Inventor · disambiguated record
Katsuyuki Yasukouchi
Also filed as: YASUKOUCHI KATSUYUKI
14 granted patents·1 pending application·107 citations·filing 1989–2021
91Inventor score
Files withFUJITSU LTD9CYPRESS SEMICONDUCTOR CORP2HASEGAWA MORIHITO1JUJITSU MICROELECTRONICS LTD1NAKAGAWA SHINICHI1
Top patents by PatentIndex Score
15 records- 0173US4983905AConstant voltage source circuitFUJITSU LTD·Filed 1989·Granted Jan 8, 1991·25 cites·15 claims
- 0270US7250745B2Control circuit of DC-DC converter and its control methodFUJITSU LTD·Filed 2004·Granted Jul 31, 2007·23 cites·21 claims
- 0369US7012411B2Switching regulator control circuit, switching regulator and switching regulator control methodFUJITSU LTD·Filed 2004·Granted Mar 14, 2006·22 cites·13 claims
- 0468US8233257B2Power supply circuit, overcurrent protection circuit for the same, and electronic deviceHASEGAWA MORIHITO·Filed 2009·Granted Jul 31, 2012·7 cites·9 claims
- 0565US9325239B2Power supply device, control circuit, electronic device and control method for power supplyCYPRESS SEMICONDUCTOR CORP·Filed 2013·Granted Apr 26, 2016·2 cites·17 claims
- 0658US11909364B2Fast start up control circuitCYPRESS SEMICONDUCTOR CORP·Filed 2021·Granted Feb 20, 2024·0 cites·20 claims
- 0758US6480069B2Active load circuit, and operational amplifier and comparator having the sameFUJITSU LTD·Filed 2001·Granted Nov 12, 2002·10 cites·14 claims
- 0857US6741105B2Differential circuit and peak hold circuit including differential circuitFUJITSU LTD·Filed 2003·Granted May 25, 2004·8 cites·14 claims
- 0951US7352163B2Early effect cancelling circuit, differential amplifier, linear regulator, and early effect canceling methodFUJITSU LTD·Filed 2005·Granted Apr 1, 2008·2 cites·16 claims
- 1049US8593126B2Power supply device, control circuit, electronic device and control method for power supplySUGA SHINICHIRO·Filed 2012·Granted Nov 26, 2013·1 cites·9 claims
- 1143US7113041B2Operational amplifierFUJITSU LTD·Filed 2005·Granted Sep 26, 2006·1 cites·6 claims
- 1240US6903609B2Operational amplifierFUJITSU LTD·Filed 2002·Granted Jun 7, 2005·3 cites·3 claims
- 1339US6806770B2Operational amplifierFUJITSU LTD·Filed 2003·Granted Oct 19, 2004·3 cites·16 claims
- 1438US8324873B2Power supply apparatus and power supply methodNAKAGAWA SHINICHI·Filed 2009·Granted Dec 4, 2012·0 cites·13 claims
- 1536US2009184699A1Power supply apparatus and power supply methodJUJITSU MICROELECTRONICS LTD·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →