Assignee
MATSUSHITA ELECTRIC CORP
US·146 granted patents·8,279 citations·filing 1974–2003
Top patents by PatentIndex Score
146 records- 0197US5619337AMPEG transport encoding/decoding system for recording transport streamsMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Apr 8, 1997·334 cites·9 claims
- 0297US5534944AMethod of splicing MPEG encoded videoMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Jul 9, 1996·190 cites·16 claims
- 0396US5442407AVideo signal noise reduction system using time-varying filter coefficientsMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Aug 15, 1995·182 cites·13 claims
- 0495US6266098B1Function presentation and selection using a rotatable function menuMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Jul 24, 2001·565 cites·42 claims
- 0595USD440019SCanister vacuum power headMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Apr 3, 2001·61 cites·1 claims
- 0695US6030465AExtractor with twin, counterrotating agitatorsMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Feb 29, 2000·210 cites·5 claims
- 0795US5917481AElectronic television program guide with selective updatingMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Jun 29, 1999·269 cites·20 claims
- 0895US5623311AMPEG video decoder having a high bandwidth memoryMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Apr 22, 1997·254 cites·8 claims
- 0995US5293229AApparatus and method for processing groups of fields in a video data compression systemMATSUSHITA ELECTRIC CORP·Filed 1992·Granted Mar 8, 1994·150 cites·12 claims
- 1094US5699125AElectronic television program guide for a television system having two tunersMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Dec 16, 1997·281 cites·15 claims
- 1194US5502493AVariable length data decoder for use with MPEG encoded video dataMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Mar 26, 1996·169 cites·14 claims
- 1293US6351872B1Agitator motor projection system for vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Mar 5, 2002·74 cites·19 claims
- 1393US6195438B1Method and apparatus for leveling and equalizing the audio output of an audio or audio-visual systemMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Feb 27, 2001·105 cites·31 claims
- 1493US5650825AMethod and apparatus for sending private data instead of stuffing bits in an MPEG bit streamMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Jul 22, 1997·178 cites·18 claims
- 1593US5589993ADigital high definition television video recorder with trick-play featuresMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Dec 31, 1996·141 cites·8 claims
- 1693US5294974AHigh-definition video encoding system having color-sensitive quantizationMATSUSHITA ELECTRIC CORP·Filed 1992·Granted Mar 15, 1994·160 cites·11 claims
- 1792US6411337B2Function presentation and selection using a rotatable function menuMATSUSHITA ELECTRIC CORP·Filed 2001·Granted Jun 25, 2002·115 cites·10 claims
- 1892US5477397ADigital high definition television receiver with features that facilitate trick-play modes on a digital VCRMATSUSHITA ELECTRIC CORP·Filed 1993·Granted Dec 19, 1995·151 cites·8 claims
- 1990US6807708B2Upright vacuum cleaner with dual hoses and hose portsMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Oct 26, 2004·67 cites·16 claims
- 2090US6289552B1Vacuum cleaner with dual agitator windowsMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Sep 18, 2001·59 cites·14 claims
- 2190USRE36507EApparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-fieldMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Jan 18, 2000·112 cites·1 claims
- 2290US5659366ANotification system for television receiversMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Aug 19, 1997·376 cites·18 claims
- 2390US5550984ASecurity system for preventing unauthorized communications between networks by translating communications received in ip protocol to non-ip protocol to remove address and routing services informationMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Aug 27, 1996·784 cites·13 claims
- 2490US4041535AFrequency synthesizer tuning system with signal seek controlMATSUSHITA ELECTRIC CORP·Filed 1976·Granted Aug 9, 1977·26 cites·7 claims
- 2590US4038689AFrequency synthesizer tuning system with manual fine tuning controlMATSUSHITA ELECTRIC CORP·Filed 1976·Granted Jul 26, 1977·24 cites·12 claims
- 2689US6944226B1System and associated method for transcoding discrete cosine transform coded signalsMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Sep 13, 2005·61 cites·15 claims
- 2789US6772474B2Upright vacuum cleaner with spring loaded nozzleMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Aug 10, 2004·45 cites·24 claims
- 2888US5532748AHybrid analog/digital television transmission systemMATSUSHITA ELECTRIC CORP·Filed 1995·Granted Jul 2, 1996·110 cites·20 claims
- 2988US5361105ANoise reduction system using multi-frame motion estimation, outlier rejection and trajectory correctionMATSUSHITA ELECTRIC CORP·Filed 1993·Granted Nov 1, 1994·93 cites·18 claims
- 3087US6832408B2Caddy for vacuum cleaner tool and accessoriesMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Dec 21, 2004·48 cites·11 claims
- 3187US6441420B1Semiconductor device and method of fabricating the sameMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Aug 27, 2002·29 cites·7 claims
- 3287US5325125AIntra-frame filter for video compression systemsMATSUSHITA ELECTRIC CORP·Filed 1992·Granted Jun 28, 1994·94 cites·20 claims
- 3387US4280104APhase locked loop system with improved acquisitionMATSUSHITA ELECTRIC CORP·Filed 1979·Granted Jul 21, 1981·36 cites·13 claims
- 3486USD481844SFilter canister for vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Nov 4, 2003·35 cites·1 claims
- 3586US6148474AVacuum cleaner and wand assemblyMATSUSHITA ELECTRIC CORP·Filed 1999·Granted Nov 21, 2000·91 cites·37 claims
- 3686US5926573AMPEG bit-stream format converter for changing resolutionMATSUSHITA ELECTRIC CORP·Filed 1996·Granted Jul 20, 1999·96 cites·22 claims
- 3786US5260773AColor alternating 3-dimensional TV systemMATSUSHITA ELECTRIC CORP·Filed 1991·Granted Nov 9, 1993·77 cites·13 claims
- 3885USD488894SFolding upright vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2003·Granted Apr 20, 2004·31 cites·1 claims
- 3985US5510842AParallel architecture for a high definition television video decoder having multiple independent frame memoriesMATSUSHITA ELECTRIC CORP·Filed 1994·Granted Apr 23, 1996·72 cites·9 claims
- 4084US6298173B1Storage management system for document image databaseMATSUSHITA ELECTRIC CORP·Filed 1997·Granted Oct 2, 2001·84 cites·33 claims
- 4184US5828416ASystem and method for interfacing a transport decoder to a elementary stream video decorderMATSUSHITA ELECTRIC CORP·Filed 1996·Granted Oct 27, 1998·91 cites·3 claims
- 4284US5737019AMethod and apparatus for changing resolution by direct DCT mappingMATSUSHITA ELECTRIC CORP·Filed 1996·Granted Apr 7, 1998·90 cites·15 claims
- 4382US6411927B1Robust preprocessing signal equalization system and method for normalizing to a target environmentMATSUSHITA ELECTRIC CORP·Filed 1998·Granted Jun 25, 2002·108 cites·16 claims
- 4482US5818539ASystem and method for updating a system time constant (STC) counter following a discontinuity in an MPEG-2 transport data streamMATSUSHITA ELECTRIC CORP·Filed 1996·Granted Oct 6, 1998·80 cites·7 claims
- 4582US5198901ADerivation and use of motion vectors in a differential pulse code modulation systemMATSUSHITA ELECTRIC CORP·Filed 1991·Granted Mar 30, 1993·88 cites·9 claims
- 4681US6766559B2Telescoping handle for upright vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Jul 27, 2004·47 cites·18 claims
- 4781USD487323SUpright bagless vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2002·Granted Mar 2, 2004·25 cites·1 claims
- 4881USD444275SDirt container for bagless upright vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Jun 26, 2001·26 cites·1 claims
- 4980US6421874B1Pivotal edge cleaning brushes for vacuum cleanerMATSUSHITA ELECTRIC CORP·Filed 2000·Granted Jul 23, 2002·29 cites·20 claims
- 5080US6035486ADust bag housing door with final filtration compartmentMATSUSHITA ELECTRIC CORP·Filed 1999·Granted Mar 14, 2000·45 cites·6 claims
Showing the top 50 of 146 patent records by PatentIndex Score.
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