Inventor
YAMADA SHIN-ICHI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA SHIN-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
23 patentsUS5508995AApr 16, 1996
Optical disk capable of recording information on both groove and land tracks
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD225 citations98
US6298019B1Oct 2, 2001
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations96
US6011762AJan 4, 2000
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations96
US5831952ANov 3, 1998
Optical disk thickness discriminating apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations96
US6459664B1Oct 1, 2002
Optical disc tilt control apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6195321B1Feb 27, 2001
Disk rotation control apparatus with deceleration means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5878007AMar 2, 1999
Anti-wobble optical medium and tracking method and apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US7406007B2Jul 29, 2008
Optical disc apparatus and spherical aberration correction controlling apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US7054241B2May 30, 2006
Optical disc apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 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
US5699334ADec 16, 1997
Control devices for optical disk based on driving signal saturation
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US7379398B2May 27, 2008
Optical disc apparatus, an optical disc method, and a semiconductor integrated circuit capable of adjusting a focus position of a light beam and a spherical aberration
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7283435B2Oct 16, 2007
Optical disc device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6567372B2May 20, 2003
Optical disk and optical disk apparatus with tracks and grooves
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6434094B2Aug 13, 2002
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5732051AMar 24, 1998
Focusing control apparatus using dynamic target value in relation to land/groove
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US7307933B2Dec 11, 2007
Optical disc drive
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US7257053B2Aug 14, 2007
Optical disc apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7242648B2Jul 10, 2007
Tracking error signal generation device, optical disc apparatus, tracking error signal generation method and tracking control method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6304536B1Oct 16, 2001
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6147946ANov 14, 2000
Optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7463563B2Dec 9, 2008
Deficiency detecting apparatus for optical disk
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 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
PANASONIC CORP
5 patentsUSRE40946EOct 27, 2009
Optical disk apparatus
PANASONIC CORP9 citations84
US7864638B2Jan 4, 2011
Optical disk apparatus
PANASONIC CORP2 citations63
US7719931B2May 18, 2010
Optical disk device, loop gain setting method, and loop gain setting program
PANASONIC CORP2 citations63
US7480218B2Jan 20, 2009
Optical disk control device with focal point movement control
PANASONIC CORP3 citations63
US7539089B2May 26, 2009
Optical disc device
PANASONIC CORP1 citations52
TOA EIYO LTD
4 patentsUS5728835AMar 17, 1998
Substituted cyclic amine compound, production process thereof and pharmaceutical composition for circulatory organ use containing the same
TOA EIYO LTD17 citations79
US5149702ASep 22, 1992
Cycloheptenopyridine derivatives, process for preparation thereof and antiulcer agents containing the same
TOA EIYO LTD19 citations67
US4874760AOct 17, 1989
4,7-dihydroisothiazolo(5,4-b)pyridine derivatives and cardiovascular treating agents containing said derivatives
TOA EIYO LTD16 citations67
US6258829B1Jul 10, 2001
Cycloalka[b]pyridine-3-carbonylguanidine derivatives, process for producing the same, and drugs containing the same
TOA EIYO LTD4 citations58