Inventor
TAKANASHI KENICHI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “TAKANASHI KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
31 patentsUS6400391B1Jun 4, 2002
Optical scanning lens, optical scanning device and image forming apparatus
RICOH KK132 citations99
US6185026B1Feb 6, 2001
Multi-beam scanning apparatus
RICOH KK111 citations98
US6839157B2Jan 4, 2005
Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch
RICOH KK54 citations96
US6744545B2Jun 1, 2004
Optical scanning lens, optical scanning device and image forming apparatus
RICOH KK37 citations96
US6657761B2Dec 2, 2003
Optical scanning device, image forming apparatus, and optical scanning method
RICOH KK44 citations96
US6317246B1Nov 13, 2001
Multi-beam scanning apparatus
RICOH KK68 citations96
US6233081B1May 15, 2001
Optical scanning device, image forming apparatus and optical scanning method
RICOH KK62 citations96
US5459601AOct 17, 1995
Optical scanner for reducing shading
RICOH KK66 citations95
US5355244AOct 11, 1994
Optical scanner for reducing shading
RICOH KK68 citations95
US6856438B2Feb 15, 2005
Optical scanning lens and apparatus capable of effectively generating accurately-pitched light spots, and image forming apparatus using the same
RICOH KK28 citations93
US6833940B2Dec 21, 2004
Method and apparatus for optical scanning capable of performing a high speed and high pixel density scanning
RICOH KK27 citations93
US4932734AJun 12, 1990
Optical scanning system using a laser diode array
RICOH KK32 citations93
US7072127B2Jul 4, 2006
Optical scanning lens, optical scanning device and image forming apparatus
RICOH KK17 citations92
US6870652B2Mar 22, 2005
Optical scanning lens, optical scanning device and image forming apparatus
RICOH KK21 citations92
US5757532AMay 26, 1998
Optical scanner
RICOH KK19 citations92
US4971411ANov 20, 1990
Optical scanning system
RICOH KK38 citations92
US4756584AJul 12, 1988
Scanning optical system with irregular deflecting surface correction
RICOH KK35 citations92
US5161047ANov 3, 1992
Optical scanner for image recording apparatus
RICOH KK28 citations91
US5771115AJun 23, 1998
Optical scanner
RICOH KK19 citations84
US4863227ASep 5, 1989
Light scanning device
RICOH KK20 citations82
US4779964AOct 25, 1988
Zoom lens with a mechanism for moving a first lens so as to be compactly housed
RICOH KK22 citations82
US7006270B2Feb 28, 2006
Optical scanning device, image forming apparatus, and optical scanning method
RICOH KK6 citations74
US5247385ASep 21, 1993
Fθ lens and lens for forming linear image
RICOH KK12 citations74
US5087983AFeb 11, 1992
Light scanning device
RICOH KK8 citations74
US5029956AJul 9, 1991
Optical scanner
RICOH KK15 citations74
US4962982AOct 16, 1990
Light beam scanning device and light beam scanning lens
RICOH KK15 citations74
US4859011AAug 22, 1989
Light scanning device
RICOH KK8 citations74
US4846539AJul 11, 1989
Fθ lens system for use in light scanning device
RICOH KK12 citations74
US4836630AJun 6, 1989
Optical scanning system having a surface inclination correction function
RICOH KK16 citations74
US4707085ANov 17, 1987
Fθ lens for use in light beam scanner
RICOH KK17 citations74
US6862123B2Mar 1, 2005
Optical scanning device, image forming apparatus, and optical scanning method
RICOH KK4 citations63