Inventor · disambiguated record
Yasumasa Hagiwara
Also filed as: HAGIWARA YASUMASA
23 granted patents·6 pending applications·514 citations·filing 1989–2019
96Inventor score
Files withDENSO CORP16ADVANCED MOBILE TELECOMMUNICAT2CRYODEVICE INC2KAWAGUCHI TOURU2NIPPON DENSO CO2
Top patents by PatentIndex Score
29 records- 0198US5105918ADetection of damping force for shock absorber controlNIPPON DENSO CO·Filed 1989·Granted Apr 21, 1992·180 cites·1 claims
- 0295US7258085B2Control device for free piston engine and method for the sameDENSO CORP·Filed 2005·Granted Aug 21, 2007·48 cites·7 claims
- 0389US6945202B2Free piston engine and power generation system therewithDENSO CORP·Filed 2004·Granted Sep 20, 2005·47 cites·16 claims
- 0487US7958934B2Counter-stream-mode oscillating-flow heat transport apparatusDENSO CORP·Filed 2008·Granted Jun 14, 2011·12 cites·5 claims
- 0587US7073331B2Steam engineDENSO CORP·Filed 2005·Granted Jul 11, 2006·15 cites·18 claims
- 0686US7424802B2Steam engineDENSO CORP·Filed 2005·Granted Sep 16, 2008·12 cites·8 claims
- 0786US7185491B2Steam engineDENSO CORP·Filed 2005·Granted Mar 6, 2007·13 cites·19 claims
- 0883US6931852B2Steam engineDENSO CORP·Filed 2003·Granted Aug 23, 2005·27 cites·11 claims
- 0981US6973788B2Steam engineDENSO CORP·Filed 2005·Granted Dec 13, 2005·8 cites·24 claims
- 1080US6540485B2Linear compressorCRYODEVICE INC·Filed 2001·Granted Apr 1, 2003·22 cites·12 claims
- 1180US6499972B2Linear compressorCRYODEVICE INC·Filed 2001·Granted Dec 31, 2002·20 cites·28 claims
- 1268US7503176B2Liquid pump and Rankine cycle apparatusDENSO CORP·Filed 2005·Granted Mar 17, 2009·5 cites·13 claims
- 1365US5701743APulse tube refrigeratorADVANCED MOBILE TELECOMMUNICAT·Filed 1996·Granted Dec 30, 1997·29 cites·5 claims
- 1464US6138459ALinear compressor for regenerative refrigeratorADVANCED MOBILE TELECOMM TECHN·Filed 1999·Granted Oct 31, 2000·23 cites·7 claims
- 1559US7665510B2Fluid drive unit and heat transport systemDENSO CORP·Filed 2004·Granted Feb 23, 2010·9 cites·19 claims
- 1657US7905090B2Steam engineDENSO CORP·Filed 2008·Granted Mar 15, 2011·0 cites·8 claims
- 1755US7867466B2Thermally conductive, electrically insulating material and production method thereofDENSO CORP·Filed 2007·Granted Jan 11, 2011·0 cites·21 claims
- 1853US2008277104A1Al-AlN composite material, related manufacturing method and heat exchanger using such composite materialDENSO CORP·Filed 2008·Application pending·0 cites
- 1952US8256502B2Heat exchange member and heat exchange apparatusKAWAGUCHI TOURU·Filed 2008·Granted Sep 4, 2012·1 cites·16 claims
- 2052US5689959APulse tube refrigerator and method of using the sameADVANCED MOBILE TELECOMMUNICAT·Filed 1996·Granted Nov 25, 1997·17 cites·18 claims
- 2150US10767538B2Energy conversion deviceDENSO CORP·Filed 2019·Granted Sep 8, 2020·0 cites·6 claims
- 2249US7574863B2Fluid pump and Rankine cycle systemDENSO CORP·Filed 2006·Granted Aug 18, 2009·0 cites·3 claims
- 2348US2006237177A1Counter-stream-mode oscillating-flow heat transport apparatusNARA KENICHI·Filed 2006·Application pending·0 cites
- 2447US2011076406A1Thermally conductive, electrically insulating material and production method thereofDENSO CORP·Filed 2010·Application pending·0 cites
- 2544US5129489AHydraulically operated displacement transmission mechanism for shock absorber with variable damping forceNIPPONDENSO CO LTD 1 1·Filed 1989·Granted Jul 14, 1992·16 cites·13 claims
- 2639US5078239AShock absorber with adjustable damping forceNIPPON DENSO CO·Filed 1989·Granted Jan 7, 1992·10 cites·28 claims
- 2739US2004035555A1Counter-stream-mode oscillating-flow heat transport apparatusFiled 2003·Application pending·0 cites
- 2839US2004061384A1Linear electric machineFiled 2003·Application pending·0 cites
- 2937US2008078975A1Heat transport mediumKAWAGUCHI TOURU·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →