Inventor · disambiguated record
Junichi Sakano
Also filed as: SAKANO JUNICHI
30 granted patents·16 pending applications·328 citations·filing 1996–2020
96Inventor score
Top patents by PatentIndex Score
46 records- 0190US5859446ADiode and power converting apparatusHITACHI LTD·Filed 1997·Granted Jan 12, 1999·96 cites·12 claims
- 0289US6275399B1Method and apparatus for driving a semiconductor element with variable resistance circuitryHITACHI LTD·Filed 2000·Granted Aug 14, 2001·31 cites·14 claims
- 0385US11012022B2Inverter device and electric motor device using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2018·Granted May 18, 2021·2 cites·14 claims
- 0484US6392908B2Method and apparatus for driving a semiconductor elementHITACHI LTD·Filed 2001·Granted May 21, 2002·21 cites·24 claims
- 0583US9148232B2Communications systemYAMAMOTO KEISUKE·Filed 2010·Granted Sep 29, 2015·8 cites·8 claims
- 0683US6373731B1Surge voltage suppressed power inverter using a voltage driven switching elementHITACHI LTD·Filed 2000·Granted Apr 16, 2002·46 cites·17 claims
- 0782US11152887B2Power conversion device, motor control system, and diagnosis method for power conversion deviceHITACHI LTD·Filed 2018·Granted Oct 19, 2021·2 cites·7 claims
- 0882US8299836B2Level shift circuit and power conversion unitSAKURAI NAOKI·Filed 2011·Granted Oct 30, 2012·8 cites·9 claims
- 0980US9831145B2Semiconductor device, and alternator and power converter using the semiconductor deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2015·Granted Nov 28, 2017·4 cites·17 claims
- 1079US11016138B2Diagnosis system for power conversion device, diagnosis method for semiconductor module, and power conversion deviceHITACHI LTD·Filed 2016·Granted May 25, 2021·2 cites·11 claims
- 1176US7112935B2Current sensor using mirror MOSFET and PWM inverter incorporating the sameHITACHI LTD·Filed 2005·Granted Sep 26, 2006·12 cites·7 claims
- 1276US6204717B1Semiconductor circuit and semiconductor device for use in equipment such as a power converting apparatusHITACHI LTD·Filed 1996·Granted Mar 20, 2001·28 cites·4 claims
- 1375US6414370B1Semiconductor circuit preventing electromagnetic noiseHITACHI LTD·Filed 2000·Granted Jul 2, 2002·15 cites·12 claims
- 1474US9966871B2Rectification device, alternator, and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2014·Granted May 8, 2018·4 cites·14 claims
- 1572US7586467B2Load drive circuit, integrated circuit, and plasma displayHITACHI LTD·Filed 2006·Granted Sep 8, 2009·2 cites·20 claims
- 1670US10122296B2Power converter, diagnostic system of power converter, and power converter diagnostic method using current changeHITACHI LTD·Filed 2015·Granted Nov 6, 2018·2 cites·13 claims
- 1770US7948058B2Semiconductor device and semiconductor integrated circuit device for driving plasma display using the semiconductor deviceHITACHI LTD·Filed 2008·Granted May 24, 2011·4 cites·14 claims
- 1866US7875509B2Manufacturing method of semiconductor apparatus and semiconductor apparatus, power converter using the sameHITACHI LTD·Filed 2008·Granted Jan 25, 2011·3 cites·8 claims
- 1965US8384124B2Semiconductor device and semiconductor integrated circuit device for driving plasma display using the semiconductor deviceHITACHI LTD·Filed 2010·Granted Feb 26, 2013·2 cites·4 claims
- 2064US7138778B2Current sensor using mirror MOSFET and PWM inverter incorporating the sameHITACHI LTD·Filed 2003·Granted Nov 21, 2006·16 cites·2 claims
- 2160US7126308B2Interface circuit with power converter with interface circuit and electric vehicle with power converterHITACHI LTD·Filed 2003·Granted Oct 24, 2006·9 cites·17 claims
- 2258US8487343B2Semiconductor device, semiconductor integrated circuit device for use of driving plasma display with using same, and plasma display apparatusSHIRAKAWA SHINJI·Filed 2010·Granted Jul 16, 2013·2 cites·11 claims
- 2352US2009015573A1Plasma display apparatus and semiconductor deviceHITACHI LTD·Filed 2008·Application pending·0 cites
- 2450US2005247281A1Engine driving systemHONBO KYOKO·Filed 2005·Application pending·0 cites
- 2549US2005244713A1Engine driving systemHONBO KYOKO·Filed 2005·Application pending·0 cites
- 2648US2024055423A1Semiconductor device, rectifying element using same, and alternatorHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2020·Application pending·0 cites
- 2745US10319849B2Semiconductor device, and alternator and power conversion device which use sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2014·Granted Jun 11, 2019·0 cites·18 claims
- 2845US2009315072A1Semiconductor Device, Semiconductor Integrated Circuit Equipment Using the Same for Driving Plasma Display, and Plasma Display UnitHITACHI LTD·Filed 2009·Application pending·0 cites
- 2944US9793011B2Structure, electronic element module, heat exchanger, fuel rod, and fuel assemblyHITACHI LTD·Filed 2012·Granted Oct 17, 2017·0 cites·10 claims
- 3044US5767555ACompound semiconductor device controlled by MIS gate, driving method therefor and electric power conversion device using the compound semiconductor device and the driving methodHITACHI LTD·Filed 1996·Granted Jun 16, 1998·9 cites·21 claims
- 3141US9190992B2Semiconductor device and ultrasonic diagnostic apparatus using the sameHARA KENJI·Filed 2011·Granted Nov 17, 2015·0 cites·6 claims
- 3241US2014070314A1Semiconductor device and semiconductor integrated circuit device using the sameHITACHI LTD·Filed 2013·Application pending·0 cites
- 3341US2010165681A1Semiconductor device and power converter using the sameHITACHI LTD·Filed 2009·Application pending·0 cites
- 3440US11049965B2Semiconductor device and alternator using the sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2018·Granted Jun 29, 2021·0 cites·18 claims
- 3540US2013001685A1Semiconductor DeviceHITACHI LTD·Filed 2012·Application pending·0 cites
- 3640US2004056702A1Semiconductor circuit, method of driving the same and semiconductor deviceFiled 2003·Application pending·0 cites
- 3739US2002125548A1Semiconductor circuit, method of driving the same and semiconductor deviceFiled 2002·Application pending·0 cites
- 3839US2004178420A1Complex semiconductor device and electric power conversion apparatus using itFiled 2004·Application pending·0 cites
- 3938US2003122149A1Complex semiconductor device and electric power conversion appratus using itFiled 2003·Application pending·0 cites
- 4038US2006273400A1High voltage analog switch ICS and ultrasound imaging systems using sameHITACHI LTD·Filed 2006·Application pending·0 cites
- 4137US2005001582A1Motor control deviceHITACHI LTD·Filed 2004·Application pending·0 cites
- 4236US2002110008A1Method and apparatus for driving a semiconductor element with variable resistance circuitryFiled 2002·Application pending·0 cites
- 4335US10122299B2Power conversion deviceHITACHI LTD·Filed 2015·Granted Nov 6, 2018·0 cites·4 claims
- 4433US10229974B2Semiconductor device and power conversion deviceHITACHI LTD·Filed 2015·Granted Mar 12, 2019·0 cites·12 claims
- 4531US8698194B2Semiconductor integrated circuit with high withstand voltage element forming trench isolation on substrateNAGASE TAKUO·Filed 2011·Granted Apr 15, 2014·0 cites·7 claims
- 4631US2017282720A1Power Converting DeviceHITACHI LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →