Inventor · disambiguated record
Yutaka Fukui
Also filed as: FUKUI YUTAKA
78 granted patents·10 pending applications·1,037 citations·filing 1975–2024
99Inventor score
Top patents by PatentIndex Score
88 records- 0191US9741797B2Insulated gate silicon carbide semiconductor device and method for manufacturing sameMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Aug 22, 2017·10 cites·13 claims
- 0290US10510843B2Insulated gate silicon carbide semiconductor device and method for manufacturing sameMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Dec 17, 2019·5 cites·26 claims
- 0390US6358004B1Steam turbine power-generation plant and steam turbineHITACHI LTD·Filed 2000·Granted Mar 19, 2002·27 cites·8 claims
- 0490US4437913ACobalt base alloyHITACHI LTD·Filed 1981·Granted Mar 20, 1984·39 cites·10 claims
- 0589US11271084B2Semiconductor device and power converterMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 8, 2022·5 cites·19 claims
- 0689US5383768ASteam turbine, rotor shaft thereof, and heat resisting steelHITACHI LTD·Filed 1992·Granted Jan 24, 1995·30 cites·23 claims
- 0788US4789412ACobalt-base alloy having high strength and high toughness, production process of the same, and gas turbine nozzleHITACHI LTD·Filed 1987·Granted Dec 6, 1988·38 cites·11 claims
- 0887US5370497AGas turbine and gas turbine nozzleHITACHI LTD·Filed 1992·Granted Dec 6, 1994·40 cites·23 claims
- 0986US5480283AGas turbine and gas turbine nozzleHITACHI LTD·Filed 1994·Granted Jan 2, 1996·37 cites·29 claims
- 1084US6546713B1Gas turbine for power generation, and combined power generation systemHITACHI LTD·Filed 1997·Granted Apr 15, 2003·38 cites·7 claims
- 1183US10229969B2Power semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Mar 12, 2019·4 cites·11 claims
- 1282US9825164B2Silicon carbide semiconductor device and manufacturing method for sameMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 21, 2017·5 cites·8 claims
- 1382US9425261B2Silicon-carbide semiconductor device and method for manufacturing the sameMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Aug 23, 2016·5 cites·12 claims
- 1482US6224334B1Steam turbine, rotor shaft thereof, and heat resisting steelHITACHI LTD·Filed 1997·Granted May 1, 2001·23 cites·10 claims
- 1582US5964091AGas turbine combustor and gas turbineHITACHI LTD·Filed 1996·Granted Oct 12, 1999·42 cites·13 claims
- 1681US5536146ACombined generator systemHITACHI LTD·Filed 1994·Granted Jul 16, 1996·15 cites·18 claims
- 1780US6123504ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted Sep 26, 2000·19 cites·2 claims
- 1880US5360318ACompressor for gas turbine and gas turbineHITACHI LTD·Filed 1993·Granted Nov 1, 1994·26 cites·11 claims
- 1979US2025120160A1Semiconductor device and power converterMITSUBISHI ELECTRIC CORP·Filed 2024·Application pending·0 cites
- 2078US5749228ASteam-turbine power plant and steam turbineHITACHI LTD·Filed 1995·Granted May 12, 1998·33 cites·16 claims
- 2177US6419453B2Steam turbine rotor shaftHITACHI LTD·Filed 2001·Granted Jul 16, 2002·11 cites·5 claims
- 2277US6174132B1Steam-turbine power plant and steam turbineHITACHI LTD·Filed 1998·Granted Jan 16, 2001·17 cites·4 claims
- 2377US4988266AGas turbine and shroud for gas turbineHITACHI LTD·Filed 1989·Granted Jan 29, 1991·30 cites·18 claims
- 2476US5008072AHeat resistant steel and gas turbine components composed of the sameHITACHI LTD·Filed 1989·Granted Apr 16, 1991·19 cites·15 claims
- 2575US4174213AHighly ductile alloys of iron-nickel-chromium-molybdenum system for gas turbine combustor liner and filler metalsHITACHI LTD·Filed 1978·Granted Nov 13, 1979·18 cites·34 claims
- 2674US6574966B2Gas turbine for power generationHITACHI LTD·Filed 2002·Granted Jun 10, 2003·32 cites·7 claims
- 2774US5961284AHigh strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbineHITACHI LTD·Filed 1996·Granted Oct 5, 1999·24 cites·48 claims
- 2873US5548174ASteel rotor shafts of electric machinesHITACHI LTD·Filed 1995·Granted Aug 20, 1996·19 cites·12 claims
- 2972US10468487B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Nov 5, 2019·2 cites·16 claims
- 3072US5318027AStack-connectable ultrasound probe, ultrasound imaging system and diagnostic sonography systemFUJITSU LTD·Filed 1992·Granted Jun 7, 1994·51 cites·20 claims
- 3172US4850187AGas turbine having components composed of heat resistant steelHITACHI LTD·Filed 1987·Granted Jul 25, 1989·28 cites·28 claims
- 3271US5651411AApparatus for and method of continuous castingHITACHI LTD·Filed 1995·Granted Jul 29, 1997·10 cites·19 claims
- 3370US11894428B2Silicon carbide semiconductor device and power converterMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Feb 6, 2024·1 cites·16 claims
- 3469US5911842AHeat resisting steel and steam turbine rotor shaft and method of making thereofHITACHI LTD·Filed 1997·Granted Jun 15, 1999·20 cites·14 claims
- 3568US12266706B2Semiconductor device and power converterMITSUBISHI ELECTRIC CORP·Filed 2022·Granted Apr 1, 2025·0 cites·20 claims
- 3668US5906096ACompressor for turbine and gas turbineHITACHI LTD·Filed 1995·Granted May 25, 1999·17 cites·12 claims
- 3767US4107829AMethod of manufacturing seat cushionsTACHIKAWA SPRING CO·Filed 1977·Granted Aug 22, 1978·18 cites·3 claims
- 3866US6305078B1Method of making a turbine bladeHITACHI LTD·Filed 2000·Granted Oct 23, 2001·11 cites·1 claims
- 3966US5740668AHigh efficiency gas turbineHITACHI LTD·Filed 1995·Granted Apr 21, 1998·45 cites·21 claims
- 4063US9337271B2Silicon-carbide semiconductor device and manufacturing method thereforMITSUBISHI ELECTRIC CORP·Filed 2013·Granted May 10, 2016·1 cites·11 claims
- 4163US5634510AIntegrated manufacturing systemHITACHI LTD·Filed 1994·Granted Jun 3, 1997·9 cites·12 claims
- 4263US4988282AApparatus for forming a seatTACHI S CO·Filed 1989·Granted Jan 29, 1991·21 cites·10 claims
- 4362US9698221B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jul 4, 2017·1 cites·18 claims
- 4461US4283234AGas turbine nozzleHITACHI LTD·Filed 1979·Granted Aug 11, 1981·11 cites·13 claims
- 4560US5510080AOxide dispersion-strengthened alloy and high temperature equipment composed of the alloyHITACHI LTD·Filed 1994·Granted Apr 23, 1996·14 cites·6 claims
- 4660US2025072046A1Semiconductor device, method of manufacturing semiconductor device, and power conversion deviceMITSUBISHI ELECTRIC CORP·Filed 2024·Application pending·0 cites
- 4760US2025203924A1Semiconductor device, method of manufacturing semiconductor device, and power conversion apparatusMITSUBISHI ELECTRIC CORP·Filed 2024·Application pending·0 cites
- 4859US2024297229A1Silicon carbide semiconductor device and power conversion apparatusMITSUBISHI ELECTRIC CORP·Filed 2023·Application pending·0 cites
- 4958US11049931B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Jun 29, 2021·0 cites·12 claims
- 5056US4465530AGas turbine nozzle having superior thermal fatigue resistanceHITACHI LTD·Filed 1982·Granted Aug 14, 1984·10 cites·14 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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