Inventor · disambiguated record
Kazuo Nishihama
Also filed as: NISHIHAMA KAZUO
18 granted patents·6 pending applications·45 citations·filing 2002–2022
90Inventor score
Files withHITACHI LTD10HITACHI CONSTRUCTION MACH CO3NISHIHAMA KAZUO3HITACHI ASTEMO LTD2HITACHI INDUSTRIAL PRODUCTS LTD1
Top patents by PatentIndex Score
24 records- 0191US11716039B2Winding switching device and rotating electrical machine drive system using the sameHITACHI ASTEMO LTD·Filed 2020·Granted Aug 1, 2023·2 cites·12 claims
- 0291US7541710B2Rotating electric machineHITACHI LTD·Filed 2005·Granted Jun 2, 2009·24 cites·4 claims
- 0372US11183898B2Rotary electric machine and manufacturing method for rotary electric machineHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2017·Granted Nov 23, 2021·1 cites·5 claims
- 0471US7498707B2Electrical rotation machine and a wind turbine systemHITACHI LTD·Filed 2006·Granted Mar 3, 2009·5 cites·2 claims
- 0569US12224650B2Drive system having an induction generator with a main winding and auxiliary windingHITACHI CONSTRUCTION MACH CO·Filed 2021·Granted Feb 11, 2025·0 cites·5 claims
- 0667US7737593B2Electrical rotation machine and a wind turbine systemHITACHI LTD·Filed 2009·Granted Jun 15, 2010·3 cites·4 claims
- 0764US7129613B2Rotating electrical machine and drive system of cage induction motorHITACHI LTD·Filed 2005·Granted Oct 31, 2006·4 cites·19 claims
- 0862US12191789B2Drive systemHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Jan 7, 2025·0 cites·7 claims
- 0962US12132430B2Rotating machine drive system and vehicleHITACHI ASTEMO LTD·Filed 2020·Granted Oct 29, 2024·0 cites·12 claims
- 1060US12319155B2Drive system for dump truckHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Jun 3, 2025·0 cites·3 claims
- 1154US11075570B2Rotary electric machine and drive system using sameHITACHI INDUSTRIAL PRODUCTS LTD·Filed 2017·Granted Jul 27, 2021·0 cites·10 claims
- 1253US10243430B2Rotating electrical machine with rotor and stator, with a stator core including packet coresHITACHI LTD·Filed 2016·Granted Mar 26, 2019·0 cites·8 claims
- 1352US8546991B2Synchronous generator and synchronous generator system for reducing distortion of current waveformSAWAHATA MASANORI·Filed 2009·Granted Oct 1, 2013·1 cites·9 claims
- 1449US6882078B2Rotating electrical machine and drive system of cage induction motorHITACHI LTD·Filed 2004·Granted Apr 19, 2005·5 cites·19 claims
- 1548US12034390B2Winding switching device of rotating electric machine, rotating electric machine drive system, and electric deviceHITACHI LTD·Filed 2020·Granted Jul 9, 2024·0 cites·9 claims
- 1647US2014252910A1Induction machineHITACHI LTD·Filed 2014·Application pending·0 cites
- 1746US11601082B2Rotary machine driving system and vehicleHITACHI LTD·Filed 2019·Granted Mar 7, 2023·0 cites·9 claims
- 1843US2014049134A1Induction electrical rotating machineKOKA HIDETOSHI·Filed 2012·Application pending·0 cites
- 1941US8816559B2Squirrel cage induction motor and squirrel cage induction motor driving systemNISHIHAMA KAZUO·Filed 2009·Granted Aug 26, 2014·0 cites·11 claims
- 2040US2008238237A1Induction machineNISHIHAMA KAZUO·Filed 2008·Application pending·0 cites
- 2138US2008238235A1Motor and compressor using the sameTAKAHASHI AKESHI·Filed 2008·Application pending·0 cites
- 2238US2004119347A1Rotating electric machineHITACHI LTD·Filed 2003·Application pending·0 cites
- 2337US8841812B2Squirrel-cage induction motorNISHIHAMA KAZUO·Filed 2011·Granted Sep 23, 2014·0 cites·3 claims
- 2436US2003173837A1Rotating electric machineFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →