Inventor · disambiguated record
Seiji Sakashita
Also filed as: SAKASHITA SEIJI
51 granted patents·1,009 citations·filing 1985–2018
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD34PANASONIC CORP15PANASONIC IP MAN CO LTD1SOVEREIGN PEAK VENTURES LLC1
Top patents by PatentIndex Score
51 records- 0198US7203158B2OFDM signal transmission system, portable terminal, and e-commerce systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 10, 2007·168 cites·3 claims
- 0296US7809407B2OFDM signal transmission system, portable terminal, and e-commerce systemPANASONIC CORP·Filed 2007·Granted Oct 5, 2010·42 cites·2 claims
- 0396US5600672ACommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Feb 4, 1997·237 cites·12 claims
- 0489USRE42643ECommunication systemPANASONIC CORP·Filed 2009·Granted Aug 23, 2011·18 cites·16 claims
- 0589US7054592B2Transmission apparatus and reception apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 30, 2006·36 cites·14 claims
- 0688US5535220AForward error correcting transmitter and receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 9, 1996·65 cites·6 claims
- 0784USRE45737EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Oct 6, 2015·2 cites·4 claims
- 0881USRE41001ECommunication systemPANASONIC CORP·Filed 2000·Granted Nov 24, 2009·19 cites·18 claims
- 0980US6067329AVSB demodulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 23, 2000·125 cites·3 claims
- 1080US5014349ATelevision tuner for common use in BS/UVMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted May 7, 1991·41 cites·5 claims
- 1179USRE46775EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC IP MAN CO LTD·Filed 2014·Granted Apr 3, 2018·2 cites·3 claims
- 1279US4939789ASignal receiver for terrestrial and satellite broadcastingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jul 3, 1990·39 cites·15 claims
- 1370USRE47844EOFDM signal transmission system, portable terminal and E-commerce systemSOVEREIGN PEAK VENTURES LLC·Filed 2018·Granted Feb 4, 2020·0 cites·9 claims
- 1470USRE45706EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Sep 29, 2015·0 cites·14 claims
- 1569US7689163B2Transmission apparatus and reception apparatusPANASONIC CORP·Filed 2005·Granted Mar 30, 2010·2 cites·12 claims
- 1669USRE40256ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 22, 2008·8 cites·18 claims
- 1766USRE45758EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Oct 13, 2015·0 cites·11 claims
- 1866USRE45663EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Sep 1, 2015·0 cites·21 claims
- 1966USRE45662EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Sep 1, 2015·0 cites·17 claims
- 2065USRE45784EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Oct 27, 2015·0 cites·4 claims
- 2165USRE45654EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2013·Granted Aug 11, 2015·0 cites·20 claims
- 2265USRE45218EOFDM signal transmission system, portable terminal and E-commerce systemPANASONIC CORP·Filed 2012·Granted Oct 28, 2014·0 cites·20 claims
- 2364US5134707ASatellite receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 28, 1992·27 cites·15 claims
- 2461USRE40978ECommunication systemPANASONIC CORP·Filed 2000·Granted Nov 17, 2009·3 cites·30 claims
- 2560US4780909ASignal receiver having automatic frequency characteristic adjusting capabilityMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Oct 25, 1988·18 cites·18 claims
- 2658USRE39929ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 27, 2007·2 cites·14 claims
- 2757USRE40779ECommunication systemPANASONIC CORP·Filed 2004·Granted Jun 23, 2009·2 cites·24 claims
- 2857US4677692AFrequency conversion apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jun 30, 1987·15 cites·16 claims
- 2955US5398080ATelevision receiver for terrestrial broadcastingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 14, 1995·18 cites·5 claims
- 3054USRE39927ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 27, 2007·1 cites·18 claims
- 3153USRE39902ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 30, 2007·1 cites·21 claims
- 3253US4806876AHigh frequency amplifier circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Feb 21, 1989·10 cites·6 claims
- 3350USRE40206ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 1, 2008·0 cites·20 claims
- 3449USRE40701ECommunication systemPANASONIC CORP·Filed 2003·Granted Apr 14, 2009·0 cites·21 claims
- 3549US6967694B1Demodulator for demodulating digital broadcast signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 22, 2005·20 cites·6 claims
- 3648US5610948ADigital demodulation apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 11, 1997·24 cites·6 claims
- 3747USRE39956ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 25, 2007·0 cites·24 claims
- 3847US5920228ADigital demodulation with compensation for phase and frequency of tentatively demodulated signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 6, 1999·22 cites·48 claims
- 3946USRE40255ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 22, 2008·0 cites·16 claims
- 4046USRE40175ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 25, 2008·0 cites·20 claims
- 4146USRE40174ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 25, 2008·0 cites·18 claims
- 4246USRE39928ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 27, 2007·0 cites·28 claims
- 4346US4987606AWide band transmission system with biasing of gain control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Jan 22, 1991·12 cites·15 claims
- 4445USRE40242ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 15, 2008·0 cites·27 claims
- 4545USRE40134ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 4, 2008·0 cites·18 claims
- 4645USRE39890ECommunication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Oct 23, 2007·0 cites·16 claims
- 4743US5914983ADigital signal error reduction apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jun 22, 1999·17 cites·6 claims
- 4841US5241538ATransmission apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 31, 1993·7 cites·28 claims
- 4937US5061999AMultiplex signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Oct 29, 1991·4 cites·24 claims
- 5032US5239379ATelevision signal receiving apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 24, 1993·2 cites·17 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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