Inventor · disambiguated record
Toshihiko Fukushima
Also filed as: ARAI AKIRA · FUKUSHIMA TOSHIHIKO
39 granted patents·7 pending applications·1,016 citations·filing 1978–2018
98Inventor score
Top patents by PatentIndex Score
46 records- 0194US4617804ARefrigerant flow control deviceHITACHI LTD·Filed 1986·Granted Oct 21, 1986·105 cites·6 claims
- 0293US5744880ARotating motor and motor-driven vehicleHITACHI LTD·Filed 1996·Granted Apr 28, 1998·122 cites·19 claims
- 0393US5101640AAir conditioning apparatus, heat exchanger for use in the apparatus and apparatus control methodHITACHI LTD·Filed 1990·Granted Apr 7, 1992·99 cites·12 claims
- 0492US5803165AHeat exchangerHITACHI LTD·Filed 1996·Granted Sep 8, 1998·72 cites·5 claims
- 0586US7995189B2Optical distance measuring sensor and electronic deviceSHARP KK·Filed 2009·Granted Aug 9, 2011·16 cites·20 claims
- 0686US7485924B2Lateral double-diffused field effect transistor and integrated circuit having sameSHARP KK·Filed 2006·Granted Feb 3, 2009·13 cites·7 claims
- 0785US7669418B2Heat energy supply system and method, and reconstruction method of the systemHITACHI LTD·Filed 2005·Granted Mar 2, 2010·13 cites·10 claims
- 0885US6380603B1Photosensitive device with internal circuitry that includes on the same substrateSHARP KK·Filed 2000·Granted Apr 30, 2002·42 cites·8 claims
- 0982US4653288AApparatus for measuring refrigerant flow rate in refrigeration cycleHITACHI LTD·Filed 1985·Granted Mar 31, 1987·58 cites·14 claims
- 1081US7861548B2Heat pump system and heat pump operation methodHITACHI LTD·Filed 2006·Granted Jan 4, 2011·8 cites·13 claims
- 1181US6584793B2Cogeneration systemHITACHI LTD·Filed 2002·Granted Jul 1, 2003·22 cites·14 claims
- 1281US6253567B1Ice thermal storage type air conditioner and ice thermal storage tankHITACHI LTD·Filed 1999·Granted Jul 3, 2001·69 cites·12 claims
- 1381US6018963ARefrigeration cycleHITACHI LTD·Filed 1998·Granted Feb 1, 2000·50 cites·6 claims
- 1480US7908861B2Heat energy supply system and method, and reconstruction method of the systemHITACHI LTD·Filed 2008·Granted Mar 22, 2011·7 cites·8 claims
- 1580US4425765AAir conditioner for automobilesHITACHI LTD·Filed 1981·Granted Jan 17, 1984·34 cites·6 claims
- 1678US7966840B2Heat pump system and heat pump operation methodHITACHI LTD·Filed 2009·Granted Jun 28, 2011·7 cites·23 claims
- 1778US6489614B1Thermal-type infrared radiation detector cell and image capture device incorporating the sameSHARP KK·Filed 2000·Granted Dec 3, 2002·26 cites·26 claims
- 1876US7245243B2Lateral double-diffused MOS transistor and manufacturing method thereforSHARP KK·Filed 2006·Granted Jul 17, 2007·5 cites·11 claims
- 1974US7409832B2Gas turbine power generator plant with mutually independent cooling air channels from intake to exhaustHITACHI LTD·Filed 2005·Granted Aug 12, 2008·11 cites·11 claims
- 2074US6846694B2Semiconductor device with built-in light receiving element, production method thereof, and optical pickup incorporating the sameSHARP KK·Filed 2003·Granted Jan 25, 2005·22 cites·17 claims
- 2171US6448614B2Circuit-incorporating photosensitive deviceSHARP KK·Filed 2001·Granted Sep 10, 2002·16 cites·14 claims
- 2270US4175416AApparatus for manufacturing heat transfer tubesHITACHI LTD·Filed 1978·Granted Nov 27, 1979·12 cites·19 claims
- 2369US6949809B2Light receiving element, light detector with built-in circuitry and optical pickupSHARP KK·Filed 2002·Granted Sep 27, 2005·14 cites·31 claims
- 2469US6580095B2Circuit-containing photodetector, method of manufacturing the same, and optical device using circuit-containing photodetectorSHARP KK·Filed 2001·Granted Jun 17, 2003·14 cites·11 claims
- 2564US6404029B1Light sensitive element and light sensitive element having internal circuitrySHARP KK·Filed 2000·Granted Jun 11, 2002·11 cites·21 claims
- 2662US6492702B2Circuit-incorporating light receiving deviceSHARP KK·Filed 2001·Granted Dec 10, 2002·9 cites·35 claims
- 2762US2010089077A1Heat pump system, method for adjusting temperature of lubricating water in heat pump system, and method for operating heat pump systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 2861US7958717B2Gas turbine power generator plant and silencer for the sameHITACHI LTD·Filed 2008·Granted Jun 14, 2011·5 cites·6 claims
- 2960US6828644B2Semiconductor device with reduced parasitic capacitance between impurity diffusion regionsFUJITSU LTD·Filed 2003·Granted Dec 7, 2004·11 cites·18 claims
- 3059US6748757B2Air conditioner for automobileHITACHI LTD·Filed 2001·Granted Jun 15, 2004·13 cites·10 claims
- 3158US2006206369A1Collection method of and collection system for collecting costs of energy-saving facilitiesFUKUSHIMA TOSHIHIKO·Filed 2006·Application pending·0 cites
- 3257US5542271AAir-conditioner employing non-azeotrope refrigerantHITACHI LTD·Filed 1994·Granted Aug 6, 1996·29 cites·7 claims
- 3357US2002035496A1Collection method of and collection system for collecting costs of energy-saving facilitiesFiled 2001·Application pending·0 cites
- 3453US5085271AHeat accumulation system and method of operating the sameHITACHI LTD·Filed 1989·Granted Feb 4, 1992·15 cites·18 claims
- 3550US2007201999A1Heat pump system, method for adjusting temperature of lubricating water in heat pump system, and method for operating heat pump systemSHIBATA TAKANORI·Filed 2007·Application pending·0 cites
- 3647US4292811AOperating method for refrigerating machineHITACHI LTD·Filed 1979·Granted Oct 6, 1981·12 cites·7 claims
- 3746US11282629B2Multilayer inductorMURATA MANUFACTURING CO·Filed 2018·Granted Mar 22, 2022·0 cites·13 claims
- 3846US5186241AChemical heat pumpHITACHI LTD·Filed 1989·Granted Feb 16, 1993·9 cites·4 claims
- 3946US4326391ARankine-cycle-engine-driven cooling-and-heating systemHITACHI LTD·Filed 1980·Granted Apr 27, 1982·12 cites·6 claims
- 4045US4618092ARefrigerant flow rate control deviceHITACHI LTD·Filed 1984·Granted Oct 21, 1986·13 cites·2 claims
- 4145US4314454AMethod of operating refrigerating machineHITACHI LTD·Filed 1980·Granted Feb 9, 1982·11 cites·1 claims
- 4240US2007145484A1Regulator circuit and semiconductor device therewithSHARP KK·Filed 2006·Application pending·0 cites
- 4340US2013237053A1Film forming method and film forming apparatusISHIZAKA TADAHIRO·Filed 2011·Application pending·0 cites
- 4439US6101837AIce thermal storage type air-conditioner and ice thermal storage tankHITACHI LTD·Filed 1999·Granted Aug 15, 2000·9 cites·11 claims
- 4538US2005258501A1Light receiving element, method for producing the same, and light receiving element with built-in circuitSHARP KK·Filed 2003·Application pending·0 cites
- 4630US8788088B2Production system, processed object manufacturing method, and container transferring methodMURAKAMI YOSHINOBU·Filed 2012·Granted Jul 22, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →