P

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 patents
US7366078B2Apr 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 patents
US6870805B1Mar 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 patents

FUJIFILM CORP

3 patents

KONICA MINOLTA HOLDINGS INC

2 patents

DAINIPPON PRINTING CO LTD

1 patent

EBARA CORP

1 patent

CANON KK

1 patent

UNIV KYOTO

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.