Assignee
MATSUSHITA ELECTRIC WORKS LTD
JP·1,572 granted patents·99 pending applications·58,663 citations·filing 1973–2009
Top patents by PatentIndex Score
1,671 records- 0198US7514818B2Power supply systemMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Apr 7, 2009·247 cites·6 claims
- 0298US7346422B2System for assisting selection of power toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Mar 18, 2008·121 cites·8 claims
- 0398US7334648B2Rotary impact power toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Feb 26, 2008·94 cites·9 claims
- 0498US5746282APower-assisted cartMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted May 5, 1998·160 cites·22 claims
- 0598USD373631SOral cavity cleanerMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Sep 10, 1996·157 cites·1 claims
- 0698USD373419SSphygmomanometerMATSUSHITA ELECTRIC WORKS LTD·Filed 1995·Granted Sep 3, 1996·169 cites·1 claims
- 0798US5493747AElectric toothbrushMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Feb 27, 1996·191 cites·23 claims
- 0898US4954736APermanent magnet rotor with magnets secured by synthetic resinMATSUSHITA ELECTRIC WORKS LTD·Filed 1989·Granted Sep 4, 1990·223 cites·9 claims
- 0998US4649552AElectronic pedometer with step sensor in removable insoleMATSUSHITA ELECTRIC WORKS LTD·Filed 1984·Granted Mar 10, 1987·204 cites·3 claims
- 1097USD577814SElectric facial pore cleanerMATSUSHITA ELECTRIC WORKS LTD·Filed 2007·Granted Sep 30, 2008·151 cites·1 claims
- 1197US7419013B2Rotary impact toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Sep 2, 2008·80 cites·7 claims
- 1297USD545759SBatteryMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Jul 3, 2007·105 cites·1 claims
- 1397US7086483B2Electric toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Aug 8, 2006·103 cites·9 claims
- 1497US6978846B2Power tool used for fastening screw or boltMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Dec 27, 2005·103 cites·17 claims
- 1597US6945337B2Power impact toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Sep 20, 2005·98 cites·9 claims
- 1697US6874910B2Light source device using LED, and method of producing sameMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Apr 5, 2005·278 cites·22 claims
- 1797US6740416B1Aerogel substrate and method for preparing the sameMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted May 25, 2004·96 cites·25 claims
- 1897US6457535B1Impact rotary toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Oct 1, 2002·209 cites·19 claims
- 1997US6371218B1Impact-driven rotating deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Apr 16, 2002·101 cites·18 claims
- 2097US5967934APlanetary transmission with releaseable one way clutchMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Oct 19, 1999·185 cites·5 claims
- 2197USD413975SOral cavity cleanerMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Sep 14, 1999·163 cites·1 claims
- 2297US5892194ASealed contact device with contact gap adjustment capabilityMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Apr 6, 1999·184 cites·12 claims
- 2397US5504959AElectric toothbrushMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Apr 9, 1996·264 cites·7 claims
- 2497US4936027AHair dryer and steamer combinationMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted Jun 26, 1990·126 cites·12 claims
- 2597US4747786ACoaxial cable connectorMATSUSHITA ELECTRIC WORKS LTD·Filed 1987·Granted May 31, 1988·210 cites·8 claims
- 2697US4599598AData transmission system utilizing power lineMATSUSHITA ELECTRIC WORKS LTD·Filed 1985·Granted Jul 8, 1986·273 cites·6 claims
- 2796US7428934B2Impact fastening toolMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Sep 30, 2008·47 cites·20 claims
- 2896US7410364B2Connector with header connector and socket connector that are mechanically and electrically connected with each otherMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Aug 12, 2008·69 cites·4 claims
- 2996USD538430SFacial treatment applianceMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Mar 13, 2007·82 cites·1 claims
- 3096US6911884B2Electromagnetic switching apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Jun 28, 2005·104 cites·23 claims
- 3196US6892827B2Electrically operated vibrating drill/driverMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted May 17, 2005·112 cites·3 claims
- 3296USD489183SElectronic toothbrush bodyMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted May 4, 2004·213 cites·1 claims
- 3396US6700466B1ContactorMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Mar 2, 2004·136 cites·16 claims
- 3496US6682688B1Method of manufacturing a three-dimensional objectMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Jan 27, 2004·130 cites·1 claims
- 3596US6176840B1Ultrasonic cosmetic treatment deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1998·Granted Jan 23, 2001·185 cites·20 claims
- 3696US5975916ALow profile electrical connector assemblyMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Nov 2, 1999·115 cites·8 claims
- 3796USD403070SSphygmomanometerMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Dec 22, 1998·87 cites·1 claims
- 3896US5350977ALuminaire of variable color temperature for obtaining a blend color light of a desired color temperature from different emission-color light sourcesMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted Sep 27, 1994·262 cites·14 claims
- 3996US5024650AStress dissolving refreshment systemMATSUSHITA ELECTRIC WORKS LTD·Filed 1990·Granted Jun 18, 1991·219 cites·24 claims
- 4096US4679077AVisual Image sensor systemMATSUSHITA ELECTRIC WORKS LTD·Filed 1985·Granted Jul 7, 1987·264 cites·45 claims
- 4196US4677473ASoldering inspection system and method thereforMATSUSHITA ELECTRIC WORKS LTD·Filed 1985·Granted Jun 30, 1987·222 cites·16 claims
- 4296US4555849ABattery powered portable sawMATSUSHITA ELECTRIC WORKS LTD·Filed 1983·Granted Dec 3, 1985·132 cites·3 claims
- 4396US4556873AFire alarm systemMATSUSHITA ELECTRIC WORKS LTD·Filed 1984·Granted Dec 3, 1985·121 cites·10 claims
- 4496US4522270AHand-held electric toolMATSUSHITA ELECTRIC WORKS LTD·Filed 1983·Granted Jun 11, 1985·183 cites·11 claims
- 4595US7543546B2Plasma processing apparatus, method for producing reaction vessel for plasma generation, and plasma processing methodMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Jun 9, 2009·76 cites·20 claims
- 4695USD569521SBlood pressure monitorMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted May 20, 2008·86 cites·1 claims
- 4795USD548334SOral irrigatorMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Aug 7, 2007·187 cites·1 claims
- 4895USD533650SFacial steamerMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Dec 12, 2006·62 cites·1 claims
- 4995US7146254B1Systems and methods for optimizing the efficiency of a watering system through use of a computer networkMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Dec 5, 2006·56 cites·9 claims
- 5095US7035719B2Tone generating electronic device with paging module for verification of energy curtailmentMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Apr 25, 2006·186 cites·8 claims
Showing the top 50 of 1,671 patent records by PatentIndex Score.
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