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 patentsUS6240055B1May 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 patentsUS9223403B2Dec 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 patentsUS10122976B2Nov 6, 2018
Projection device for controlling a position of an image projected on a projection surface
PANASONIC IP MAN CO LTD4 citations73
US10999565B2May 4, 2021
Projecting device
PANASONIC IP MAN CO LTD1 citations62
US11003340B2May 11, 2021
Display device
PANASONIC IP MAN CO LTD0 citations52
US10447979B2Oct 15, 2019
Projection device for detecting and recognizing moving objects
PANASONIC IP MAN CO LTD0 citations42