P

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 patents
US7158450B2Jan 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 patents

PANASONIC CORP

3 patents

INAMOTO SHINJI

2 patents

MITSUBISHI ELECTRIC CORP

1 patent

SUMITOMO ELECTRIC SINTERED ALY

1 patent

SUMITOMO ELECTRIC INDUSTRIES

1 patent

HAYASHI HIDEKI

1 patent

OYAMADA TAKAYOSHI

1 patent

OHIRA TAKAYUKI

1 patent