Inventor · disambiguated record
Satoshi Sugahara
Also filed as: SUGAHARA SATOSHI
51 granted patents·4 pending applications·639 citations·filing 1989–2024
98Inventor score
Files withJAPAN SCIENCE & TECH AGENCY20SHARP KK14FUJI ELECTRIC CO LTD10FUJI ELECTRIC SYSTEMS CO LTD4SUGAHARA SATOSHI3
Top patents by PatentIndex Score
55 records- 0195US8878573B2Voltage controlled switching element gate drive circuitSUGAHARA SATOSHI·Filed 2012·Granted Nov 4, 2014·19 cites·6 claims
- 0293US8994414B2Voltage controlled switching element gate drive circuitFUJI ELECTRIC CO LTD·Filed 2014·Granted Mar 31, 2015·8 cites·7 claims
- 0390US9899146B2Signal transfer deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Feb 20, 2018·4 cites·20 claims
- 0489US8295079B2Nonvolatile SRAM/latch circuit using current-induced magnetization reversal MTJYAMAMOTO SHUICHIRO·Filed 2008·Granted Oct 23, 2012·26 cites·38 claims
- 0589US7906942B2Control circuit of DC-DC converter with synchronous rectifier adjusting signal to improve efficiency at light loads and control method thereofFUJI ELECTRIC SYSTEMS CO LTD·Filed 2007·Granted Mar 15, 2011·29 cites·24 claims
- 0688US7671433B2Spin transistor based on the spin-filter effect, and non-volatile memory using spin transistorsJAPAN SCIENCE & TECH AGENCY·Filed 2007·Granted Mar 2, 2010·10 cites·5 claims
- 0788US6091083AGallium nitride type compound semiconductor light-emitting device having buffer layer with non-flat surfaceSHARP KK·Filed 1998·Granted Jul 18, 2000·130 cites·20 claims
- 0886US7714400B2Tunnel transistor having spin-dependent transfer characteristics and non-volatile memory using the sameJAPAN SCIENCE & TECH AGENCY·Filed 2007·Granted May 11, 2010·10 cites·28 claims
- 0986US6613461B1Gallium nitride-based compound semiconductor chip and method for producing the same, and gallium nitride-based compound semiconductor waferSHARP KK·Filed 2000·Granted Sep 2, 2003·40 cites·16 claims
- 1083US4975922AMulti-layered dielectric filmSHARP KK·Filed 1989·Granted Dec 4, 1990·30 cites·2 claims
- 1181US5693180ADry etching method for a gallium nitride type compound semiconductorSHARP KK·Filed 1996·Granted Dec 2, 1997·58 cites·9 claims
- 1280US10049740B2Memory circuit with a bistable circuit and a non-volatile elementJAPAN SCIENCE & TECH AGENCY·Filed 2015·Granted Aug 14, 2018·6 cites·12 claims
- 1375US5654557AQuantum wire structure and a method for producing the sameSHARP KK·Filed 1994·Granted Aug 5, 1997·36 cites·18 claims
- 1474US9112502B2Voltage controlled switching element gate drive circuitFUJI ELECTRIC CO LTD·Filed 2014·Granted Aug 18, 2015·2 cites·7 claims
- 1574US2025069651A1Bistable circuit and electronic circuitJAPAN SCIENCE & TECH AGENCY·Filed 2024·Application pending·0 cites
- 1672US5292685AMethod for producing a distributed feedback semiconductor laser deviceSHARP KK·Filed 1992·Granted Mar 8, 1994·29 cites·13 claims
- 1771US10355676B2Electronic circuitJAPAN SCIENCE & TECH AGENCY·Filed 2016·Granted Jul 16, 2019·3 cites·13 claims
- 1871US9601198B2Memory circuit provided with bistable circuit and non-volatile elementJAPAN SCIENCE & TECH AGENCY·Filed 2014·Granted Mar 21, 2017·4 cites·15 claims
- 1971US6316922B1DC-DC converter which supresses power supply noise in low power circuitFUJI ELECTRIC CO LTD·Filed 2000·Granted Nov 13, 2001·26 cites·14 claims
- 2070US9093837B2Abnormal voltage detecting deviceFUJI ELECTRIC CO LTD·Filed 2013·Granted Jul 28, 2015·2 cites·13 claims
- 2170US7812578B2DC-DC converterFUJI ELECTRIC SYSTEMS CO LTD·Filed 2008·Granted Oct 12, 2010·8 cites·17 claims
- 2270US5070510ASemiconductor laser deviceSHARP KK·Filed 1990·Granted Dec 3, 1991·50 cites·16 claims
- 2369US9225326B2Voltage controlled switching element gate drive circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Dec 29, 2015·1 cites·7 claims
- 2468US7397071B2Tunnel transistor having spin-dependent transfer characteristics and non-volatile memory using the sameJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted Jul 8, 2008·10 cites·63 claims
- 2567US7423327B2Spin transistor based on the spin-filter effect and a non-volatile memory using spin transistorsJAPAN SCIENCE & TECH AGENCY·Filed 2003·Granted Sep 9, 2008·9 cites·19 claims
- 2666US8026563B2Spin transistor based on the spin-filter effect, and non-volatile memory using spin transistorsJAPAN SCIENCE & TECH AGENCY·Filed 2010·Granted Sep 27, 2011·1 cites·5 claims
- 2766US2025046365A1Electronic circuitJAPAN SCIENCE & TECH AGENCY·Filed 2024·Application pending·0 cites
- 2865US7851877B2Logic circuit and single-electron spin transistorJAPAN SCIENCE & TECH AGENCY·Filed 2006·Granted Dec 14, 2010·4 cites·44 claims
- 2964US9842992B2Transistor using piezoresistor as channel, and electronic circuitJAPAN SCIENCE & TECH AGENCY·Filed 2015·Granted Dec 12, 2017·1 cites·20 claims
- 3062US9991796B2Switch drive circuitFUJI ELECTRIC CO LTD·Filed 2016·Granted Jun 5, 2018·1 cites·13 claims
- 3162US7825485B2Spin transistor based on the spin-filter effect, and non-volatile memory using spin transistorsJAPAN SCIENCE & TECH AGENCY·Filed 2007·Granted Nov 2, 2010·1 cites·6 claims
- 3261US12183392B2Bistable circuit and electronic circuitJAPAN SCIENCE & TECH AGENCY·Filed 2022·Granted Dec 31, 2024·0 cites·13 claims
- 3359US10304508B2Magnetoresistive element and memory circuit including a free layerJAPAN SCIENCE & TECH AGENCY·Filed 2016·Granted May 28, 2019·2 cites·15 claims
- 3459US9755508B2Startup circuit and power supply circuitFUJI ELECTRIC CO LTD·Filed 2014·Granted Sep 5, 2017·1 cites·5 claims
- 3559US8031041B2Micro power converterFUJI ELECTRIC SYSTEMS CO LTD·Filed 2008·Granted Oct 4, 2011·4 cites·9 claims
- 3658US7528428B2Field-effect transistor with spin-dependent transmission characteristics and non-volatile memory using the sameJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted May 5, 2009·6 cites·52 claims
- 3755US12165697B2Electronic bistable circuit with third voltage to retain memory dataJAPAN SCIENCE & TECH AGENCY·Filed 2021·Granted Dec 10, 2024·0 cites·17 claims
- 3855US5361271ASemiconductor laserSHARP KK·Filed 1993·Granted Nov 1, 1994·15 cites·24 claims
- 3955US2024050915A1Microbial microcapsule and method for producing sameKAO CORP·Filed 2021·Application pending·0 cites
- 4054US7764519B2Control circuit and method for controlling switching power supplyFUJI ELECTRIC SYSTEMS CO LTD·Filed 2008·Granted Jul 27, 2010·3 cites·16 claims
- 4151US5345460ASemiconductor laser device with window regionsSHARP KK·Filed 1992·Granted Sep 6, 1994·13 cites·6 claims
- 4250US8097909B2Field-effect transistor with spin-dependent transmission characteristics and non-volatile memory using the sameSUGAHARA SATOSHI·Filed 2009·Granted Jan 17, 2012·0 cites·23 claims
- 4350US7545013B2Reconfigurable logic circuit using a transistor having spin-dependent transfer characteristicsJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted Jun 9, 2009·6 cites·40 claims
- 4449US5303255ADistributed feedback semiconductor laser device and a method of producing the sameSHARP KK·Filed 1993·Granted Apr 12, 1994·12 cites·13 claims
- 4546US9705462B2Sensor signal output circuit and method for adjusting itFUJI ELECTRIC CO LTD·Filed 2014·Granted Jul 11, 2017·0 cites·9 claims
- 4645US8174854B2Switching power supply system with reduced current consumption at light loadSUGAHARA SATOSHI·Filed 2008·Granted May 8, 2012·1 cites·12 claims
- 4745US7960186B2Method of forming ferromagnetic material, transistor and method of manufacturing the sameTOKYO INST TECH·Filed 2008·Granted Jun 14, 2011·0 cites·21 claims
- 4845US5007107ASemiconductor laser deviceSHARP KK·Filed 1989·Granted Apr 9, 1991·6 cites·5 claims
- 4941US5280493AQuantum wire laserSHARP KK·Filed 1992·Granted Jan 18, 1994·7 cites·7 claims
- 5040US9496037B2Memory circuitJAPAN SCIENCE & TECH AGENCY·Filed 2014·Granted Nov 15, 2016·0 cites·14 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →