Inventor
NIITO YOSHIHARU
JP7 patents
Patents
7 patentsUS5107278AApr 21, 1992
Image forming apparatus
RICOH KK23 citations92
US5019913AMay 28, 1991
Recording apparatus having control data selectively designated in memory which corresponds to one of multiple optical scanning systems
RICOH KK22 citations92
US6603116B2Aug 5, 2003
Method and apparatus for image forming with multiple laser beams
RICOH KK31 citations90
US4977414ADec 11, 1990
Image forming apparatus
RICOH KK29 citations90
US6147776ANov 14, 2000
Apparatus for controlling a scanning speed of an image scanner
RICOH KK17 citations81
US5035198AJul 30, 1991
Toner end detection apparatus using ultrasonic sensor
RICOH KK19 citations71
US7626722B2Dec 1, 2009
Image recording apparatus
RICOH KK1 citations50