P

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 patents
US5508995AApr 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 patents

TOA EIYO LTD

4 patents

TOSHIBA KK

2 patents

TANABE SEIYAKU CO

2 patents

UBE INDUSTRIES

1 patent

TAKAZAWA MINORU

1 patent

CHONO HIDETO

1 patent

TOA EIYO KAGAKU KOGYO KK

1 patent

SAGAMI CHEM RES

1 patent

YAMADA SHIN-ICHI

1 patent