Inventor · disambiguated record
Kinya Nakatsu
Also filed as: NAKATSU KINYA
96 granted patents·10 pending applications·1,523 citations·filing 1998–2025
99Inventor score
Top patents by PatentIndex Score
106 records- 0199US7978471B2Electric power conversion apparatusHITACHI LTD·Filed 2009·Granted Jul 12, 2011·68 cites·15 claims
- 0297US8587977B2Power inverterNISHIKIMI FUSANORI·Filed 2012·Granted Nov 19, 2013·36 cites·18 claims
- 0397US8416574B2Electric power conversion apparatusTOKUYAMA TAKESHI·Filed 2011·Granted Apr 9, 2013·28 cites·9 claims
- 0497US8376069B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2012·Granted Feb 19, 2013·47 cites·3 claims
- 0597US8240411B2Power conversion apparatus and electric vehicleNAKATSU KINYA·Filed 2009·Granted Aug 14, 2012·52 cites·17 claims
- 0697US8064234B2Power conversion apparatusTOKUYAMA TAKESHI·Filed 2008·Granted Nov 22, 2011·45 cites·12 claims
- 0797US7969735B2Power converterHITACHI LTD·Filed 2007·Granted Jun 28, 2011·48 cites·15 claims
- 0897US7742303B2Electric power converterHITACHI LTD·Filed 2007·Granted Jun 22, 2010·83 cites·22 claims
- 0996US10348214B2Power module, power converter device, and electrically powered vehicleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jul 9, 2019·13 cites·10 claims
- 1096US9137932B2Electric power conversion apparatusHITACHI LTD·Filed 2015·Granted Sep 15, 2015·12 cites·7 claims
- 1196US9042101B2Electric power conversion apparatusHITACHI LTD·Filed 2014·Granted May 26, 2015·16 cites·8 claims
- 1296US7978468B2Power converterHITACHI LTD·Filed 2010·Granted Jul 12, 2011·20 cites·7 claims
- 1396US7830689B2Power converterHITACHI LTD·Filed 2007·Granted Nov 9, 2010·50 cites·21 claims
- 1496US7504720B2Semiconductor unit, and power conversion system and on-vehicle electrical system using the sameHITACHI LTD·Filed 2006·Granted Mar 17, 2009·38 cites·18 claims
- 1595US8863869B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2013·Granted Oct 21, 2014·16 cites·10 claims
- 1695US8462531B2Power inverterNISHIKIMI FUSANORI·Filed 2011·Granted Jun 11, 2013·19 cites·11 claims
- 1795US6144571ASemiconductor module, power converter using the same and manufacturing method thereofHITACHI LTD·Filed 2000·Granted Nov 7, 2000·111 cites·16 claims
- 1894US10321585B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2018·Granted Jun 11, 2019·10 cites·9 claims
- 1994US8917509B2Electric power conversion apparatusHITACHI LTD·Filed 2013·Granted Dec 23, 2014·11 cites·12 claims
- 2093US10524398B2Electric power conversion apparatusHITACHI LTD·Filed 2017·Granted Dec 31, 2019·6 cites·7 claims
- 2193US9000553B2Power module and power converter containing power moduleTOKUYAMA TAKESHI·Filed 2011·Granted Apr 7, 2015·16 cites·13 claims
- 2293US8699254B2Power inverterNISHIKIMI FUSANORI·Filed 2008·Granted Apr 15, 2014·22 cites·6 claims
- 2393US7968925B2Power semiconductor module for inverter circuit systemHITACHI LTD·Filed 2010·Granted Jun 28, 2011·14 cites·8 claims
- 2493US7812443B2Power semiconductor module for inverter circuit systemHITACHI LTD·Filed 2008·Granted Oct 12, 2010·26 cites·20 claims
- 2593US7271557B2AC motor driving apparatus and method of controlling the sameHITACHI LTD·Filed 2006·Granted Sep 18, 2007·33 cites·20 claims
- 2692US9888591B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2015·Granted Feb 6, 2018·6 cites·8 claims
- 2792US8946567B2Power module, power converter device, and electrically powered vehicleNAKATSU KINYA·Filed 2009·Granted Feb 3, 2015·19 cites·14 claims
- 2892US7952876B2Electric power converterHITACHI LTD·Filed 2010·Granted May 31, 2011·18 cites·6 claims
- 2992US7692923B2Power converterHITACHI LTD·Filed 2008·Granted Apr 6, 2010·25 cites·8 claims
- 3091US11089702B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2019·Granted Aug 10, 2021·6 cites·11 claims
- 3191US8952525B2Semiconductor module and method for manufacturing semiconductor moduleIDE EIICHI·Filed 2011·Granted Feb 10, 2015·23 cites·8 claims
- 3291US8902623B2Power inverterHITACHI LTD·Filed 2013·Granted Dec 2, 2014·8 cites·5 claims
- 3391US8675364B2Power module and power conversion deviceTOKUYAMA TAKESHI·Filed 2010·Granted Mar 18, 2014·14 cites·10 claims
- 3491US8411441B2Power converterNAKATSU KINYA·Filed 2011·Granted Apr 2, 2013·9 cites·7 claims
- 3591US7745952B2Electric circuit module with improved heat dissipation characteristics using a fixing tool for fixing an electric apparatus to a heat sinkHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jun 29, 2010·23 cites·3 claims
- 3690US11139748B2Power module, power converter device, and electrically powered vehicleHITACHI ASTEMO LTD·Filed 2019·Granted Oct 5, 2021·4 cites·3 claims
- 3790US9439332B2Power moduleIDE EIICHI·Filed 2012·Granted Sep 6, 2016·15 cites·13 claims
- 3889US9729076B2Power module, power converter device, and electrically powered vehicleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Aug 8, 2017·5 cites·8 claims
- 3989US9095079B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2014·Granted Jul 28, 2015·6 cites·6 claims
- 4089US8653652B2Semiconductor device, power semiconductor module and power conversion device equipped with power semiconductor moduleTOKUYAMA TAKESHI·Filed 2010·Granted Feb 18, 2014·12 cites·20 claims
- 4189US8422235B2Semiconductor device, and power conversion device using semiconductor deviceAZUMA KATSUNORI·Filed 2009·Granted Apr 16, 2013·21 cites·2 claims
- 4289US8081472B2Electric circuit device, electric circuit module, and power converterTOKUYAMA TAKESHI·Filed 2010·Granted Dec 20, 2011·10 cites·7 claims
- 4388US8212382B2Power conversion apparatus and electric vehicleNAKATSU KINYA·Filed 2009·Granted Jul 3, 2012·16 cites·13 claims
- 4488US7961472B2Electric circuit device, electric circuit module, and power converterHITACHI LTD·Filed 2007·Granted Jun 14, 2011·14 cites·18 claims
- 4587US10178780B2Power conversion apparatus and electric vehicleHITACHI LTD·Filed 2017·Granted Jan 8, 2019·3 cites·3 claims
- 4687US8659130B2Power module and power module manufacturing methodTAKAGI YUSUKE·Filed 2011·Granted Feb 25, 2014·13 cites·13 claims
- 4787US8503209B2Power conversion apparatus and cooling structure thereforTOKUYAMA TAKESHI·Filed 2011·Granted Aug 6, 2013·6 cites·3 claims
- 4887US7206204B2Electric circuit moduleHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Apr 17, 2007·53 cites·20 claims
- 4986US9648791B2Electric power conversion apparatusHITACHI LTD·Filed 2015·Granted May 9, 2017·3 cites·7 claims
- 5086US8674636B2Power conversion deviceMATSUO TAKESHI·Filed 2009·Granted Mar 18, 2014·12 cites·7 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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