Inventor · disambiguated record
Tadashi Ezaki
Also filed as: EZAKI TADASHI
48 granted patents·4 pending applications·1,748 citations·filing 1987–2024
99Inventor score
Top patents by PatentIndex Score
52 records- 0198US5991500ACopy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signalSONY CORP·Filed 1997·Granted Nov 23, 1999·156 cites·60 claims
- 0297US7073073B1Data providing system, device, and methodSONY CORP·Filed 2000·Granted Jul 4, 2006·271 cites·125 claims
- 0396US7761465B1Data providing system and method thereforSONY CORP·Filed 2000·Granted Jul 20, 2010·87 cites·10 claims
- 0495US7366907B1Information processing device and method and program storage mediumSONY CORP·Filed 2000·Granted Apr 29, 2008·53 cites·37 claims
- 0594US6859790B1Data distribution system and method thereof, data processing device, data control device, and machine-readable recording medium recording distribution dataSONY CORP·Filed 2000·Granted Feb 22, 2005·58 cites·36 claims
- 0693US7035827B2Content receiving apparatus and method, storage medium, and serverSONY CORP·Filed 2001·Granted Apr 25, 2006·84 cites·13 claims
- 0792US7757101B2Data processing apparatus, data processing system, and data processing method thereforSONY CORP·Filed 2000·Granted Jul 13, 2010·108 cites·18 claims
- 0890US6721437B1Data processing apparatus, coding apparatus, data processing method and coding methodSONY CORP·Filed 2000·Granted Apr 13, 2004·58 cites·36 claims
- 0990US5822425AMethods of transmitting and recording television signals with copy generating restriction information and recording apparatus thereforSONY CORP·Filed 1996·Granted Oct 13, 1998·62 cites·15 claims
- 1087US6480607B1Encrypted data reproducing transmitting and processing method and apparatus with separately encrypted control dataSONY CORP·Filed 1998·Granted Nov 12, 2002·49 cites·54 claims
- 1187US6266480B1Apparatus and method for effectively inhibiting unauthorized copying of picture signals which does not interfere with an authorized display thereofSONY CORP·Filed 1997·Granted Jul 24, 2001·102 cites·22 claims
- 1286US7315290B2Data communication apparatusSONY CORP·Filed 2004·Granted Jan 1, 2008·45 cites·10 claims
- 1386US6263506B1Data transmission and reception device and system, data transmission method and parameter setting method for data reception deviceSONY CORP·Filed 1997·Granted Jul 17, 2001·91 cites·33 claims
- 1483US7720223B2System and method of content copy controlSONY CORP·Filed 2005·Granted May 18, 2010·4 cites·4 claims
- 1583US5778064AApparatus and method for processing a high definition video signalSONY CORP·Filed 1996·Granted Jul 7, 1998·78 cites·44 claims
- 1683US5453794AMultistandard video signal decoderSONY CORP·Filed 1993·Granted Sep 26, 1995·47 cites·9 claims
- 1781US7123752B2Personal identification apparatus and methodSONY CORP·Filed 2002·Granted Oct 17, 2006·33 cites·21 claims
- 1880US7886159B2Data providing system and apparatus and methods of sameSONY CORP·Filed 2006·Granted Feb 8, 2011·8 cites·11 claims
- 1978US4876451AAluminum solid electrolytic capacitor and manufacturing method thereofSANYO ELECTRIC CO·Filed 1988·Granted Oct 24, 1989·35 cites·31 claims
- 2074US6526510B1Signal reproducing method and apparatus, signal recording method and apparatus and signal recording systemSONY CORP·Filed 1998·Granted Feb 25, 2003·45 cites·16 claims
- 2170USRE43520ECopy control, for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signalKANOTA KEIJI·Filed 2010·Granted Jul 17, 2012·1 cites·68 claims
- 2268USRE43854ECopy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signalKANOTA KEIJI·Filed 2010·Granted Dec 11, 2012·1 cites·76 claims
- 2367US7031942B2Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting methodSONY CORP·Filed 1999·Granted Apr 18, 2006·16 cites·22 claims
- 2466US5589886AMultistandard decoder for data stored in the vertical blanking interval of a video signalSONY CORP·Filed 1995·Granted Dec 31, 1996·25 cites·7 claims
- 2565US8166523B2Authentication processing system, authentication processing method, authentication device, and computer programEZAKI TADASHI·Filed 2002·Granted Apr 24, 2012·18 cites·11 claims
- 2665US2004267671A1Data distribution system and method thereof, data processing device, data control device, and machine-readable recording medium recording distribution dataSONY CORP·Filed 2004·Application pending·0 cites
- 2762US5402187AMethod and apparatus for transmitting a video signal along with a code representing an aspect ratio of the video signalSONY CORP·Filed 1993·Granted Mar 28, 1995·20 cites·9 claims
- 2861US8312252B2Content receiving apparatus and method, storage medium, and serverEZAKI TADASHI·Filed 2005·Granted Nov 13, 2012·2 cites·22 claims
- 2961US4922331AColor video signal reproducing apparatus having trap circuit and comb-filter for filtering a chrominance signal band of a wide band luminance signalSONY CORP·Filed 1988·Granted May 1, 1990·16 cites·18 claims
- 3060US2024337512A1Electrode structurePANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2024·Application pending·0 cites
- 3157US7236686B2Method and apparatus for transmitting a signal, method and apparatus for receiving a signal, VBI signal generating apparatus, video signal transmitting apparatus, video signal processing apparatus, video signal receiving apparatus, decoding apparatus, and recording medium for recording a video signalSONY CORP·Filed 2001·Granted Jun 26, 2007·2 cites·45 claims
- 3256US7548887B1Information-signal playback system, information-signal reading apparatus, information-signal processing apparatus, information-signal playback method, information-signal reading method and information-signal processing apparatusSONY CORP·Filed 1999·Granted Jun 16, 2009·19 cites·14 claims
- 3356US5617147ATransmission system for an aspect-area-ratio position ID signalSONY CORP·Filed 1995·Granted Apr 1, 1997·20 cites·7 claims
- 3456US5521645AMultistandard video signal decoderSONY CORP·Filed 1995·Granted May 28, 1996·15 cites·2 claims
- 3556US2006155649A1Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting methodSONY CORP·Filed 2006·Application pending·0 cites
- 3655US8095578B2Data processing system and method thereforNONAKA AKIRA·Filed 2010·Granted Jan 10, 2012·1 cites·12 claims
- 3755US7188247B2System and method of content copy controlSONY CORP·Filed 2001·Granted Mar 6, 2007·1 cites·38 claims
- 3855US5914754AVideo signal aspect ratio conversion apparatusSONY CORP·Filed 1995·Granted Jun 22, 1999·19 cites·17 claims
- 3954USRE43240ECopy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signalKANOTA KEIJI·Filed 2001·Granted Mar 13, 2012·1 cites·93 claims
- 4053US7363512B2System and method of content copy controlSONY CORP·Filed 2005·Granted Apr 22, 2008·0 cites·20 claims
- 4153US5877820AOptical transmission of signalsSONY CORP·Filed 1996·Granted Mar 2, 1999·22 cites·20 claims
- 4253US5150218AVideo tape recorder with recording of a code to identify picture aspect ratioSONY CORP·Filed 1991·Granted Sep 22, 1992·14 cites·7 claims
- 4348US5742727AApparatus and method for recording and reproducing a television signalSONY CORP·Filed 1995·Granted Apr 21, 1998·9 cites·41 claims
- 4448US5416598ACombined image pickup and signal recorder for video signals derived from images having different aspect ratiosSONY CORP·Filed 1991·Granted May 16, 1995·12 cites·8 claims
- 4546US4789905AOutput signal switching circuit for a video tape recorderSONY CORP·Filed 1987·Granted Dec 6, 1988·8 cites·7 claims
- 4645US5598219AData extracting apparatus for validating data multiplexed in a video signalSONY CORP·Filed 1995·Granted Jan 28, 1997·11 cites·4 claims
- 4745US2004128524A1Delivery system for delivery items, delivery agency server apparatus, cryptogram reader, delivery method for delivery items, program, and recording mediumSONY CORP·Filed 2003·Application pending·0 cites
- 4844US5909532AApparatus and method for recording and reproducing a television signalSONY CORP·Filed 1997·Granted Jun 1, 1999·7 cites·41 claims
- 4940US5543926ARecording and reproducing apparatusSONY CORP·Filed 1994·Granted Aug 6, 1996·5 cites·22 claims
- 5037US5852471ATelevision multiplex data extracting apparatusSONY CORP·Filed 1996·Granted Dec 22, 1998·6 cites·11 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →