Inventor · disambiguated record
Hitoshi Sumida
Also filed as: SUMIDA HITOSHI
29 granted patents·2 pending applications·173 citations·filing 1994–2023
95Inventor score
Files withFUJI ELECTRIC CO LTD24FUJI ELECTRIC SYSTEMS CO LTD2JONISHI AKIHIRO1NAKASHIMA HIROSHI1SIN KIN-ON1
Top patents by PatentIndex Score
31 records- 0191US9818845B2MOS-driven semiconductor device and method for manufacturing MOS-driven semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Nov 14, 2017·8 cites·9 claims
- 0291US9761545B2Isolator and method of manufacturing isolatorFUJI ELECTRIC CO LTD·Filed 2016·Granted Sep 12, 2017·10 cites·18 claims
- 0386US8014118B2Load driving circuit, driver IC having a load driving circuit, and plasma display panel having a driver ICFUJI ELECTRIC SYSTEMS CO LTD·Filed 2008·Granted Sep 6, 2011·8 cites·36 claims
- 0485US10727180B2Resistive element and method of manufacturing the resistive elementFUJI ELECTRIC CO LTD·Filed 2018·Granted Jul 28, 2020·4 cites·17 claims
- 0579US9318784B2Isolator and isolator manufacturing methodFUJI ELECTRIC CO LTD·Filed 2013·Granted Apr 19, 2016·5 cites·12 claims
- 0679US6057726AOutput circuit for power IC with high breakdown voltageFUJI ELECTRIC CO LTD·Filed 1998·Granted May 2, 2000·43 cites·22 claims
- 0775US10217765B2Semiconductor integrated circuitFUJI ELECTRIC CO LTD·Filed 2017·Granted Feb 26, 2019·2 cites·20 claims
- 0875US6441432B1High voltage lateral semiconductor deviceFUJI ELECTRIC CO LTD·Filed 1999·Granted Aug 27, 2002·39 cites·4 claims
- 0973US9608072B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Mar 28, 2017·2 cites·16 claims
- 1066US9117797B2High-voltage semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2012·Granted Aug 25, 2015·2 cites·8 claims
- 1164US5485023AInsulated gate bipolar transistorFUJI ELECTRIC CO LTD·Filed 1994·Granted Jan 16, 1996·24 cites·4 claims
- 1263US8405343B2Inverter unit, integrated circuit chip, and vehicle drive apparatusSUMIDA HITOSHI·Filed 2011·Granted Mar 26, 2013·2 cites·1 claims
- 1362US12261117B2Semiconductor device and method of manufacturing the sameFUJI ELECTRIC CO LTD·Filed 2021·Granted Mar 25, 2025·0 cites·8 claims
- 1462US11233052B2Method of manufacturing semiconductor integrated circuitFUJI ELECTRIC CO LTD·Filed 2020·Granted Jan 25, 2022·0 cites·18 claims
- 1562US8664909B2Inverter unit, integrated circuit chip, and vehicle drive apparatusFUJI ELECTRIC CO LTD·Filed 2012·Granted Mar 4, 2014·1 cites·1 claims
- 1658US8742802B2Gate driving circuitJONISHI AKIHIRO·Filed 2011·Granted Jun 3, 2014·2 cites·5 claims
- 1756US2023378245A1Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 1855US11699764B2Semiconductor device and method of manufacturing the sameFUJI ELECTRIC CO LTD·Filed 2022·Granted Jul 11, 2023·0 cites·10 claims
- 1955US10825812B2Semiconductor integrated circuitFUJI ELECTRIC CO LTD·Filed 2018·Granted Nov 3, 2020·0 cites·20 claims
- 2054US7960937B2Inverter unit, integrated circuit chip, and vehicle drive apparatusFUJI ELECTRIC SYSTEMS CO LTD·Filed 2005·Granted Jun 14, 2011·3 cites·9 claims
- 2152US5572055AInsulated-gate bipolar transistor with reduced latch-upFUJI ELECTRIC CO LTD·Filed 1995·Granted Nov 5, 1996·12 cites·9 claims
- 2251US9166064B2Junction field effect transistorFUJI ELECTRIC CO LTD·Filed 2014·Granted Oct 20, 2015·0 cites·14 claims
- 2347US11189685B2Resistance element and manufacturing method of resistance elementFUJI ELECTRIC CO LTD·Filed 2019·Granted Nov 30, 2021·0 cites·3 claims
- 2447US8928368B2Gate driving circuitFUJI ELECTRIC CO LTD·Filed 2014·Granted Jan 6, 2015·0 cites·5 claims
- 2546US10725087B2Semiconductor integrated device and gate screening test method of the sameFUJI ELECTRIC CO LTD·Filed 2018·Granted Jul 28, 2020·0 cites·20 claims
- 2646US9893065B2Semiconductor integrated circuitFUJI ELECTRIC CO LTD·Filed 2017·Granted Feb 13, 2018·0 cites·18 claims
- 2746US9698667B2Semiconductor device and power converter equipmentFUJI ELECTRIC CO LTD·Filed 2015·Granted Jul 4, 2017·0 cites·9 claims
- 2841US5624855AProcess of producing insulated-gate bipolar transistorFUJI ELECTRIC CO LTD·Filed 1995·Granted Apr 29, 1997·6 cites·2 claims
- 2938US9553185B2MOS-driven semiconductor device and method for manufacturing MOS-driven semiconductor deviceSIN KIN-ON·Filed 2010·Granted Jan 24, 2017·0 cites·3 claims
- 3035US9947527B2Method of manufacturing semiconductor deviceNAKASHIMA HIROSHI·Filed 2012·Granted Apr 17, 2018·0 cites·9 claims
- 3129US2002053717A1Semiconductor apparatusFiled 1998·Application pending·0 cites
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