Inventor · disambiguated record
Yoshiyasu Nakashima
Also filed as: NAKASHIMA YOSHIYASU
49 granted patents·15 pending applications·422 citations·filing 1991–2022
98Inventor score
Top patents by PatentIndex Score
64 records- 0198US8378647B2Power supply unit and information processorFUJITSU LTD·Filed 2011·Granted Feb 19, 2013·48 cites·9 claims
- 0296US8749210B1Power supply deviceFUJITSU LTD·Filed 2013·Granted Jun 10, 2014·20 cites·8 claims
- 0396US8205103B2Power-source control system and method to supply and control power to an information processing apparatusKAZAMA SATOSHI·Filed 2009·Granted Jun 19, 2012·60 cites·10 claims
- 0490US7974743B2Temperature controlling apparatus, information processing apparatus, and recording mediumFUJITSU LTD·Filed 2009·Granted Jul 5, 2011·24 cites·4 claims
- 0588US5594849ABiomedical magnetism imaging apparatus and methodUNIV YALE·Filed 1991·Granted Jan 14, 1997·81 cites·4 claims
- 0687US9887635B2Double-ended forward converter and power supply deviceFUJITSU LTD·Filed 2015·Granted Feb 6, 2018·5 cites·2 claims
- 0787US7528577B2Electronic apparatus with rechargeable batteryFUJITSU LTD·Filed 2006·Granted May 5, 2009·31 cites·20 claims
- 0886US10409301B2Electronic apparatus and surface temperature calculation methodFUJITSU LTD·Filed 2016·Granted Sep 10, 2019·3 cites·5 claims
- 0986US9837208B2Inductor apparatus and inductor apparatus manufacturing methodFUJITSU LTD·Filed 2014·Granted Dec 5, 2017·5 cites·11 claims
- 1084US9472333B2Planar type transformer and switching power supply circuitFUJITSU LTD·Filed 2015·Granted Oct 18, 2016·2 cites·5 claims
- 1183US7859841B2Information equipmentFUJITSU LTD·Filed 2008·Granted Dec 28, 2010·12 cites·4 claims
- 1280US9800145B2Control device, DC-DC converter, switching power supply apparatus, and information processing apparatusFUJITSU LTD·Filed 2015·Granted Oct 24, 2017·3 cites·15 claims
- 1379US10254179B2Enclosure surface temperature estimation method and electronic apparatusFUJITSU LTD·Filed 2015·Granted Apr 9, 2019·2 cites·12 claims
- 1478US7629712B2Electronic apparatus having DC voltage conversion function, and DC voltage converterFUJITSU LTD·Filed 2005·Granted Dec 8, 2009·16 cites·10 claims
- 1576US8693222B2DC-DC converter, power supply unit and an information processing apparatusYONEZAWA YU·Filed 2011·Granted Apr 8, 2014·5 cites·12 claims
- 1675US6901274B2Portable information deviceFUJITSU LTD·Filed 2002·Granted May 31, 2005·15 cites·8 claims
- 1774US10797595B2Power supply and control method for power supplyFDK CORP·Filed 2019·Granted Oct 6, 2020·2 cites·8 claims
- 1874US8773103B2Power supply deviceYONEZAWA YU·Filed 2012·Granted Jul 8, 2014·4 cites·7 claims
- 1973US9152472B2Load distribution systemKAZAMA SATOSHI·Filed 2011·Granted Oct 6, 2015·3 cites·13 claims
- 2073US8634952B2Fan control method and medium storing fan control programKAZAMA SATOSHI·Filed 2011·Granted Jan 21, 2014·2 cites·5 claims
- 2171US8786134B2Wireless power transmitting system, power receiving station, power transmitting station, and recording mediumKAZAMA SATOSHI·Filed 2010·Granted Jul 22, 2014·4 cites·13 claims
- 2270US9590512B2Power supply apparatusFUJITSU LTD·Filed 2014·Granted Mar 7, 2017·3 cites·5 claims
- 2368US8444054B2Information access system and method for accessing information in contactless information storage devicesKAZAMA SATOSHI·Filed 2006·Granted May 21, 2013·4 cites·6 claims
- 2467US9438107B2Control device, control method, and power supply deviceFUJITSU LTD·Filed 2013·Granted Sep 6, 2016·2 cites·20 claims
- 2566US8901906B2Control circuit and electronic apparatus using the sameFUJITSU LTD·Filed 2012·Granted Dec 2, 2014·2 cites·5 claims
- 2665US9960695B2Power supply apparatus and error detecting method for power supply apparatusFUJITSU LTD·Filed 2016·Granted May 1, 2018·1 cites·4 claims
- 2765US5355085AMultichannel SQUID flux meter having multiplexed SQUID flux sensorsFUJITSU LTD·Filed 1991·Granted Oct 11, 1994·27 cites·15 claims
- 2864US9166480B2Insulation-type power factor correction circuitFUJITSU LTD·Filed 2013·Granted Oct 20, 2015·2 cites·8 claims
- 2962US7816812B2Electronic device, and system for DC voltage conversionFUJITSU LTD·Filed 2007·Granted Oct 19, 2010·5 cites·11 claims
- 3062US2018068787A1Inductor apparatus and inductor apparatus manufacturing methodFUJITSU LTD·Filed 2017·Application pending·0 cites
- 3160US7602150B2Battery device for electronic apparatus with rechargeable secondary battery, fuel cell and run time computing unitFUJITSU LTD·Filed 2006·Granted Oct 13, 2009·4 cites·9 claims
- 3259US9762232B2Semiconductor deviceFUJITSU LTD·Filed 2014·Granted Sep 12, 2017·1 cites·12 claims
- 3355US5495849ABiologic magnetometer for determining an electric current distribution in a living organFUJITSU LTD·Filed 1994·Granted Mar 5, 1996·16 cites·9 claims
- 3455US2023034570A1Water electrolysis system and current control apparatusFUJITSU LTD·Filed 2022·Application pending·0 cites
- 3550US9444350B2DC-DC converter with LC resonance circuit and transformerFUJITSU LTD·Filed 2014·Granted Sep 13, 2016·0 cites·12 claims
- 3649US10014770B1Power supply device, control circuit for power supply device, and control method for power supply deviceFUJITSU LTD·Filed 2017·Granted Jul 3, 2018·0 cites·6 claims
- 3749US9075606B2Storage apparatus and method of determining device to be activatedFUJITSU LTD·Filed 2013·Granted Jul 7, 2015·0 cites·9 claims
- 3848US9559593B2Synchronous rectification converter and control method of synchronous rectification converterFUJITSU LTD·Filed 2014·Granted Jan 31, 2017·0 cites·3 claims
- 3948US2020249281A1Information processing apparatus and computer-readable recording medium storing battery deterioration diagnosis programFUJITSU LTD·Filed 2019·Application pending·0 cites
- 4048US2020184033A1Simulation apparatus of power supply deviceFUJITSU LTD·Filed 2019·Application pending·0 cites
- 4147US10008940B2Power supply device and method for controlling power supply circuitFUJITSU LTD·Filed 2016·Granted Jun 26, 2018·0 cites·9 claims
- 4247US2005216786A1Data accumulation systemFUJITSU LTD·Filed 2005·Application pending·0 cites
- 4346US10627455B2Capacitor life diagnosis apparatus and capacitor life diagnosis methodFUJITSU LTD·Filed 2017·Granted Apr 21, 2020·0 cites·12 claims
- 4446US9893629B2Control method for switching power supply circuit and power supply deviceFUJITSU LTD·Filed 2016·Granted Feb 13, 2018·0 cites·5 claims
- 4546US9318972B2Power circuitFUJITSU LTD·Filed 2015·Granted Apr 19, 2016·0 cites·10 claims
- 4645US2004248514A1Short distance wireless communication system utilizing portable terminals and wireless communication device for the systemFUJITSU LTD·Filed 2004·Application pending·0 cites
- 4744US8954761B2Method and system of controlling power supply of an information processing device including load informationNAKASHIMA YOSHIYASU·Filed 2009·Granted Feb 10, 2015·0 cites·18 claims
- 4844US8324866B2Charging system, processor and feederKAZAMA SATOSHI·Filed 2010·Granted Dec 4, 2012·0 cites·12 claims
- 4944US2021050791A1Power supply device and non-transitory computer-readable storage medium for storing power supply management programFUJITSU LTD·Filed 2020·Application pending·0 cites
- 5044US2004162060A1Start up application on information processor by means of portable unitFUJITSU LTD·Filed 2003·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →