Assignee
FUJI ELECTRIC CO LTD
JP·4,315 granted patents·953 pending applications·48,492 citations·filing 1973–2025
Top patents by PatentIndex Score
5,268 records- 0199US10158282B1Switching power supply deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Dec 18, 2018·27 cites·9 claims
- 0299US10099175B2Amount-of-seawater control device for scrubber, amount-of-seawater control method for scrubber, and amount-of-alkali control deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Oct 16, 2018·37 cites·20 claims
- 0398US11430784B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2021·Granted Aug 30, 2022·4 cites·11 claims
- 0498US11094810B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Aug 17, 2021·4 cites·9 claims
- 0598US10819212B1Gate driver and power converterFUJI ELECTRIC CO LTD·Filed 2020·Granted Oct 27, 2020·14 cites·11 claims
- 0698US9589720B2Signal transmission device and switching power supplyFUJI ELECTRIC CO LTD·Filed 2013·Granted Mar 7, 2017·32 cites·11 claims
- 0798US6294818B1Parallel-stripe type semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2000·Granted Sep 25, 2001·165 cites·4 claims
- 0898US6097063ASemiconductor device having a plurality of parallel drift regionsFUJI ELECTRIC CO LTD·Filed 1997·Granted Aug 1, 2000·268 cites·2 claims
- 0998US4657828AFuel cell systemFUJI ELECTRIC CO LTD·Filed 1986·Granted Apr 14, 1987·171 cites·6 claims
- 1097US11894791B2Control device, motor driving apparatus, and motor driving systemFUJI ELECTRIC CO LTD·Filed 2022·Granted Feb 6, 2024·3 cites·19 claims
- 1197US10150078B2Amount of seawater control device for scrubber, amount of seawater control method for scrubber, and amount of alkali control device and amount of alkali control methodFUJI ELECTRIC CO LTD·Filed 2015·Granted Dec 11, 2018·35 cites·13 claims
- 1297US9660356B1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted May 23, 2017·24 cites·13 claims
- 1397US5693569AMethod of forming silicon carbide trench mosfet with a schottky electrodeFUJI ELECTRIC CO LTD·Filed 1996·Granted Dec 2, 1997·191 cites·1 claims
- 1497US4904548AMethod for controlling a fuel cellFUJI ELECTRIC CO LTD·Filed 1988·Granted Feb 27, 1990·237 cites·10 claims
- 1597US4883724AControl unit of fuel cell generating systemFUJI ELECTRIC CO LTD·Filed 1989·Granted Nov 28, 1989·126 cites·9 claims
- 1697US4740711APipeline built-in electric power generating setFUJI ELECTRIC CO LTD·Filed 1986·Granted Apr 26, 1988·251 cites·8 claims
- 1797US4622444ACircuit breaker housing and attachment boxFUJI ELECTRIC CO LTD·Filed 1985·Granted Nov 11, 1986·161 cites·2 claims
- 1897US4407959ABlood sugar analyzing apparatusFUJI ELECTRIC CO LTD·Filed 1981·Granted Oct 4, 1983·333 cites·3 claims
- 1996US11742763B2Switching control circuit and power supply circuitFUJI ELECTRIC CO LTD·Filed 2021·Granted Aug 29, 2023·3 cites·10 claims
- 2096US11470994B2Beverage supplying apparatusFUJI ELECTRIC CO LTD·Filed 2019·Granted Oct 18, 2022·24 cites·7 claims
- 2196US11437913B2Switching control circuit and power supply circuitFUJI ELECTRIC CO LTD·Filed 2020·Granted Sep 6, 2022·4 cites·8 claims
- 2296US9881997B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Jan 30, 2018·25 cites·10 claims
- 2396US9472488B2Semiconductor device and cooler thereofFUJI ELECTRIC CO LTD·Filed 2013·Granted Oct 18, 2016·33 cites·8 claims
- 2496US9276071B2Semiconductor device and method for producing semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2014·Granted Mar 1, 2016·18 cites·10 claims
- 2596US6724042B2Super-junction semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2001·Granted Apr 20, 2004·115 cites·25 claims
- 2696US6291856B1Semiconductor device with alternating conductivity type layer and method of manufacturing the sameFUJI ELECTRIC CO LTD·Filed 1999·Granted Sep 18, 2001·214 cites·6 claims
- 2796US6174773B1Method of manufacturing vertical trench misfetFUJI ELECTRIC CO LTD·Filed 1999·Granted Jan 16, 2001·226 cites·2 claims
- 2896US5572179AThin film transformerFUJI ELECTRIC CO LTD·Filed 1995·Granted Nov 5, 1996·152 cites·35 claims
- 2996US5420558AThin film transformerFUJI ELECTRIC CO LTD·Filed 1993·Granted May 30, 1995·167 cites·32 claims
- 3096USD357672SHybrid integrated circuit for electric power controlFUJI ELECTRIC CO LTD·Filed 1994·Granted Apr 25, 1995·58 cites·1 claims
- 3196US4968354AThin film solar cell arrayFUJI ELECTRIC CO LTD·Filed 1988·Granted Nov 6, 1990·98 cites·8 claims
- 3296US4675265AElectrophotographic light-sensitive element with amorphous C overlayerFUJI ELECTRIC CO LTD·Filed 1986·Granted Jun 23, 1987·72 cites·23 claims
- 3396US4483924ASystem for controlling a printer in a blood sugar analyzerFUJI ELECTRIC CO LTD·Filed 1981·Granted Nov 20, 1984·256 cites·4 claims
- 3496US4183244AUltrasonic flow rate measuring apparatusFUJI ELECTRIC CO LTD·Filed 1978·Granted Jan 15, 1980·93 cites·2 claims
- 3595US11901419B2Semiconductor device and manufacturing method of semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2021·Granted Feb 13, 2024·3 cites·19 claims
- 3695US11854782B2Semiconductor device and fabrication methodFUJI ELECTRIC CO LTD·Filed 2022·Granted Dec 26, 2023·2 cites·22 claims
- 3795US11632039B2Integrated circuit and power supply circuitFUJI ELECTRIC CO LTD·Filed 2021·Granted Apr 18, 2023·3 cites·19 claims
- 3895US11342186B2Semiconductor device and manufacturing method thereofFUJI ELECTRIC CO LTD·Filed 2020·Granted May 24, 2022·3 cites·26 claims
- 3995US11276621B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Mar 15, 2022·3 cites·12 claims
- 4095US11056965B2Gate driver and power converterFUJI ELECTRIC CO LTD·Filed 2020·Granted Jul 6, 2021·4 cites·12 claims
- 4195US10494852B2Door opening/closing deviceFUJI ELECTRIC CO LTD·Filed 2019·Granted Dec 3, 2019·10 cites·5 claims
- 4295US10486944B2Operation control apparatus for craneFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 26, 2019·9 cites·5 claims
- 4395US10008592B1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2017·Granted Jun 26, 2018·16 cites·9 claims
- 4495US9773923B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Sep 26, 2017·10 cites·21 claims
- 4595US9671437B2Overcurrent detection circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Jun 6, 2017·8 cites·14 claims
- 4695US8379419B2Soft-stop overvoltage protection circuit for power factor correction type switching power supply unitFUJI ELECTRIC CO LTD·Filed 2010·Granted Feb 19, 2013·26 cites·13 claims
- 4795US6677643B2Super-junction semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2001·Granted Jan 13, 2004·108 cites·9 claims
- 4895US6610572B1Semiconductor device and method for manufacturing the sameFUJI ELECTRIC CO LTD·Filed 2000·Granted Aug 26, 2003·74 cites·9 claims
- 4995US6551909B1Semiconductor device with alternating conductivity type layer and method of manufacturing the sameFUJI ELECTRIC CO LTD·Filed 2000·Granted Apr 22, 2003·90 cites·3 claims
- 5095US6475864B1Method of manufacturing a super-junction semiconductor device with an conductivity type layerFUJI ELECTRIC CO LTD·Filed 2000·Granted Nov 5, 2002·98 cites·21 claims
Showing the top 50 of 5,268 patent records by PatentIndex Score.
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