P

Inventor

NAGAI TAKAHIRO

JP47 patents
⚠️ This page may combine multiple inventors who share the name “NAGAI TAKAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

24 patents
US5715221AFeb 3, 1998

Method for managing defects in an information recording medium, and a device and information recording medium using said method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD359 citations99
US6938162B1Aug 30, 2005

Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD278 citations98
US6134214AOct 17, 2000

Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD82 citations97
US6549499B2Apr 15, 2003

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations96
US6351447B1Feb 26, 2002

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations96
US6314078B1Nov 6, 2001

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations96
US6301220B1Oct 9, 2001

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations96
US5872767AFeb 16, 1999

Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations96
US5862112AJan 19, 1999

Optical disk and an optical disk recording reproduction device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations96
US6496455B1Dec 17, 2002

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations93
US6175549B1Jan 16, 2001

Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations93
US6802074B1Oct 5, 2004

Recording apparatus, transmitting apparatus, and computer-readable recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US6687860B1Feb 3, 2004

Data transfer device and data transfer method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US7339869B2Mar 4, 2008

Optical disk and optical method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US7196994B2Mar 27, 2007

Information recording medium, information recording apparatus and information reproduction apparatus for the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7092342B2Aug 15, 2006

Optical disc, recording apparatus and method, and reproduction apparatus and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7209422B2Apr 24, 2007

Optical disc recording method and optical disc reproducing method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7164644B2Jan 16, 2007

Optical disc, recording apparatus method, and reproduction apparatus and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7136335B2Nov 14, 2006

Information recording medium, recording apparatus, and reproduction apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7133349B2Nov 7, 2006

Optical disc, recording apparatus and method, and reproduction apparatus and method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
USRE38706EFeb 22, 2005

Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7298844B2Nov 20, 2007

Recording/reproducing apparatus, data moving method, and data deletion method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
USRE39163EJul 11, 2006

Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
USRE38611EOct 5, 2004

Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52

PANASONIC CORP

8 patents

MURATA MANUFACTURING CO

8 patents

NIDEC CORP

3 patents

SONY CORP

2 patents

NAGAI TAKAHIRO

1 patent

TAKAO NAOYA

1 patent