P

Inventor

TANAKA SHINICHI

JP272 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA SHINICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

35 patents
US6081785AJun 27, 2000

Optical disk, optical recorder, optical reproducer, crytocommunication system and program license system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD197 citations99
US6052465AApr 18, 2000

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD176 citations99
US6633853B2Oct 14, 2003

Recordable optical disk encrypted with disk identification and multiple keys

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations97
US7110544B2Sep 19, 2006

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations96
US6885629B2Apr 26, 2005

Recordable optical disk including an auxiliary information presence indicator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations96
US6735160B1May 11, 2004

Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations96
US6600706B1Jul 29, 2003

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations96
US6457128B1Sep 24, 2002

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations96
US6343282B1Jan 29, 2002

Optical disk reading device using both a decipher key and disk identification information

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations96
US6285762B1Sep 4, 2001

Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, marking forming apparatus, method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations96
US6285763B1Sep 4, 2001

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations96
US6229896B1May 8, 2001

Optical disk, an optical barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations96
US6208736B1Mar 27, 2001

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations96
US6175629B1Jan 16, 2001

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations96
US6160888ADec 12, 2000

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations96
US6122373ASep 19, 2000

Optical disk, optical disk barcode forming method, optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations96
US5815485ASep 29, 1998

Recording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD79 citations96
US5276674AJan 4, 1994

Optical recording medium having thin protective layer and two-dimensionally aligned code words and recording/reproducing apparatus employing the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations96
US4862295AAug 29, 1989

Method of formatting a storage medium and drive unit for controlling the reading and writing of data on the formatted storage medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations95
US6301569B1Oct 9, 2001

Optical disk, optical recorder, optical reproducer, cryptocommunication system and program license system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations94
US6622132B1Sep 16, 2003

Device for encoding encrypted information on an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations93
US6611820B2Aug 26, 2003

Recording medium, recorder, reproducer, cryptocommunication system and program license system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US6381588B2Apr 30, 2002

Optical disk recordable using both a cipher key and disk identification information for encryption

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations93
US6144742ANov 7, 2000

Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations93
US5974140AOct 26, 1999

Information carrier and recording and/or reproducing apparatus and/or initializing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US5627816AMay 6, 1997

Multilayer optical disk and apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations93
US5563873AOct 8, 1996

Multilayer optical disk and apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations93
US5347504ASep 13, 1994

Optical disk apparatus for optically recording or reproducing information on an optical recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US5345072ASep 6, 1994

Focus detection device for reading information from an optical recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US5088080AFeb 11, 1992

Apparatus for deriving synchronizing signal from pre-formed marks on record carrier

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US4823334AApr 18, 1989

Optical head with easily adjustable collimator having two lens components

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US4728929AMar 1, 1988

Method and apparatus for encoding binary data

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations93
US6597654B2Jul 22, 2003

Recordable optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations92
US6590846B2Jul 8, 2003

Recordable optical disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations92
US5241528AAug 31, 1993

Optical pickup

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92

TOSHIBA KK

4 patents

SHARP KK

2 patents

SONY CORP

2 patents

PANASONIC CORP

1 patent

HONDA MOTOR CO LTD

1 patent

NAKANISHI INC

1 patent

CASIO COMPUTER CO LTD

1 patent

NIKON CORP

1 patent

HINO MOTORS LTD

1 patent

MICRO MOTION INC

1 patent

Showing the top 50 of 272 patents by PatentIndex Score.