Inventor
SHIMADA KAZUYUKI
JP78 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA KAZUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
41 patentsUS6400917B2Jun 4, 2002
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK82 citations99
US7050082B2May 23, 2006
Image forming system employing effective optical scan-line control device
RICOH KK67 citations98
US6236820B1May 22, 2001
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK75 citations97
US6906739B2Jun 14, 2005
Optical scanner and imaging apparatus using the same
RICOH KK65 citations96
US6768886B2Jul 27, 2004
Image forming apparatus
RICOH KK28 citations96
US6760557B2Jul 6, 2004
Image forming apparatus
RICOH KK19 citations96
US6697588B2Feb 24, 2004
Image forming apparatus
RICOH KK35 citations96
US6686946B2Feb 3, 2004
Density unevenness suppressing image forming apparatus and method
RICOH KK106 citations96
US6580887B2Jun 17, 2003
Image forming apparatus including structural members between consecutive optical writing devices
RICOH KK32 citations96
US6466754B2Oct 15, 2002
Image forming apparatus for reducing banding caused by vibration of stacked image forming cartridges
RICOH KK40 citations96
US4856011AAug 8, 1989
Semiconductor laser control circuit
RICOH KK88 citations96
US4853710AAug 1, 1989
Imaging by laser beam scanning
RICOH KK59 citations95
US4703334AOct 27, 1987
Optical recording head and belt positioning apparatus
RICOH KK79 citations95
US7286786B2Oct 23, 2007
Image forming method and apparatus including dismountable cartridges
RICOH KK10 citations93
US7110016B2Sep 19, 2006
Optical scanner and imaging apparatus using the same
RICOH KK20 citations93
US7050739B2May 23, 2006
Image forming apparatus with horizontal structural members
RICOH KK15 citations93
US6819892B2Nov 16, 2004
Electrophotographic image forming apparatus including air conditioning means for removing harmful substances
RICOH KK42 citations93
US4862289AAug 29, 1989
Pixel density variable image apparatus
RICOH KK46 citations93
US7532227B2May 12, 2009
Optical scanner and image forming apparatus
RICOH KK37 citations92
US7206014B2Apr 17, 2007
Multi-beam pitch adjusting apparatus and image forming apparatus
RICOH KK18 citations92
US5107278AApr 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
US4953171AAug 28, 1990
Semiconductor laser source unit
RICOH KK39 citations92
US4899348AFeb 6, 1990
Method and apparatus for controlling optical output of laser light source
RICOH KK23 citations92
US4717925AJan 5, 1988
Optical scanner without extra convergent lens
RICOH KK38 citations92
US4663760AMay 5, 1987
Semiconductor laser output control device
RICOH KK36 citations92
US4926433AMay 15, 1990
Semiconductor laser unit
RICOH KK24 citations91
US4977414ADec 11, 1990
Image forming apparatus
RICOH KK29 citations90
US4918462AApr 17, 1990
Method and apparatus for driving a solid scan type recording head
RICOH KK25 citations90
US5557707ASep 17, 1996
Image forming apparatus with a scanner and method of controlling the same
RICOH KK31 citations89
US4835780AMay 30, 1989
Semiconductor laser output control circuit
RICOH KK51 citations89
US4763334AAug 9, 1988
Laser beam emitting apparatus
RICOH KK38 citations89
US7525561B2Apr 28, 2009
Optical scanner and image forming apparatus
RICOH KK8 citations84
US6690404B2Feb 10, 2004
Image forming apparatus and method for changeable image forming modes between a single color mode and a multiple color mode
RICOH KK20 citations84
US7139509B2Nov 21, 2006
Image forming apparatus including image transfer belt conveying a recording medium upward
RICOH KK7 citations82
US6980757B2Dec 27, 2005
Image forming apparatus with beam slots
RICOH KK10 citations82
US6917775B2Jul 12, 2005
Dismountable image forming cartridge, and a corresponding image forming apparatus and method
RICOH KK9 citations82
US7801462B2Sep 21, 2010
Image forming apparatus having a plurality of photoconductive elements, a plurality of optical writing devices and a stay
RICOH KK4 citations74
US7460145B2Dec 2, 2008
Multi-beam pitch adjusting apparatus and image forming apparatus
RICOH KK7 citations74
US7457562B2Nov 25, 2008
Image forming apparatus with image forming cartridges arranged one above another
RICOH KK5 citations74
US5128699AJul 7, 1992
Image recording apparatus capable of changing dot density and dot size
RICOH KK18 citations74
ASAHI INTECC CO LTD
1 patentHONDA MOTOR CO LTD
1 patentASAHI INTELL CO LTD
1 patentRIOCH CO LTD
1 patentRICOH CO LTD
1 patentSHIMADA KAZUYUKI
1 patentHITACHI LTD
1 patentMOCHIDA PHARM CO LTD
1 patentSHARP KK
1 patentShowing the top 50 of 78 patents by PatentIndex Score.