Inventor
OTA KOHEI
JP60 patents
⚠️ This page may combine multiple inventors who share the name “OTA KOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA CORP
17 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
US7440381B2Oct 21, 2008
Optical pick-up apparatus
KONICA CORP8 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
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
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
US7075880B2Jul 11, 2006
Optical pick-up device and objective lens used therein
KONICA CORP10 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
US7508745B2Mar 24, 2009
Optical element having a refractive function and an optical path difference providing function
KONICA CORP3 citations63
US7126902B2Oct 24, 2006
Objective lens, optical pickup device and method for producing optical element for optical pickup device
KONICA CORP2 citations63
US7120108B2Oct 10, 2006
Objective lens and optical pickup device
KONICA CORP3 citations62
US7969854B2Jun 28, 2011
Optical pickup device and objective lens used in the same
KONICA CORP0 citations52
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
KONISHIROKU PHOTO IND
15 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
US6898168B2May 24, 2005
Optical pick-up apparatus
KONISHIROKU PHOTO IND56 citations96
US6411442B1Jun 25, 2002
Objective lens for pickup and light pickup apparatus
KONISHIROKU PHOTO IND66 citations96
US6512640B2Jan 28, 2003
Objective lens for pickup and light pickup apparatus
KONISHIROKU PHOTO IND17 citations93
US6185050B1Feb 6, 2001
Zoom lens having two lens groups
KONISHIROKU PHOTO IND28 citations93
US6671247B1Dec 30, 2003
Optical pick-up apparatus, optical element, and objective lens having diffracting section
KONISHIROKU PHOTO IND46 citations92
US6429972B1Aug 6, 2002
Diffraction lens
KONISHIROKU PHOTO IND50 citations92
US6404562B1Jun 11, 2002
Zoom lens
KONISHIROKU PHOTO IND42 citations92
US6728042B2Apr 27, 2004
Optical pick-up device and objective lens used therein
KONISHIROKU PHOTO IND13 citations84
US6349083B1Feb 19, 2002
Near field type optical disk recording reproducing apparatus, optical information recording medium recording reproducing apparatus, pickup apparatus, objective lens
KONISHIROKU PHOTO IND18 citations84
US6747812B2Jun 8, 2004
Objective lens for optical pick-up apparatus and optical pick-up apparatus
KONISHIROKU PHOTO IND12 citations73
US4726666AFeb 23, 1988
Two-group zoom lens
KONISHIROKU PHOTO IND12 citations71
US5541692AJul 30, 1996
Camera with triplet lenses
KONISHIROKU PHOTO IND5 citations63
US4828374AMay 9, 1989
Albada type inverted Galileo finder
KONISHIROKU PHOTO IND3 citations62
KONICA MINOLTA OPTO INC
9 patentsUS7843793B2Nov 30, 2010
Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
KONICA MINOLTA OPTO INC8 citations84
US7672212B2Mar 2, 2010
Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
KONICA MINOLTA OPTO INC9 citations84
US7668066B2Feb 23, 2010
Optical pickup apparatus
KONICA MINOLTA OPTO INC8 citations84
US7656770B2Feb 2, 2010
Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
KONICA MINOLTA OPTO INC9 citations84
US7948856B2May 24, 2011
Manufacturing method of an objective lens for an optical pickup apparatus and the optical pickup apparatus
KONICA MINOLTA OPTO INC2 citations63
US7733758B2Jun 8, 2010
Objective lens for an optical pickup apparatus
KONICA MINOLTA OPTO INC2 citations63
US7672211B2Mar 2, 2010
Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
KONICA MINOLTA OPTO INC2 citations63
US7948857B2May 24, 2011
Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
KONICA MINOLTA OPTO INC0 citations52
US7903528B2Mar 8, 2011
Optical pick-up apparatus
KONICA MINOLTA OPTO INC1 citations52
FUJIFILM CORP
3 patentsKONICA 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
US7463568B2Dec 9, 2008
Objective optical element and optical pickup apparatus
KONICA MINOLTA HOLDINGS INC2 citations62
DAINIPPON PRINTING CO LTD
1 patentEBARA CORP
1 patentCANON KK
1 patentUNIV KYOTO
1 patentShowing the top 50 of 60 patents by PatentIndex Score.