Inventor · disambiguated record
Katsu Takeda
Also filed as: TAKEDA KATSU
43 granted patents·3 pending applications·844 citations·filing 1987–2016
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD33PANASONIC CORP4KONNO FUMIYASU3TAKEDA KATSU3PANASONIC IP MAN CO LTD2
Top patents by PatentIndex Score
46 records- 0197US7170215B2Electronic component and method for manufacturing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 30, 2007·114 cites·15 claims
- 0297US6566821B2Drive device and drive method for a cold cathode fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 20, 2003·174 cites·28 claims
- 0389US5929555APiezoelectric resonator and method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 27, 1999·50 cites·13 claims
- 0485US6720705B2Method of driving a piezoelectric transformer and power source apparatus using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 13, 2004·35 cites·21 claims
- 0583US6111338AAcceleration sensor and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Aug 29, 2000·53 cites·24 claims
- 0683US4853579ADrive method for ultrasonic motor providing enhanced stability of rotationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Aug 1, 1989·50 cites·9 claims
- 0782US8666106B2Sound reproducing deviceKONNO FUMIYASU·Filed 2012·Granted Mar 4, 2014·8 cites·23 claims
- 0882US5408376APiezoelectric head actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Apr 18, 1995·38 cites·22 claims
- 0982US4829209AUltrasonic motor with stator projections and at least two concentric rings of electrodesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted May 9, 1989·47 cites·6 claims
- 1081US5644199AMethod for driving an ultrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jul 1, 1997·41 cites·13 claims
- 1179US7145281B2Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Dec 5, 2006·6 cites·5 claims
- 1279US7034800B2Driving circuit and driving method for piezoelectric transformer, backlight apparatus, liquid crystal display apparatus, liquid crystal monitor, and liquid crystal TVMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 25, 2006·20 cites·82 claims
- 1373US7370396B2Method for manufacturing an electronic componentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted May 13, 2008·6 cites·4 claims
- 1471US9036856B2Sound reproduction devicePANASONIC CORP·Filed 2014·Granted May 19, 2015·3 cites·10 claims
- 1571US6227051B1Acceleration sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 8, 2001·13 cites·10 claims
- 1669US6812623B2Piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 2, 2004·11 cites·6 claims
- 1766US7012578B2Light emission control device, backlight device, liquid crystal display apparatus, liquid crystal monitor and liquid crystal televisionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 14, 2006·10 cites·33 claims
- 1863US5438229AUltrasonic motor and ultrasonic motor control methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 1, 1995·23 cites·21 claims
- 1961US9398127B2Portable terminal and skin property measuring instrumentPANASONIC IP MAN CO LTD·Filed 2013·Granted Jul 19, 2016·2 cites·14 claims
- 2060US9253578B2Directional loudspeakerKONNO FUMIYASU·Filed 2012·Granted Feb 2, 2016·1 cites·20 claims
- 2159US7202592B2Piezoelectric transformer, power supply circuit and lighting unit using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Apr 10, 2007·7 cites·13 claims
- 2259US7038354B2Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 2, 2006·6 cites·12 claims
- 2358US7030538B2Piezoelectric transformer, piezoelectric transformer unit, inverter circuit, light emission control device, and liquid crystal display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 18, 2006·6 cites·21 claims
- 2458US6509700B2Apparatus and method for driving a cathode discharge tubeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 21, 2003·13 cites·41 claims
- 2557US9565496B2Sound reproduction deviceKONNO FUMIYASU·Filed 2012·Granted Feb 7, 2017·1 cites·10 claims
- 2657US9100755B2Sound reproducing apparatus for sound reproduction using an ultrasonic transducer via mode-coupled vibrationTAKEDA KATSU·Filed 2009·Granted Aug 4, 2015·2 cites·7 claims
- 2757US6509671B2Driving method and driving circuit for piezoelectric transformer, cold cathode tube emission device, liquid crystal panel and liquid crystal panel built-in apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 21, 2003·6 cites·50 claims
- 2856US5327040AUltrasonic motor with a vibrating body and a moving body driven therebyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jul 5, 1994·15 cites·4 claims
- 2955US9743186B2Sound reproduction devicePANASONIC CORP·Filed 2014·Granted Aug 22, 2017·0 cites·12 claims
- 3055US5256928AUltrasonic motor with a vibrator having recessesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 26, 1993·17 cites·13 claims
- 3154US6989626B2Piezoelectric transformerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 24, 2006·4 cites·14 claims
- 3254US5448129AUltrasonic motor with vibrating body and moving body driven therebyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 5, 1995·14 cites·2 claims
- 3353US6243933B1Piezoelectric resonator and method for fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 12, 2001·10 cites·7 claims
- 3452US6911787B2Driving method and driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 28, 2005·4 cites·42 claims
- 3550US2006038466A1Piezoelectric transformer, piezoelectric transformer unit, inverter circuit, light emission control device, and liquid crystal display deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 3650US2011188672A1Acoustic reproduction devicePANASONIC CORP·Filed 2009·Application pending·0 cites
- 3749US6050144AAcceleration sensorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Apr 18, 2000·11 cites·5 claims
- 3847US8855333B2Ultrasonic speaker systemPANASONIC CORP·Filed 2014·Granted Oct 7, 2014·0 cites·6 claims
- 3947US8750543B2Sound reproduction deviceTAKEDA KATSU·Filed 2011·Granted Jun 10, 2014·0 cites·1 claims
- 4044US8861774B2Sound reproduction deviceTAKEDA KATSU·Filed 2011·Granted Oct 14, 2014·0 cites·10 claims
- 4144US5408156AUltrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Apr 18, 1995·12 cites·7 claims
- 4240US6992424B2Piezoelectric vibrator ladder-type filter using piezoeletric vibrator and double-mode piezolectric filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 31, 2006·2 cites·2 claims
- 4340US2004232806A1Piezoelectric transformer, power supply circuit and lighting unit using the sameFiled 2004·Application pending·0 cites
- 4438USD827841SUltrasonic sensorPANASONIC IP MAN CO LTD·Filed 2016·Granted Sep 4, 2018·2 cites·1 claims
- 4532US5300851ALinear-type actuatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Apr 5, 1994·4 cites·9 claims
- 4630US5457351AUltrasonic motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 10, 1995·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →