Inventor
MIZUMA KENICHI
JP12 patents
Patents
12 patentsUS4933727AJun 12, 1990
Color recording apparatus
RICOH KK72 citations96
US5121170AJun 9, 1992
Device for transporting sheet members using an alternating voltage
RICOH KK72 citations95
US6057869AMay 2, 2000
Image forming apparatus for fixing a toner image at a first speed or at a second speed
RICOH KK22 citations92
US6005673ADec 21, 1999
Facsimile machine and facsimile communication system
RICOH KK22 citations92
US4426073AJan 17, 1984
Apparatus for aligning a paper sheet with a reference line
RICOH KK53 citations92
US4247193AJan 27, 1981
Electrostatic copying machine comprising jam sensors
RICOH KK36 citations92
US5160969ANov 3, 1992
Image forming apparatus having a separate black developer stored for a color image
RICOH KK52 citations91
US4372547AFeb 8, 1983
Sheet feed apparatus
RICOH KK21 citations82
US4379549AApr 12, 1983
Sheet paper stacking apparatus
RICOH KK23 citations81
US5132733AJul 21, 1992
Image forming apparatus having a plurality of developing unit
RICOH KK16 citations73
US4456238AJun 26, 1984
Duplex tray for duplex copying machine and the like
RICOH KK17 citations73
US4153242AMay 8, 1979
Sheet feed apparatus
RICOH KK10 citations73