Inventor · disambiguated record
Takashi Sase
Also filed as: HIRAYAMA TAKESHI · SASE TAKASHI
37 granted patents·2 pending applications·1,221 citations·filing 1975–2012
98Inventor score
Top patents by PatentIndex Score
39 records- 0198US7385380B2Switching power supplyRENESAS TECH CORP·Filed 2007·Granted Jun 10, 2008·202 cites·10 claims
- 0298US7138786B2Power supply driver circuitRENESAS TECH CORP·Filed 2005·Granted Nov 21, 2006·227 cites·11 claims
- 0396US6879137B2Power-supply deviceHITACHI LTD·Filed 2004·Granted Apr 12, 2005·114 cites·16 claims
- 0494US7109693B2Switching power supply device and switching power supply systemRENESAS TECH CORP·Filed 2006·Granted Sep 19, 2006·49 cites·11 claims
- 0592US6979985B2Switching power supply device and switching power supply systemRENESAS TECH CORP·Filed 2003·Granted Dec 27, 2005·74 cites·41 claims
- 0691US8724348B2Power-supply unit, hard-disk drive, and switching method of the power-supply unitSASE TAKASHI·Filed 2010·Granted May 13, 2014·14 cites·16 claims
- 0789US7990122B2Digital control switching power-supply device and information processing equipmentHITACHI LTD·Filed 2007·Granted Aug 2, 2011·28 cites·17 claims
- 0889US6798180B2Power-supply deviceHITACHI LTD·Filed 2003·Granted Sep 28, 2004·48 cites·16 claims
- 0988US8605464B2Power converter, control method of power converter, and hard disk driveSASE TAKASHI·Filed 2012·Granted Dec 10, 2013·10 cites·16 claims
- 1086US7102388B2Interface device and information processing systemHITACHI LTD·Filed 2003·Granted Sep 5, 2006·30 cites·8 claims
- 1186US7091711B2Switching power supply device and switching power supply systemRENESAS TECH CORP·Filed 2005·Granted Aug 15, 2006·20 cites·12 claims
- 1284US8654551B2Supply device, and LED lighting equipment using the sameSASE TAKASHI·Filed 2011·Granted Feb 18, 2014·8 cites·17 claims
- 1383US6377480B1Soft start circuit for switching power supplyHITACHI LTD·Filed 2001·Granted Apr 23, 2002·45 cites·8 claims
- 1482USRE43946EDigital control switching power-supply device and information processing equipmentHITACHI LTD·Filed 2012·Granted Jan 29, 2013·6 cites·23 claims
- 1580US8199530B2Power supply unit, hard disk drive and method of switching the power supply unitSASE TAKASHI·Filed 2009·Granted Jun 12, 2012·16 cites·13 claims
- 1680US4396890AVariable gain amplifierHITACHI LTD·Filed 1980·Granted Aug 2, 1983·23 cites·30 claims
- 1778US4774480APhase-locked loop having separate smoothing and loop filtersHITACHI LTD·Filed 1987·Granted Sep 27, 1988·31 cites·16 claims
- 1877US4086541ATime division multiplexing amplifierHITACHI LTD·Filed 1976·Granted Apr 25, 1978·18 cites·9 claims
- 1974US7403365B2Over-current detection circuit and method for power-supply deviceHITACHI LTD·Filed 2006·Granted Jul 22, 2008·12 cites·10 claims
- 2074US7268611B2Semiconductor device and memory card using sameRENESAS TECH CORP·Filed 2003·Granted Sep 11, 2007·19 cites·35 claims
- 2173US8305065B2Power supplying apparatus including a pulse-width modulation oscillator and smoothing filtersSASE TAKASHI·Filed 2009·Granted Nov 6, 2012·12 cites·4 claims
- 2271US6977522B1Interface device and information processing systemHITACHI LTD·Filed 1999·Granted Dec 20, 2005·30 cites·10 claims
- 2371US5724519AComplementary transistor circuit and amplifier and CRT display device using the sameHITACHI LTD·Filed 1990·Granted Mar 3, 1998·28 cites·13 claims
- 2470US7170273B2Power-supply device and hard disk drive using sameHITACHI LTD·Filed 2004·Granted Jan 30, 2007·22 cites·17 claims
- 2570US4178554APhase difference detectorHITACHI LTD·Filed 1977·Granted Dec 11, 1979·13 cites·5 claims
- 2667US6947514B1Phase-locked loop circuit, information processing apparatus, and information processing systemRENESAS TECH CORP·Filed 1998·Granted Sep 20, 2005·29 cites·20 claims
- 2766US4749961AVoltage controlled oscillator and phase-locked loop using itHITACHI LTD·Filed 1987·Granted Jun 7, 1988·26 cites·20 claims
- 2861US7759975B2Interface device and information processing systemHITACHI LTD·Filed 2008·Granted Jul 20, 2010·1 cites·11 claims
- 2960US5631517AUltrasonic motor and driving for the ultrasonic motorHITACHI LTD·Filed 1995·Granted May 20, 1997·22 cites·7 claims
- 3058US7088594B2Resonant converter and control method thereofHITACHI LTD·Filed 2004·Granted Aug 8, 2006·15 cites·20 claims
- 3152US6437621B2Waveform shaping deviceHITACHI LTD·Filed 2001·Granted Aug 20, 2002·1 cites·6 claims
- 3252US5757233AComplementary transistor circuit and amplifier and CRT display device using the sameHITACHI LTD·Filed 1995·Granted May 26, 1998·14 cites·14 claims
- 3349US7479804B2Interface device and information processing systemHITACHI LTD·Filed 2006·Granted Jan 20, 2009·0 cites·5 claims
- 3448US7615980B2Marginal check voltage setting means built-in power-supply deviceHITACHI LTD·Filed 2005·Granted Nov 10, 2009·2 cites·20 claims
- 3540US4025849AMethod of measuring analog input voltages through isolation transformers and apparatus for the sameHITACHI LTD·Filed 1975·Granted May 24, 1977·7 cites·7 claims
- 3640US2005127886A1Power-supply deviceFiled 2005·Application pending·0 cites
- 3738US5459378ACRT display apparatusHITACHI LTD·Filed 1993·Granted Oct 17, 1995·5 cites·12 claims
- 3837US2009021227A1Power-supply device, ic circuit, and information processing apparatus, and soft-start control methodSASE TAKASHI·Filed 2008·Application pending·0 cites
- 3936US6563200B2Interface device and interface systemHITACHI LTD·Filed 2001·Granted May 13, 2003·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →