Inventor · disambiguated record
Ronald B. Hulfachor
Also filed as: HULFACHOR RONALD · HULFACHOR RONALD B · HULFACHOR RONALD BRETT
18 granted patents·374 citations·filing 1998–2020
95Inventor score
Files withFAIRCHILD SEMICONDUCTOR9SILICON LAB INC3CARROLL ROBERT T2INFINEON TECHNOLOGIES AUSTRIA AG2CANDAGE ANTHONY B1
Top patents by PatentIndex Score
18 records- 0196US6940356B2Circuitry to reduce PLL lock acquisition timeFAIRCHILD SEMICONDUCTOR·Filed 2004·Granted Sep 6, 2005·94 cites·13 claims
- 0294US7405628B2Technique for switching between input clocks in a phase-locked loopSILICON LAB INC·Filed 2006·Granted Jul 29, 2008·41 cites·24 claims
- 0391US7443250B2Programmable phase-locked loop responsive to a selected bandwidth and a selected reference clock signal frequency to adjust circuit characteristicsSILICON LAB INC·Filed 2006·Granted Oct 28, 2008·28 cites·31 claims
- 0488US7348818B2Tunable high-speed frequency dividerSILICON LAB INC·Filed 2005·Granted Mar 25, 2008·18 cites·25 claims
- 0587US6261932B1Method of fabricating Schottky diode and related structureFAIRCHILD SEMICONDUCTOR·Filed 1999·Granted Jul 17, 2001·71 cites·17 claims
- 0684US8558524B2Master/slave power supply switch driver circuitryCARROLL ROBERT T·Filed 2011·Granted Oct 15, 2013·7 cites·31 claims
- 0783US10770983B2Circuits and methods for secondary-side rectified voltage sensing in isolated switched-mode power convertersINFINEON TECHNOLOGIES AUSTRIA AG·Filed 2018·Granted Sep 8, 2020·4 cites·23 claims
- 0879US6100125ALDD structure for ESD protection and method of fabricationFAIRCHILD SEMICONDUCTOR·Filed 1998·Granted Aug 8, 2000·47 cites·6 claims
- 0976US8476939B1Switching power supply gate driverCANDAGE ANTHONY B·Filed 2011·Granted Jul 2, 2013·5 cites·12 claims
- 1070US7079369B2Active power/ground ESD triggerFAIRCHILD SEMICONDUCTOR·Filed 2002·Granted Jul 18, 2006·17 cites·6 claims
- 1165US8412923B2Multi-mode pin usage in a power supply control integrated circuitCARROLL ROBERT T·Filed 2010·Granted Apr 2, 2013·2 cites·16 claims
- 1261US6927460B1Method and structure for BiCMOS isolated NMOS transistorFAIRCHILD SEMICONDUCTOR·Filed 2003·Granted Aug 9, 2005·10 cites·7 claims
- 1358US11632053B2Isolated switched-mode power converter having secondary-side rectified voltage sensingINFINEON TECHNOLOGIES AUSTRIA AG·Filed 2020·Granted Apr 18, 2023·0 cites·20 claims
- 1458US7030669B2Circuit to linearize gain of a voltage controlled oscillator over wide frequency rangeFAIRCHILD SEMICONDUCTOR·Filed 2004·Granted Apr 18, 2006·8 cites·8 claims
- 1552US6894553B2Capacitively coupled current boost circuitry for integrated voltage regulatorFAIRCHILD SEMICONDUCTOR·Filed 2002·Granted May 17, 2005·8 cites·6 claims
- 1644US6794945B2PLL for clock recovery with initialization sequenceFAIRCHILD SEMICONDUCTOR·Filed 2003·Granted Sep 21, 2004·6 cites·16 claims
- 1740US6855964B2Triggering of an ESD NMOS through the use of an N-type buried layerFARICHILD SEMICONDUCTOR CORP·Filed 2002·Granted Feb 15, 2005·2 cites·5 claims
- 1831US6117717AMethod for after gate implant of threshold adjust with low impact on gate oxide integrityFAIRCHILD SEMICONDUCTOR·Filed 1999·Granted Sep 12, 2000·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →