Inventor
MOCHIMARU HIDEAKI
JP37 patents
Patents
37 patentsUS6801742B1Oct 5, 2004
Method and apparatus for producing duplex prints and image forming system using the same
RICOH KK81 citations96
US4757344AJul 12, 1988
Imaging apparatus with detachable cartridges
RICOH KK73 citations96
US4987446AJan 22, 1991
Process unit cartridge for an electrophotographic apparatus
RICOH KK60 citations95
US4703334AOct 27, 1987
Optical recording head and belt positioning apparatus
RICOH KK79 citations95
US4875063AOct 17, 1989
Electrostatic recording apparatus
RICOH KK58 citations94
US7061637B2Jun 13, 2006
Method and apparatus for image forming capable of effectively collating a stack of single-/double-sided recording sheets in a desired ejection tray
RICOH KK24 citations92
US6941094B2Sep 6, 2005
Image forming apparatus receiving alternative devices, at least one of which includes an intermediary transfer member
RICOH KK18 citations92
US6728505B2Apr 27, 2004
Recording medium supporting member, recording medium conveying device for use in image forming apparatus and image forming system, and image forming method
RICOH KK21 citations92
US6643489B2Nov 4, 2003
Image forming apparatus and method
RICOH KK28 citations92
US6633733B2Oct 14, 2003
Method and apparatus for printing an appropriate image even on a special recording medium
RICOH KK49 citations92
US6584295B2Jun 24, 2003
Method and apparatus for forming an image in a duplex print mode
RICOH KK26 citations92
US6574448B2Jun 3, 2003
Image forming apparatus and method for improving image quality of double sided prints
RICOH KK24 citations92
US5615872AApr 1, 1997
Detachable duplex copying unit for an image forming apparatus
RICOH KK43 citations92
US4753543AJun 28, 1988
Electrostatic printing apparatus with heated adjustable pressure toner fixing rolls
RICOH KK47 citations92
US4605299AAug 12, 1986
Image forming apparatus with sized processing kits
RICOH KK41 citations92
US4535982AAug 20, 1985
Sheet feeding cassette latching system
RICOH KK37 citations92
US6151057ANov 21, 2000
Optically controlled image forming apparatus and method
RICOH KK33 citations86
US7003251B2Feb 21, 2006
Image forming method having transfer temperature difference and apparatus for the same
RICOH KK12 citations84
US6985687B2Jan 10, 2006
Image forming apparatus and image forming system including the same
RICOH KK11 citations84
US6983117B2Jan 3, 2006
Image forming apparatus configured for double sided printing
RICOH KK12 citations84
US6741825B2May 25, 2004
Image forming apparatus and method
RICOH KK19 citations84
US6608985B2Aug 19, 2003
Image-forming apparatus and method for image recording on two sides of a medium using a positioning mark
RICOH KK18 citations84
US7277662B2Oct 2, 2007
Belt member, belt driving unit, and image forming apparatus
RICOH KK9 citations74
US7020432B2Mar 28, 2006
Recording medium supporting member, recording medium conveying device for use in image forming apparatus and image forming system, and image forming method
RICOH KK6 citations74
US6898408B2May 24, 2005
Image forming apparatus operable in a duplex print mode
RICOH KK4 citations74
US6898398B2May 24, 2005
Apparatus for image forming on both sides of a recording medium and image forming method, and image carrier for the same
RICOH KK9 citations74
US5089855AFeb 18, 1992
Image forming apparatus which forms image by electrophotography
RICOH KK19 citations74
US4105326AAug 8, 1978
Electrophotographic copying machines of variable magnification
RICOH KK19 citations74
US4056320ANov 1, 1977
Copying machine
RICOH KK18 citations70
US7526240B2Apr 28, 2009
Image forming apparatus including a plurality of photoconductive elements developing devices and mirrors
RICOH KK2 citations63
US7346295B2Mar 18, 2008
Belt member and belt device using the same
RICOH KK4 citations63
US7295795B2Nov 13, 2007
Image forming apparatus and an impurity collecting device associated with registration rollers
RICOH KK4 citations63
US7221895B2May 22, 2007
Image forming apparatus and belt unit therefor, and image forming system
RICOH KK5 citations63
US7197269B2Mar 27, 2007
Method, system and apparatus for transferring toner images to both sides of a recording medium
RICOH KK5 citations63
US7027762B2Apr 11, 2006
Image forming apparatus operable in a duplex print mode
RICOH KK2 citations63
US7206540B2Apr 17, 2007
Image forming apparatus operable in a duplex print mode
RICOH KK0 citations52
US7369147B2May 6, 2008
Image forming apparatus and control method thereof
RICOH KK0 citations42