Inventor
ARAI NORIKAZU
JP43 patents
⚠️ This page may combine multiple inventors who share the name “ARAI NORIKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
28 patentsUS6870805B1Mar 22, 2005
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONISHIROKU PHOTO IND85 citations99
US6950384B2Sep 27, 2005
Optical pickup appratus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONISHIROKU PHOTO IND39 citations96
US6192021B1Feb 20, 2001
Optical pickup apparatus
KONISHIROKU PHOTO IND56 citations93
US6061324AMay 9, 2000
Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
KONISHIROKU PHOTO IND27 citations93
US6671247B1Dec 30, 2003
Optical pick-up apparatus, optical element, and objective lens having diffracting section
KONISHIROKU PHOTO IND46 citations92
US6411587B1Jun 25, 2002
Optical pickup optical system, optical pickup apparatus, coupling optical system, coupling optical system lens and recording/reproduction apparatus
KONISHIROKU PHOTO IND21 citations92
US6366542B1Apr 2, 2002
Optical pickup apparatus and objective lens
KONISHIROKU PHOTO IND50 citations92
US6049519AApr 11, 2000
Optical system for recording and reproducing for use in optical information recording medium
KONISHIROKU PHOTO IND25 citations92
US4909616AMar 20, 1990
Optical system for recording and reproducing an optical information medium
KONISHIROKU PHOTO IND26 citations92
US4449792AMay 22, 1984
Large-aperture single lens with aspherical surfaces
KONISHIROKU PHOTO IND38 citations92
US5475537ADec 12, 1995
Optical system for use in recording and reading information on an optical information medium
KONISHIROKU PHOTO IND34 citations89
US6728042B2Apr 27, 2004
Optical pick-up device and objective lens used therein
KONISHIROKU PHOTO IND13 citations84
US6118749ASep 12, 2000
Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
KONISHIROKU PHOTO IND14 citations82
US6243349B1Jun 5, 2001
Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
KONISHIROKU PHOTO IND6 citations74
US6052355AApr 18, 2000
Optical pickup apparatus and a compensation element therefor
KONISHIROKU PHOTO IND12 citations74
US5966362AOct 12, 1999
Optical system for recording and reproducing for use in optical information recording medium
KONISHIROKU PHOTO IND11 citations74
US5818809AOct 6, 1998
Optical system for recording and/or reproducing an optical information recording medium
KONISHIROKU PHOTO IND16 citations74
USRE34455ENov 23, 1993
Large-aperture single lens with aspherical surfaces
KONISHIROKU PHOTO IND9 citations74
US4666261AMay 19, 1987
Projection lens for a television projector
KONISHIROKU PHOTO IND10 citations74
US4484803ANov 27, 1984
Objective lens for regenerating a video disc
KONISHIROKU PHOTO IND11 citations74
US6894849B2May 17, 2005
Molded optical component, handling method, and assembling method
KONISHIROKU PHOTO IND6 citations72
US6765732B2Jul 20, 2004
Optical pickup lens, molded optical component, handling method, and mold for optical component
KONISHIROKU PHOTO IND7 citations72
US6414751B1Jul 2, 2002
Displacement measurement apparatus
KONISHIROKU PHOTO IND8 citations72
US4838670AJun 13, 1989
Projection lens for a projector
KONISHIROKU PHOTO IND12 citations72
US6919996B2Jul 19, 2005
Objective lens for use in optical pickup apparatus and optical pickup apparatus
KONISHIROKU PHOTO IND7 citations71
US6400672B2Jun 4, 2002
Method for recording/reproducing optical information recording medium, optical pickup apparatus, objective lens and design method of objective lens
KONISHIROKU PHOTO IND2 citations63
US4902114AFeb 20, 1990
Objective lens for an optical disk
KONISHIROKU PHOTO IND6 citations63
US4889417ADec 26, 1989
Projection lens for television projector
KONISHIROKU PHOTO IND3 citations63
KONICA CORP
12 patentsUS7366078B2Apr 29, 2008
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP9 citations92
US7164625B2Jan 16, 2007
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP12 citations92
US7151735B2Dec 19, 2006
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP14 citations92
US7327663B2Feb 5, 2008
Recording reproducing optical system, objective lens, and aberration correcting optical element
KONICA CORP13 citations84
US7173895B2Feb 6, 2007
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP4 citations74
US7173896B2Feb 6, 2007
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element and information recording/reproducing method
KONICA CORP2 citations74
US7173897B2Feb 6, 2007
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP7 citations74
US7924681B2Apr 12, 2011
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP1 citations63
US7961583B2Jun 14, 2011
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP0 citations52
US7889617B2Feb 15, 2011
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP0 citations52
US7668065B2Feb 23, 2010
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP0 citations52
US7342851B2Mar 11, 2008
Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method
KONICA CORP0 citations52
KONICA MINOLTA HOLDINGS INC
2 patentsUS6687209B2Feb 3, 2004
Optical pickup apparatus, objective lens, apparatus for reproducing and/or recording optical information recording medium
KONICA MINOLTA HOLDINGS INC29 citations93
US7012767B2Mar 14, 2006
Optical pickup lens, molded optical component, handling method, and mold for optical component
KONICA MINOLTA HOLDINGS INC6 citations61