Inventor · disambiguated record
Masashi Akahane
Also filed as: AKAHANE MASASHI
62 granted patents·4 pending applications·163 citations·filing 2009–2024
98Inventor score
Top patents by PatentIndex Score
66 records- 0198US9589720B2Signal transmission device and switching power supplyFUJI ELECTRIC CO LTD·Filed 2013·Granted Mar 7, 2017·32 cites·11 claims
- 0295US9671437B2Overcurrent detection circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Jun 6, 2017·8 cites·14 claims
- 0393US9722610B2Semiconductor device and high side circuit drive methodFUJI ELECTRIC CO LTD·Filed 2016·Granted Aug 1, 2017·10 cites·3 claims
- 0491US9761545B2Isolator and method of manufacturing isolatorFUJI ELECTRIC CO LTD·Filed 2016·Granted Sep 12, 2017·10 cites·18 claims
- 0589US9748942B2Switching element driving circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Aug 29, 2017·7 cites·14 claims
- 0689US9502955B2Drive circuit and semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2015·Granted Nov 22, 2016·8 cites·17 claims
- 0788US11133738B2Switching control circuitFUJI ELECTRIC CO LTD·Filed 2020·Granted Sep 28, 2021·2 cites·24 claims
- 0888US10841071B2Data communication system, data communication apparatus, and sensor apparatusFUJI ELECTRIC CO LTD·Filed 2020·Granted Nov 17, 2020·2 cites·21 claims
- 0988US9325317B2Semiconductor device and high side circuit drive methodFUJI ELECTRIC CO LTD·Filed 2014·Granted Apr 26, 2016·7 cites·2 claims
- 1087US11581480B2Signal transmitting deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted Feb 14, 2023·5 cites·19 claims
- 1187US10281941B2Voltage generating circuit and overcurrent detecting circuitFUJI ELECTRIC CO LTD·Filed 2017·Granted May 7, 2019·5 cites·11 claims
- 1285US8933714B2Level shift circuit using parasitic resistor in semiconductor substrateFUJI ELECTRIC CO LTD·Filed 2013·Granted Jan 13, 2015·7 cites·7 claims
- 1384US9294093B2Level shift circuit utilizing resistance in semiconductor substrateFUJI ELECTRIC CO LTD·Filed 2015·Granted Mar 22, 2016·4 cites·3 claims
- 1483US8975944B2Level shift circuit utilizing resistance in semiconductor substrateAKAHANE MASASHI·Filed 2011·Granted Mar 10, 2015·6 cites·11 claims
- 1583US8405422B2Level shift circuitAKAHANE MASASHI·Filed 2011·Granted Mar 26, 2013·7 cites·10 claims
- 1682US11784636B2Comparator circuit and semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2021·Granted Oct 10, 2023·1 cites·8 claims
- 1782US11228307B2Overcurrent detection device, control device, and overcurrent detection methodFUJI ELECTRIC CO LTD·Filed 2019·Granted Jan 18, 2022·3 cites·9 claims
- 1881US9312845B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2014·Granted Apr 12, 2016·5 cites·4 claims
- 1981US2024348037A1Device, semiconductor apparatus, gate driver, and power moduleFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 2080US10644866B2Data communication system, data communication apparatus, and sensor apparatusFUJI ELECTRIC CO LTD·Filed 2019·Granted May 5, 2020·2 cites·10 claims
- 2179US10063226B2Level shift circuitFUJI ELECTRIC CO LTD·Filed 2018·Granted Aug 28, 2018·3 cites·4 claims
- 2279US9318784B2Isolator and isolator manufacturing methodFUJI ELECTRIC CO LTD·Filed 2013·Granted Apr 19, 2016·5 cites·12 claims
- 2378US11309893B2Drive circuitFUJI ELECTRIC CO LTD·Filed 2021·Granted Apr 19, 2022·1 cites·19 claims
- 2478US10804893B2Drive circuitFUJI ELECTRIC CO LTD·Filed 2020·Granted Oct 13, 2020·1 cites·19 claims
- 2578US10200186B2Data communication system, data communication apparatus, and sensor apparatusFUJI ELECTRIC CO LTD·Filed 2016·Granted Feb 5, 2019·2 cites·12 claims
- 2676US12027842B2Device, semiconductor apparatus, gate driver, and power moduleFUJI ELECTRIC CO LTD·Filed 2022·Granted Jul 2, 2024·0 cites·10 claims
- 2775US10700590B2Drive device and power conversion deviceFUJI ELECTRIC CO LTD·Filed 2019·Granted Jun 30, 2020·2 cites·16 claims
- 2874US9685859B2Signal transmission circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Jun 20, 2017·2 cites·11 claims
- 2972US9991797B2Semiconductor element drive apparatusFUJI ELECTRIC CO LTD·Filed 2016·Granted Jun 5, 2018·2 cites·5 claims
- 3070US10840796B2Power module with high-side and low-side programmable circuitFUJI ELECTRIC CO LTD·Filed 2020·Granted Nov 17, 2020·0 cites·14 claims
- 3170US9900009B2Level shift circuitFUJI ELECTRIC CO LTD·Filed 2015·Granted Feb 20, 2018·2 cites·3 claims
- 3269US12411513B2Integrated circuit and semiconductor moduleFUJI ELECTRIC CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·11 claims
- 3369US12218656B2Driving apparatus and driving methodFUJI ELECTRIC CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·13 claims
- 3469US10284192B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2018·Granted May 7, 2019·2 cites·7 claims
- 3568US10809285B2Current detection circuit and current detection method of semiconductor elementFUJI ELECTRIC CO LTD·Filed 2018·Granted Oct 20, 2020·1 cites·16 claims
- 3667US12328124B2Delay apparatus and delay methodFUJI ELECTRIC CO LTD·Filed 2023·Granted Jun 10, 2025·0 cites·11 claims
- 3766US12007825B2Slave communication apparatus and master communication apparatusFUJI ELECTRIC CO LTD·Filed 2021·Granted Jun 11, 2024·0 cites·4 claims
- 3866US11469751B2Drive circuit, drive method, and semiconductor systemFUJI ELECTRIC CO LTD·Filed 2021·Granted Oct 11, 2022·0 cites·10 claims
- 3964US11736094B2Filter circuit and semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2021·Granted Aug 22, 2023·0 cites·14 claims
- 4063US11165418B2Drive circuit, drive method, and semiconductor systemFUJI ELECTRIC CO LTD·Filed 2020·Granted Nov 2, 2021·0 cites·8 claims
- 4163US10374592B2Semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2016·Granted Aug 6, 2019·1 cites·19 claims
- 4263US10171082B2Driving circuitFUJI ELECTRIC CO LTD·Filed 2017·Granted Jan 1, 2019·1 cites·13 claims
- 4362US8351235B2Level shift circuitFUJI ELECTRIC CO LTD·Filed 2010·Granted Jan 8, 2013·2 cites·22 claims
- 4460US10644582B2Power module with high-side and low-side programmable circuitFUJI ELECTRIC CO LTD·Filed 2019·Granted May 5, 2020·0 cites·12 claims
- 4559US12273018B2Power supply circuit and switching control circuitFUJI ELECTRIC CO LTD·Filed 2022·Granted Apr 8, 2025·0 cites·12 claims
- 4659US11188137B2Slave communication apparatus and master communication apparatusFUJI ELECTRIC CO LTD·Filed 2019·Granted Nov 30, 2021·0 cites·9 claims
- 4759US2025023485A1Circuit apparatus and power conversion circuitFUJI ELECTRIC CO LTD·Filed 2024·Application pending·0 cites
- 4858US11201536B2Switching control circuit and semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2020·Granted Dec 14, 2021·0 cites·17 claims
- 4958US10305365B2Power module with high-side and low-side programmable circuitsFUJI ELECTRIC CO LTD·Filed 2018·Granted May 28, 2019·0 cites·6 claims
- 5057US8773100B2Inductive load controlling deviceAKAHANE MASASHI·Filed 2012·Granted Jul 8, 2014·1 cites·17 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →