Inventor · disambiguated record
Shigeaki Furukawa
Also filed as: FURUKAWA SHIGEAKI
38 granted patents·2 pending applications·912 citations·filing 1989–2010
98Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD33PANASONIC CORP5FURUKAWA SHIGEAKI1MATSUSHITA ELECTRIC IND INC LT1
Top patents by PatentIndex Score
40 records- 0197US6411575B1Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 25, 2002·116 cites·6 claims
- 0297US6343062B1Optical disk device and optical disk for recording and reproducing high-density signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 29, 2002·156 cites·14 claims
- 0396US7193948B2Optical recording medium, method for recording on optical record medium, and apparatus for recording on optical record mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 20, 2007·69 cites·19 claims
- 0495US5635267AOptical information recording medium of phase change type having variably grooved tracks depending on their radial locationsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 3, 1997·77 cites·32 claims
- 0595US5194363AOptical recording medium and production process for the mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 16, 1993·71 cites·15 claims
- 0692US6345026B1Optical recording method and optical recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 5, 2002·63 cites·9 claims
- 0788US7088656B2Method for optically recording information and device for optically recording information by the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Aug 8, 2006·7 cites·22 claims
- 0884US6975571B1Method for optically recording information and device for optically recording information by the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 13, 2005·16 cites·15 claims
- 0984US6584054B2Optical recording method and optical recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 24, 2003·16 cites·7 claims
- 1082US6762985B2Optical recording method and optical recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 13, 2004·13 cites·7 claims
- 1181US5545454AOptical information recording medium and method of designing its structureMATSUSHITA ELECTRIC IND INC LT·Filed 1995·Granted Aug 13, 1996·39 cites·2 claims
- 1281US5191565AOptical information recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Mar 2, 1993·30 cites·14 claims
- 1379US6535468B2Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 18, 2003·23 cites·5 claims
- 1479US6414922B1Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus thereforeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 2, 2002·22 cites·4 claims
- 1579US5424106AOptical information recording medium and method of designing its structureMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jun 13, 1995·24 cites·19 claims
- 1678US5684778AInitialization process for a phase change recording medium with a zero level drop in flash light emissionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 4, 1997·31 cites·36 claims
- 1776US7881173B2Optical information recording method, optical information recording device and optical information recording mediumPANASONIC CORP·Filed 2010·Granted Feb 1, 2011·2 cites·4 claims
- 1874US7821892B2Optical information recording method, optical information recording device and optical information recording mediumPANASONIC CORP·Filed 2008·Granted Oct 26, 2010·1 cites·3 claims
- 1974US7813239B2Optical information recording method, optical information recording device and optical information recording mediumPANASONIC CORP·Filed 2007·Granted Oct 12, 2010·1 cites·4 claims
- 2073US5230973AMethod of recording and erasing information in an erasible optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 27, 1993·17 cites·3 claims
- 2171US6906988B1Method and apparatus for recording/reproducing information with respect to optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 14, 2005·7 cites·14 claims
- 2270US5395669AOptical record mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 7, 1995·19 cites·17 claims
- 2366US5453346AOptical information recording medium having protection layers with different properties on both sides of an optical active layerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 26, 1995·15 cites·20 claims
- 2465US5147701AInformation recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 15, 1992·13 cites·11 claims
- 2560US6661749B1Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 9, 2003·3 cites·9 claims
- 2659US6172946B1Optical recording device for adjusting the rotation rate of recording medium during seeking operationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 9, 2001·14 cites·1 claims
- 2755US7760596B2Optical information recording method, optical information recording device, and optical information recording mediumPANASONIC CORP·Filed 2003·Granted Jul 20, 2010·1 cites·8 claims
- 2855US7158458B2Method and apparatus for recording/reproducing information with respect to optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 2, 2007·0 cites·32 claims
- 2955US6388984B2Optical information recording medium and its recording and reproducing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 14, 2002·11 cites·25 claims
- 3055USRE36383EOptical recording medium and production process for the mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 9, 1999·8 cites·16 claims
- 3155US2011090778A1Optical information recording method, optical information recording device and optical information recording mediumPANASONIC CORP·Filed 2010·Application pending·0 cites
- 3252US6060221AMethod and apparatus for initializing optical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 9, 2000·10 cites·14 claims
- 3352US5439752AOptical recording medium and reflecting film for use thereinMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Aug 8, 1995·8 cites·3 claims
- 3445US7251202B2Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 31, 2007·0 cites·13 claims
- 3542US5587216AOptical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Dec 24, 1996·4 cites·2 claims
- 3641US5753334AOptical recording mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 19, 1998·4 cites·4 claims
- 3741US2006139803A1Multilayer information medium, reproduction method and reproduction device thereofFURUKAWA SHIGEAKI·Filed 2003·Application pending·0 cites
- 3836US7088668B1Optical recording medium with address information composed of pitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 8, 2006·0 cites·4 claims
- 3932US6469964B1Optical recording medium and recording/reproduction method and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 22, 2002·0 cites·3 claims
- 4032US5256518AInformation storage disk employing a reflective layer having good malleabilityMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Oct 26, 1993·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →