Inventor · disambiguated record
Kiyoshi Nakata
Also filed as: NAKATA KIYOSHI
39 granted patents·1 pending application·1,516 citations·filing 1979–2023
98Inventor score
Top patents by PatentIndex Score
40 records- 0195USD477292SCombined television and baseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 15, 2003·58 cites·1 claims
- 0295USD476632SMonitor/television receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 1, 2003·64 cites·1 claims
- 0394US6437997B1Control device for electric power translating deviceHITACHI LTD·Filed 2001·Granted Aug 20, 2002·54 cites·32 claims
- 0493US6304472B1Electric power converting system with integrator providing output indicative of currentHITACHI LTD·Filed 2000·Granted Oct 16, 2001·84 cites·11 claims
- 0593US5361196APower converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltageHITACHI LTD·Filed 1993·Granted Nov 1, 1994·118 cites·18 claims
- 0688US5321599AControl apparatus for suppressing a third harmonic neutral point voltage in a three level inverterHITACHI LTD·Filed 1993·Granted Jun 14, 1994·83 cites·9 claims
- 0786US5459655ANeutral-point clamped inverter device using semiconductor modulesHITACHI LTD·Filed 1992·Granted Oct 17, 1995·80 cites·5 claims
- 0886US5250890AInverter control apparatusHITACHI LTD·Filed 1988·Granted Oct 5, 1993·59 cites·31 claims
- 0985US5731970APower conversion device and semiconductor module suitable for use in the deviceHITACHI LTD·Filed 1995·Granted Mar 24, 1998·71 cites·9 claims
- 1084US6456909B1Control apparatus of electric vehicleHITACHI LTD·Filed 2000·Granted Sep 24, 2002·47 cites·11 claims
- 1183US5627742AThree level power converting apparatus having means for balancing DC component thereofHITACHI LTD·Filed 1994·Granted May 6, 1997·85 cites·10 claims
- 1282US5177677APower conversion systemHITACHI LTD·Filed 1990·Granted Jan 5, 1993·87 cites·28 claims
- 1379US5801936ASemiconductor module for a power conversion deviceHITACHI LTD·Filed 1995·Granted Sep 1, 1998·51 cites·19 claims
- 1478US6307759B1Control device for electric power translating deviceHITACHI LTD·Filed 1998·Granted Oct 23, 2001·49 cites·9 claims
- 1578US5929519ASemiconductor module including switching device chips and diode chipsHITCHI LTD·Filed 1997·Granted Jul 27, 1999·49 cites·11 claims
- 1677USD496341STelevision receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Sep 21, 2004·21 cites·1 claims
- 1775US5467262AElectric power converting apparatusHITACHI LTD·Filed 1993·Granted Nov 14, 1995·41 cites·21 claims
- 1874US6166514AApparatus and method for controlling induction motorHITACHI LTD·Filed 1997·Granted Dec 26, 2000·69 cites·6 claims
- 1973USD513501SCombined television and baseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 10, 2006·18 cites·1 claims
- 2073US6556460B2Method for controlling a vehicle provided with an electric power converterHITACHI LTD·Filed 2002·Granted Apr 29, 2003·22 cites·5 claims
- 2171US11211881B2Power conversion device and electric railroad vehicle equipped with power conversion deviceHITACHI LTD·Filed 2018·Granted Dec 28, 2021·2 cites·10 claims
- 2271US6642689B2Control apparatus for power converterHITACHI LTD·Filed 2001·Granted Nov 4, 2003·32 cites·20 claims
- 2370US5506765AControl apparatus of power converter and control apparatus of electric motor vehicleHITACHI LTD·Filed 1993·Granted Apr 9, 1996·38 cites·21 claims
- 2469US5587891AElectric power converting apparatusHITACHI LTD·Filed 1995·Granted Dec 24, 1996·35 cites·1 claims
- 2568US5680299AElectric power conversion equipmentHITACHI LTD·Filed 1994·Granted Oct 21, 1997·36 cites·5 claims
- 2665USD515523STelevision receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Feb 21, 2006·13 cites·1 claims
- 2765US5532569AInverter control apparatusHITACHI LTD·Filed 1993·Granted Jul 2, 1996·33 cites·21 claims
- 2864US2025296609A1Railway upcycle system, method of same, and generation method by sameHITACHI LTD·Filed 2023·Application pending·0 cites
- 2963US5481448AMultilevel inverter having voltage dividing capacitors distributed across multiple armsHITACHI LTD·Filed 1994·Granted Jan 2, 1996·29 cites·16 claims
- 3061US5330338AApparatus for spinning of polyurethane elastic filamentsTOYO BOSEKI·Filed 1993·Granted Jul 19, 1994·12 cites·5 claims
- 3158US5499911AApparatus for spinning of polyurethane elastic filamentsTOYO BOSEKI·Filed 1994·Granted Mar 19, 1996·10 cites·14 claims
- 3257US8157968B2Oven observing equipment and push-out ram having the sameSATO MANABU·Filed 2007·Granted Apr 17, 2012·1 cites·10 claims
- 3356US6600978B2Railway vehicle operation-control system and a railway vehicle using the operation control systemHITACHI LTD·Filed 2001·Granted Jul 29, 2003·13 cites·23 claims
- 3448USD510732SLCD television receiver with DVD-RAM recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 18, 2005·6 cites·1 claims
- 3548US5781423APulse width modulation control system for electric power converterHITACHI LTD·Filed 1997·Granted Jul 14, 1998·16 cites·7 claims
- 3647US11701971B2Three-phase AC motor drive device, rail vehicle equipped with same, and three-phase AC motor drive methodHITACHI LTD·Filed 2020·Granted Jul 18, 2023·0 cites·11 claims
- 3746US6633495B2DC apparatus and vehicle using the sameHITACHI LTD·Filed 2002·Granted Oct 14, 2003·6 cites·12 claims
- 3843US5375050AElectric power converter arrangement and electric rolling stock control device using the sameHITACHI LTD·Filed 1992·Granted Dec 20, 1994·17 cites·10 claims
- 3938USD512390SDVD-RAM recorder with LCD television receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 6, 2005·3 cites·1 claims
- 4036US4250808APrinterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Feb 17, 1981·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →