Inventor · disambiguated record

Hiroshi Hamasaka

Also filed as: HAMASAKA HIROSHI

57 granted patents·6 pending applications·3,895 citations·filing 1990–2009

99Inventor score

Technology areasG11B H04N G06F Y10S

Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 HAMASAKA HIROSHI8 PANASONIC CORP7 GOTOH YOSHIHO1 KALLE GMBH1

Top patents by PatentIndex Score

63 records

0199US6560404B1Reproduction apparatus and method including prohibiting certain images from being output for reproductionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 6, 2003·109 cites·4 claims
0299US6181870B1Optical disc having an area storing original and user chain information specifying at least part of a video object stored on the disc, and a computer program and recording apparatus for recording and editing the chain informationMATUSHITA ELECTRIC IND CO LTD·Filed 1998·Granted Jan 30, 2001·974 cites·20 claims
0399US6148140AVideo data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer readable recording medium storing an editing programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 14, 2000·229 cites·11 claims
0499US5237553AData recording and reproducing apparatus having a plurality of operating modesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 17, 1993·421 cites·7 claims
0598US5596564AInformation recording medium and apparatus and method for recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 21, 1997·262 cites·11 claims
0698US5428597AMulti-layered optical disk with track and layer identificationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 27, 1995·108 cites·15 claims
0797US6263150B1Video data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer-readable recording medium storing an editing programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 17, 2001·70 cites·21 claims
0897US5905845AMethod disk and an apparatus for system encoding of bitstreams including plural system streams to be seamlessly reproducedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 18, 1999·100 cites·8 claims
0997US5884004AMethod and an optical disc for generating a bitstream containing a plurality of video objects including video and audio dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 16, 1999·314 cites·11 claims
1097US5270877AInformation recording medium and information recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 14, 1993·99 cites·8 claims
1196US7639923B2Reproduction device, optical disc, recording medium, program, and reproduction methodPANASONIC CORP·Filed 2003·Granted Dec 29, 2009·50 cites·13 claims
1296US5568467AInformation recording format having a plurality of bands with independent read and write control dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 22, 1996·83 cites·10 claims
1396US5303225AMulti-layered optical disk with track and layer identificationMATSHUSHITA ELECTRICAL IND CO·Filed 1990·Granted Apr 12, 1994·92 cites·14 claims
1495US7356247B2Information recording apparatus and method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 8, 2008·45 cites·3 claims
1595US6549722B2Apparatus, method, and recording medium implementing audio gap information for an audio presentation discontinuous periodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 15, 2003·36 cites·5 claims
1695US6493505B1Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing an reproduction programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 10, 2002·57 cites·28 claims
1795US6173113B1Machine readable information recording medium having audio gap information stored therein for indicating a start time and duration of an audio presentation discontinuous periodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jan 9, 2001·76 cites·6 claims
1894US5475668AMethod of producing file management structures, information reproduction apparatus and information reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Dec 12, 1995·73 cites·10 claims
1993US7215876B2Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing an reproduction programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted May 8, 2007·25 cites·2 claims
2093US5798995AInformation recording medium and apparatus and method for recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 25, 1998·64 cites·9 claims
2193US5642338AInformation recording medium and apparatus and method for recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 24, 1997·135 cites·10 claims
2293US5202876AOptical disc recording-reproducing apparatus in which sector substitution of defective sectors is performedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Apr 13, 1993·66 cites·6 claims
2390US5764620AMulti-layered optical disk with shifted track and layer identification and method of detecting a trackMATSUSHITA ELECTRIC CO·Filed 1996·Granted Jun 9, 1998·44 cites·6 claims
2487US6795641B2Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing a reproduction programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 21, 2004·14 cites·4 claims
2586US5883878AMethod of manufacturing a multilayered optical discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 16, 1999·27 cites·19 claims
2686US5293566AInformation recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Mar 8, 1994·39 cites·8 claims
2786US5253242ADouble-sided optical disc playerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Oct 12, 1993·39 cites·6 claims
2885US7209643B2Recording apparatus and method, playback apparatus and method, recording medium, program, and computer-readable recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 24, 2007·16 cites·12 claims
2983US6421315B1Multi-layered optical disk with shifted track and layer identification and method of detecting a trackMASTUSHITA ELECTRIC IND CO LTD·Filed 1999·Granted Jul 16, 2002·25 cites·8 claims
3081US8428440B2Information recording apparatus and method for the sameHAMASAKA HIROSHI·Filed 2007·Granted Apr 23, 2013·3 cites·5 claims
3180US8385720B2Reproduction device, optical disc, recording medium, program, reproduction methodPANASONIC CORP·Filed 2009·Granted Feb 26, 2013·4 cites·4 claims
3278US7880813B2Control device and control method with corresponding arrangement of image regionsPANASONIC CORP·Filed 2004·Granted Feb 1, 2011·15 cites·33 claims
3375US5214626AInformation recording/reproducing apparatus for writing on and reading from a rewritable optical disk have tracks divided into a plurality of sectorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 25, 1993·24 cites·6 claims
3473US8068718B2Reproduction device, system integration circuit, program, reproduction method, and information recording mediumHAMASAKA HIROSHI·Filed 2004·Granted Nov 29, 2011·9 cites·13 claims
3573US5870374AMulti-layer optical disc having a pair of substrates spaced by an adhesive materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 9, 1999·14 cites·11 claims
3670US7274860B2Apparatus, method, and recording medium implementing audio gap information for an audio presentation discontinuous periodMATSUSHITA ELECTRIC INDUATRIAL·Filed 2003·Granted Sep 25, 2007·8 cites·5 claims
3769US6341199B1Apparatus, method, and recording medium implementing audio gap information for an audio presentation discontinuous periodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jan 22, 2002·13 cites·10 claims
3868US6728195B2Multi-layered optical disk with shifted track and layer identification and method of detecting a trackMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 27, 2004·3 cites·8 claims
3967US6487364B2Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing a reproduction programMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 26, 2002·7 cites·9 claims
4066US8380048B2Reproduction device, optical disc, recording medium, program, reproduction methodPANASONIC CORP·Filed 2009·Granted Feb 19, 2013·0 cites·3 claims
4164US7823212B2Securely aggregating content on a storage devicePANASONIC CORP·Filed 2004·Granted Oct 26, 2010·5 cites·26 claims
4262US8238715B2Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing an reproduction programOKADA TOMOYUKI·Filed 2007·Granted Aug 7, 2012·0 cites·2 claims
4361US8515260B2Information recording apparatus and method for the sameHAMASAKA HIROSHI·Filed 2007·Granted Aug 20, 2013·0 cites·5 claims
4461US8401376B2Information recording apparatus and method for the sameHAMASAKA HIROSHI·Filed 2007·Granted Mar 19, 2013·0 cites·5 claims
4561US5457794AInformation retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving resultsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Oct 10, 1995·22 cites·5 claims
4659US5161143AInformation recording-reproducing apparatus for optimizing data transferMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 3, 1992·12 cites·8 claims
4757US8244098B2Recording apparatus and method, playback apparatus and method, recording medium, program and computer-readable recording mediumSATO YASUNORI·Filed 2006·Granted Aug 14, 2012·0 cites·3 claims
4856US8406613B2Information recording apparatus and method for the sameHAMASAKA HIROSHI·Filed 2007·Granted Mar 26, 2013·0 cites·5 claims
4956US5485439AMethod for recording/reproducing information and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 16, 1996·29 cites·3 claims
5056US5184341AInformation recording method having successive data write and data verify operationsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Feb 2, 1993·10 cites·5 claims

Showing the top 50 of 63 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →