P

Inventor

FUJIUNE KENJI

JP45 patents
⚠️ This page may combine multiple inventors who share the name “FUJIUNE KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

23 patents
US6240055B1May 29, 2001

Focus position adjustment device and optical disc drive apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD103 citations97
US7190650B2Mar 13, 2007

Optical disc drive for identifying and processing multiple optical disc types

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations93
US6400663B1Jun 4, 2002

Optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US7327642B2Feb 5, 2008

Method of moving a beam spot between information storage layers of an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US7054241B2May 30, 2006

Optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US6714493B1Mar 30, 2004

Optical disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6498772B1Dec 24, 2002

Optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations84
US6044049AMar 28, 2000

Optical information apparatus employing two different tracking error signals based on regions on information medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US7283435B2Oct 16, 2007

Optical disc device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US7218582B2May 15, 2007

Optical disc drive

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7158452B2Jan 2, 2007

Focus control for optical disk unit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6567357B2May 20, 2003

Optical disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US6304528B1Oct 16, 2001

Optical disk reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US7307933B2Dec 11, 2007

Optical disc drive

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7257053B2Aug 14, 2007

Optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6834030B2Dec 21, 2004

Optical disk apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US6396779B1May 28, 2002

Optical disk apparatus having tracking control for positioning a light beam along a track on an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US7130250B2Oct 31, 2006

Optical head and optical disk apparatus for performing focus pull in

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US7088662B2Aug 8, 2006

Optical disc drive and method for controlling the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6925048B2Aug 2, 2005

Optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US7239595B2Jul 3, 2007

Spherical aberration correction control device and optical disc apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US7440362B2Oct 21, 2008

Optical disc drive which uses a train of pulses to shift the focus of a focusing section

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42
US7196977B2Mar 27, 2007

Track jump control circuit for accessing optical disk drive

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42

PANASONIC CORP

14 patents
US9223403B2Dec 29, 2015

Tactile input and output device

PANASONIC CORP8 citations84
US7719931B2May 18, 2010

Optical disk device, loop gain setting method, and loop gain setting program

PANASONIC CORP2 citations63
US7450483B2Nov 11, 2008

Information carrier apparatus and information carrier eccentricity correction method

PANASONIC CORP2 citations63
USRE41372EJun 8, 2010

Optical disc apparatus

PANASONIC CORP2 citations62
US8018808B2Sep 13, 2011

Method for inspecting optical information recording medium, inspection apparatus, optical information recording medium and recording method

PANASONIC CORP1 citations52
US7586818B2Sep 8, 2009

Optical disc apparatus and semiconductor device

PANASONIC CORP1 citations52
US7539089B2May 26, 2009

Optical disc device

PANASONIC CORP1 citations52
US7480232B2Jan 20, 2009

Optical disc apparatus

PANASONIC CORP0 citations51
US8054720B2Nov 8, 2011

Optical disc device and laser power control method

PANASONIC CORP0 citations42
US8014240B2Sep 6, 2011

Optical disk device, method of controlling optical head, and control device for optical head

PANASONIC CORP0 citations42
US8014250B2Sep 6, 2011

Method for inspecting optical information recording medium, inspection apparatus, optical information recording medium and recording method

PANASONIC CORP0 citations42
US8014251B2Sep 6, 2011

Method for inspecting optical information recording medium, inspection apparatus, optical information recording medium and recording method

PANASONIC CORP0 citations42
US7496006B2Feb 24, 2009

Optical disc controller and optical disc device

PANASONIC CORP0 citations42
US8000202B2Aug 16, 2011

Apparatus for recording/reproducing information on/from an optical disc having focus control capabilities

PANASONIC CORP0 citations41

PANASONIC IP MAN CO LTD

4 patents

FUJIUNE KENJI

2 patents

NAKAMURA ATSUSHI

1 patent

KONDO KENJI

1 patent