Inventor
TAGOKU IZUMI
JP8 patents
Patents
8 patentsUS4592651AJun 3, 1986
Copier with bookbinding function
RICOH KK88 citations96
US4837071AJun 6, 1989
Information display medium
RICOH KK62 citations94
US4640611AFeb 3, 1987
Copying method for bookbinding
RICOH KK36 citations92
US4745282AMay 17, 1988
Ventilated corona charging
RICOH KK39 citations91
US4628017ADec 9, 1986
Electrostatic image forming method
RICOH KK18 citations72
US4588285AMay 13, 1986
Residual toner collecting device for electrophotographic copier
RICOH KK15 citations72
US4556311ADec 3, 1985
Electrophotographic copying apparatus
RICOH KK15 citations72
US5144521ASep 1, 1992
Discharging member and charging device using the same
RICOH KK5 citations61