Inventor
OGATA DAISUKE
JP38 patents
⚠️ This page may combine multiple inventors who share the name “OGATA DAISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
23 patentsUS7158450B2Jan 2, 2007
Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations93
US6987598B2Jan 17, 2006
Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations93
US6480454B1Nov 12, 2002
Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations93
US6934226B2Aug 23, 2005
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US6661415B1Dec 9, 2003
Liquid crystal driver and optical head for tilt correction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6532202B1Mar 11, 2003
Optical element, optical head and optical recording reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations92
US7177101B2Feb 13, 2007
Optical head apparatus and optical information recording and reproduction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations84
US6798723B2Sep 28, 2004
Optical pickup head and information recording/reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US7034980B2Apr 25, 2006
Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations74
US5671209ASep 23, 1997
Focusing time period and power control of a multilaser diode array
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5490128AFeb 6, 1996
Optical head having a light source adjusting mechanism and a method for adjusting a light source in an optical head
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US7065013B2Jun 20, 2006
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US5526330AJun 11, 1996
Optical head assembly for optical information player
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72
US7352664B2Apr 1, 2008
Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations63
US7170664B2Jan 30, 2007
Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7151737B2Dec 19, 2006
Optical head and optical disc apparatus for focusing a collimated laser beam
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7113472B2Sep 26, 2006
Optical head including an active polymer film for switching voltage during recording and reproducing processes
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6862740B2Mar 1, 2005
Optical information recording medium, optical information recording/reproduction method, and optical information recording/reproduction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6781945B2Aug 24, 2004
Optical head and optical disc apparatus for focusing a collimated laser beam
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6292441B1Sep 18, 2001
Optical head device, optical information apparatus, and method for detecting focus error signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US7031247B2Apr 18, 2006
Liquid crystal driver and optical head for tilt correction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6959447B2Oct 25, 2005
Optical information recording medium, optical information recording/reproduction method, and optical information recording/reproduction apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
US6925043B2Aug 2, 2005
Optical recording apparatus and method for controlling light source output using detected aberration
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations42
TORAY INDUSTRIES
4 patentsUS12234565B2Feb 25, 2025
Composite electrolyte membrane
TORAY INDUSTRIES0 citations59
US12148964B2Nov 19, 2024
Composite polymer electrolyte membrane, electrolyte membrane with catalyst layer, membrane-electrode assembly, and solid polymer fuel cell
TORAY INDUSTRIES0 citations59
US11973252B2Apr 30, 2024
Multilayer electrolyte membrane, membrane electrode assembly, water electrolysis-type hydrogen generator and method of producing multilayer electrolyte membrane
TORAY INDUSTRIES0 citations56
US12199324B2Jan 14, 2025
Composite electrolyte membrane, electrolyte membrane having catalyst layer attached thereto, membrane-electrode composite, solid polymer-type fuel cell, and method for producing composite electrolyte membrane
TORAY INDUSTRIES0 citations49
PANASONIC CORP
3 patentsUS7782540B2Aug 24, 2010
Optical head apparatus and optical information recording and reproduction apparatus
PANASONIC CORP2 citations63
US7602561B2Oct 13, 2009
Optical head apparatus and optical information recording and reproduction apparatus
PANASONIC CORP1 citations63
US7580327B2Aug 25, 2009
Optical element, optical head, optical recording reproducing apparatus and optical recording/reproducing method
PANASONIC CORP0 citations52