Inventor · disambiguated record
Hiroki Akashi
Also filed as: AKASHI HIROKI
17 granted patents·5 pending applications·272 citations·filing 1999–2022
93Inventor score
Top patents by PatentIndex Score
22 records- 0197US7250746B2Current mode switching regulator with predetermined on timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 31, 2007·105 cites·16 claims
- 0285US11749578B2Semiconductor module, power semiconductor module, and power electronic equipment using the semiconductor module or the power semiconductor modulePANASONIC IP MAN CO LTD·Filed 2020·Granted Sep 5, 2023·2 cites·25 claims
- 0384US7274116B2direct-current power supply and battery-powered electronic apparatus equipped with the power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 25, 2007·59 cites·17 claims
- 0480US12184118B2Backup power supply control system, backup power supply system, and moving vehiclePANASONIC IP MAN CO LTD·Filed 2021·Granted Dec 31, 2024·1 cites·20 claims
- 0580US7294994B2Power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Nov 13, 2007·17 cites·15 claims
- 0679US7239200B2Power amplifying apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 3, 2007·25 cites·10 claims
- 0771US7391199B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jun 24, 2008·10 cites·11 claims
- 0869US7592792B2Power supplyPANASONIC CORP·Filed 2005·Granted Sep 22, 2009·9 cites·6 claims
- 0969US7482789B2Step-up converterPANASONIC CORP·Filed 2006·Granted Jan 27, 2009·9 cites·10 claims
- 1064US7541859B2Charge pump circuitPANASONIC CORP·Filed 2007·Granted Jun 2, 2009·7 cites·7 claims
- 1161US7075275B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 11, 2006·6 cites·7 claims
- 1257US7550957B2DC-DC converter and control circuit thereofPANASONIC CORP·Filed 2006·Granted Jun 23, 2009·4 cites·10 claims
- 1355US12451722B2Backup power supply system, mobile object, backup power supply system controlling method, and programPANASONIC IP MAN CO LTD·Filed 2022·Granted Oct 21, 2025·0 cites·14 claims
- 1450US12074516B2Class-D power converterPANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 27, 2024·0 cites·18 claims
- 1549US6252782B1Switching power supply utilizing magnetically coupled series inductorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jun 26, 2001·18 cites·22 claims
- 1648US2024079886A1Electrical storage device control system and backup power supply systemPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 1747US12348078B2Backup power supply system and moving vehiclePANASONIC IP MAN CO LTD·Filed 2021·Granted Jul 1, 2025·0 cites·16 claims
- 1844US12316232B2Power supply device, ACF converter, and AC adapterPANASONIC IP MAN CO LTD·Filed 2020·Granted May 27, 2025·0 cites·10 claims
- 1943US2024313765A1Backup power supply system, mobile object, and backup power supply system controlling method, and programPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 2038US2008290851A1Power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2008·Application pending·0 cites
- 2136US2006131961A1Multi-output power supply circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2236US2006214647A1DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →