Inventor · disambiguated record
Yasufumi Kawai
Also filed as: KAWAI YASUFUMI
11 granted patents·8 pending applications·31 citations·filing 2011–2022
85Inventor score
Top patents by PatentIndex Score
19 records- 0191US9494964B2Gate drive circuitPANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 15, 2016·9 cites·20 claims
- 0290US8536948B2Power amplifierPANASONIC CORP·Filed 2012·Granted Sep 17, 2013·10 cites·18 claims
- 0375US9362963B2Radio-frequency signal reception circuit and isolated signal transmission apparatusPANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 7, 2016·3 cites·9 claims
- 0473US9466421B2Resonance coupler and transmission devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Oct 11, 2016·2 cites·17 claims
- 0572US9735456B2Electromagnetic resonant coupler and high-frequency transmission devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Aug 15, 2017·3 cites·6 claims
- 0671US11932263B2Travel sickness estimation system, moving vehicle, travel sickness estimation method, and travel sickness estimation programPANASONIC IP MAN CO LTD·Filed 2019·Granted Mar 19, 2024·2 cites·18 claims
- 0766US2025115710A1Oxyethylene structure-containing polycarbonate polyol and use thereofASAHI CHEMICAL IND·Filed 2022·Application pending·0 cites
- 0863US2023227598A1Polycarbonate polyol compositionASAHI CHEMICAL IND·Filed 2021·Application pending·0 cites
- 0962US9438230B2Gate drive circuitPANASONIC IP MAN CO LTD·Filed 2015·Granted Sep 6, 2016·1 cites·20 claims
- 1059US9490797B2Drive devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 8, 2016·1 cites·7 claims
- 1157US2023023221A1Polycarbonate diol composition and coating material composition comprising sameASAHI CHEMICAL IND·Filed 2020·Application pending·0 cites
- 1253US2022411565A1Polycarbonate diol compositionASAHI CHEMICAL IND·Filed 2020·Application pending·0 cites
- 1352US2024199802A1Polycarbonate diol compositionASAHI CHEMICAL IND·Filed 2022·Application pending·0 cites
- 1443US8492895B2Semiconductor device with grounding conductor film formed on upper surface of dielectric film formed above integrated circuitSAKAI HIROYUKI·Filed 2011·Granted Jul 23, 2013·0 cites·10 claims
- 1541US9654112B2Signal inverting device, power transmission device, and negative-voltage generating circuitPANASONIC CORP·Filed 2015·Granted May 16, 2017·0 cites·16 claims
- 1641US2017353056A1Electromagnetic resonant coupler including input line, first resonance line, second resonance line, output line, and coupling line, and transmission apparatus including the electromagnetic resonant couplerPANASONIC CORP·Filed 2017·Application pending·0 cites
- 1740US10153765B2Signal generation devicePANASONIC CORP·Filed 2017·Granted Dec 11, 2018·0 cites·11 claims
- 1840US2020186145A1Gate driving circuit and power switching systemPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 1936US2021111590A1Electromagnetic resonance coupler and gate drive circuit using same, and signal transmission devicePANASONIC CORP·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →