Inventor · disambiguated record
Masayuki Hirota
Also filed as: HIROTA MASAYUKI
19 granted patents·7 pending applications·222 citations·filing 1993–2025
95Inventor score
Files withHITACHI IND EQUIPMENT SYS10HIROTA MASAYUKI5PANASONIC CORP3HITACHI IND EQUIPMENT SYSTEM C1HITACHI IND EQUUIPMENT SYSTEMS1
Top patents by PatentIndex Score
26 records- 0191US8159820B2Electric power conversion systemIBORI SATOSHI·Filed 2008·Granted Apr 17, 2012·38 cites·8 claims
- 0287US7206204B2Electric circuit moduleHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Apr 17, 2007·53 cites·20 claims
- 0386US7652702B2Solid state imaging device and imaging devicePANASONIC CORP·Filed 2007·Granted Jan 26, 2010·10 cites·23 claims
- 0485US8040414B2A/D converter-incorporated solid-state imaging devicePANASONIC CORP·Filed 2009·Granted Oct 18, 2011·11 cites·10 claims
- 0584US8385078B2Power transducerHITACHI IND EQUIPMENT SYS·Filed 2009·Granted Feb 26, 2013·9 cites·5 claims
- 0678US7904254B2Power conversion apparatus and method of estimating power cycle lifeHITACHI IND EQUIPMENT SYS·Filed 2008·Granted Mar 8, 2011·9 cites·20 claims
- 0777US7272004B2Frequency converterHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Sep 18, 2007·6 cites·12 claims
- 0874US7515422B2Electric power converterHITACHI IND EQUIPMENT SYSTEM C·Filed 2006·Granted Apr 7, 2009·13 cites·7 claims
- 0972US5278001AHydrogen storage alloy, electrode comprising the same and hydrogen storage alloy cellHITACHI MAXELL·Filed 1993·Granted Jan 11, 1994·32 cites·5 claims
- 1067US7394668B2Switching power supply circuit and frequency converterHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Jul 1, 2008·7 cites·16 claims
- 1167US7054157B2Frequency converterHITACHI IND EQUIPMENT SYS·Filed 2004·Granted May 30, 2006·10 cites·10 claims
- 1263US6873240B2Power converterHITACHI LTD·Filed 2002·Granted Mar 29, 2005·7 cites·4 claims
- 1358US8423317B2Temperature detection method of semiconductor device and power conversion apparatusKAMEZAWA TOMOYA·Filed 2005·Granted Apr 16, 2013·3 cites·6 claims
- 1457US8848384B2Power transducerHITACHI IND EQUIPMENT SYS·Filed 2012·Granted Sep 30, 2014·0 cites·8 claims
- 1557US2025271367A1Radiation image scannerJ MORITA MFG CORP·Filed 2025·Application pending·0 cites
- 1654US7518890B2AC/DC/AC converter with reduced inductance in the DC filter capacitorsHITACHI IND EQUIPMENT SYS·Filed 2006·Granted Apr 14, 2009·4 cites·10 claims
- 1751US7643304B2Filter apparatus and frequency converter to which the filter apparatus is connectedHITACHI IND EQUIPMENT SYS·Filed 2004·Granted Jan 5, 2010·6 cites·11 claims
- 1851US2009167915A1Solid-state imaging device and driving method of the samePANASONIC CORP·Filed 2008·Application pending·0 cites
- 1950US2008212279A1Frequency ConverterHIROTA MASAYUKI·Filed 2007·Application pending·0 cites
- 2048US8395688B2Solid-state imaging device having a shortened correlated double sampling (CDS) period, driving method of the same, and camera including the sameMURAKAMI MASASHI·Filed 2008·Granted Mar 12, 2013·0 cites·9 claims
- 2142US2009040743A1Filter apparatus and frequency coverter to which the filter apparatus is connectedHIROTA MASAYUKI·Filed 2008·Application pending·0 cites
- 2242US2009046434A1Filter apparatus and frequency converter to which the filter apparatus is connectedHIROTA MASAYUKI·Filed 2008·Application pending·0 cites
- 2342US2009040733A1Filter apparatus and frequency converter to which the filter apparatus is connectedHIROTA MASAYUKI·Filed 2008·Application pending·0 cites
- 2442US2009046435A1Filter apparatus and frequency converter to which the filter apparatus is connectedHIROTA MASAYUKI·Filed 2008·Application pending·0 cites
- 2541US7151680B2Switching power supply circuit and frequency converterHITACHI IND EQUIPMENT SYS·Filed 2003·Granted Dec 19, 2006·3 cites·19 claims
- 2639US6927665B2Power converterHITACHI IND EQUUIPMENT SYSTEMS·Filed 2004·Granted Aug 9, 2005·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →