflection plate device for liquid jet printer or the like
RICOH KK8 citations72