Inventor · disambiguated record
Akira Iketani
Also filed as: IKETANI AKIRA
47 granted patents·7 pending applications·941 citations·filing 1984–2006
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD44SANYO ELECTRIC CO7FURUKAWA ELECTRIC CO LTD1ONAYA MASATO1
Top patents by PatentIndex Score
54 records- 0195US4691329ABlock encoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Sep 1, 1987·146 cites·9 claims
- 0293US4760378AMethod and apparatus for converting a run length limited codeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jul 26, 1988·53 cites·85 claims
- 0389US5126852ACompressed video signal recording/variable-speed reproduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jun 30, 1992·107 cites·2 claims
- 0482US4833470ACode conversion apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted May 23, 1989·36 cites·10 claims
- 0581US6115537ADigital signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 5, 2000·82 cites·35 claims
- 0680US7301467B2Position detection system, position detection method therefor, position detection communication device, and communication deviceSANYO ELECTRIC CO·Filed 2005·Granted Nov 27, 2007·17 cites·15 claims
- 0779US6424478B2Apparatus for recording and reproducing digital data and method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 23, 2002·12 cites·16 claims
- 0879US4633330ADigital recording and reproducing apparatus for television signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Dec 30, 1986·28 cites·18 claims
- 0978US7466219B2Communication device and distance calculation systemSANYO ELECTRIC CO·Filed 2005·Granted Dec 16, 2008·14 cites·20 claims
- 1077US4847871AViterbi detector for digital signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 11, 1989·51 cites·5 claims
- 1174US6567447B1Semiconductor laser device and semiconductor laser module using the sameFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted May 20, 2003·12 cites·40 claims
- 1274US6147823AMethod for recording digital data including a data conversion or format conversion, and apparatus using the methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 14, 2000·20 cites·32 claims
- 1372US4779073AApparatus for 3B-2T code conversionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Oct 18, 1988·37 cites·3 claims
- 1469US5394275AApparatus for selectively recording and reproducing two video signals having different amounts of data in each frameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Feb 28, 1995·29 cites·2 claims
- 1568US6362928B2Apparatus for recording and reproducing digital data and method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 26, 2002·6 cites·12 claims
- 1668US5655050AApparatus and method for recording and reproducing digital signal in synchronization blocksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 5, 1997·21 cites·10 claims
- 1768US5278706ADigital video signal recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 11, 1994·17 cites·4 claims
- 1865US6069902ABroadcast receiver, transmission control unit and recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 30, 2000·30 cites·15 claims
- 1965US5856890ADigital data recording and reproducing apparatus with reliable error correcting coding and decodingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 5, 1999·16 cites·27 claims
- 2064US6711343B1Data recording/reproducing device, file managing method, file information generating method, file managing method, management information generating device, management information analyzing device, and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 23, 2004·32 cites·5 claims
- 2161US5446597AApparatus for recording digital signals with associated auxiliary dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 29, 1995·13 cites·7 claims
- 2257US7246180B1Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 17, 2007·12 cites·26 claims
- 2356US5202890ABlock error detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 13, 1993·12 cites·7 claims
- 2454US6507819B1Sound signal processor for extracting sound signals from a composite digital sound signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 14, 2003·1 cites·12 claims
- 2553US6508596B1Apparatus using a method for recording digital data including a data conversion or format conversion, and apparatus using the methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 21, 2003·5 cites·2 claims
- 2652US5841941AEncoded data stream recording and reproducing apparatus with tape speed, channel number, and cylinder speed control in accordance with bit rateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 24, 1998·17 cites·6 claims
- 2750US5311372AMethod of recording digital signals in an interleaving array form with enhanced error interpolationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 10, 1994·11 cites·19 claims
- 2849US5638227ADigital data recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 10, 1997·6 cites·10 claims
- 2946US6038094ADigital data recording device having a rotary cylinderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 14, 2000·9 cites·4 claims
- 3046US5317457ADigital signal recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 31, 1994·6 cites·12 claims
- 3145US7068913B1Data processing system, recording/reproducing device, data processing method and file management methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 27, 2006·6 cites·79 claims
- 3244US6031959ATelevision signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 29, 2000·10 cites·26 claims
- 3344US6018609ACompressed television signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 25, 2000·6 cites·33 claims
- 3444US5486930AApparatus for recording and reproducing a video signal using a digital video cassette recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 23, 1996·9 cites·8 claims
- 3544US2006123072A1Random number generation deviceSANYO ELECTRIC CO·Filed 2003·Application pending·0 cites
- 3643US5787221ADigital signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 28, 1998·7 cites·3 claims
- 3743US2006179094A1Random number generatorONAYA MASATO·Filed 2003·Application pending·0 cites
- 3843US2007154022A1Echo Cancellation CircuitSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 3940US5594550ADigital signal recording apparatus for recording digital data comprising a plurality of recording blocksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 14, 1997·6 cites·16 claims
- 4040US2006171532A1Encryption Processing CircuitSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 4140US2007067374A1Random Number Generating CircuitSANYO ELECTRIC CO·Filed 2006·Application pending·0 cites
- 4238US5455719AData recording method in which pilot signal period coincides with cumulative bit disparities of insert dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 3, 1995·3 cites·20 claims
- 4338US2002024982A1Semiconductor laser deviceFiled 2001·Application pending·0 cites
- 4438US2006087403A1Keyless entry system, transmitter, and receiverSANYO ELECTRIC CO·Filed 2005·Application pending·0 cites
- 4537US6295406B1Digital signal recording apparatus for sampling and compressing signals according to various recording modesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 25, 2001·4 cites·7 claims
- 4637US5844739AMethod and apparatus for recording and reproducing digital dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 1, 1998·6 cites·27 claims
- 4736US6532269B2Data transmitter, data receiver, processor, equipment managing device, equipment managing system, data transmitting-receiving system, and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 11, 2003·4 cites·21 claims
- 4836US6141487AData recording/reproducing apparatus and method for high speed playMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Oct 31, 2000·5 cites·14 claims
- 4936US5982982AVideo signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 9, 1999·3 cites·13 claims
- 5036US5543937AApparatus for recording and playing back digital dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 6, 1996·5 cites·48 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →