RH

Ronald B. Hulfachor

FS Fairchild Semiconductor: 9 patents #72 of 715Top 15%
IR International Rectifier: 3 patents #140 of 432Top 35%
SL Silicon Laboratories: 3 patents #274 of 744Top 40%
IA Infineon Technologies Austria Ag: 2 patents #458 of 1,126Top 45%
📍 Standish, ME: #1 of 25 inventorsTop 4%
🗺 Maine: #171 of 4,281 inventorsTop 4%
Overall (All Time): #251,374 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
11632053 Isolated switched-mode power converter having secondary-side rectified voltage sensing Sujata Sen, Sue Perranoski, Cha-Fu Tsai 2023-04-18
10770983 Circuits and methods for secondary-side rectified voltage sensing in isolated switched-mode power converters Sujata Sen, Sue Perranoski, Cha-Fu Tsai 2020-09-08
8558524 Master/slave power supply switch driver circuitry Robert T. Carroll 2013-10-15
8476939 Switching power supply gate driver Anthony B. Candage 2013-07-02
8412923 Multi-mode pin usage in a power supply control integrated circuit Robert T. Carroll, Dror Barash, Frank Kern 2013-04-02
7443250 Programmable phase-locked loop responsive to a selected bandwidth and a selected reference clock signal frequency to adjust circuit characteristics Srisai R. Seethamraju, William J. Anker, Richard J. Juhn 2008-10-28
7405628 Technique for switching between input clocks in a phase-locked loop Srisai R. Seethamraju, Shailesh Chitnis 2008-07-29
7348818 Tunable high-speed frequency divider Ligang Zhang 2008-03-25
7079369 Active power/ground ESD trigger Jay R. Chapin 2006-07-18
7030669 Circuit to linearize gain of a voltage controlled oscillator over wide frequency range James J. McDonald, II 2006-04-18
6940356 Circuitry to reduce PLL lock acquisition time James J. McDonald, II 2005-09-06
6927460 Method and structure for BiCMOS isolated NMOS transistor Steven Leibiger, Michael Harley-Stead, Daniel Hahn 2005-08-09
6894553 Capacitively coupled current boost circuitry for integrated voltage regulator James J. McDonald, II 2005-05-17
6855964 Triggering of an ESD NMOS through the use of an N-type buried layer 2005-02-15
6794945 PLL for clock recovery with initialization sequence James J. McDonald, II, Jim Wunderlich 2004-09-21
6261932 Method of fabricating Schottky diode and related structure 2001-07-17
6117717 Method for after gate implant of threshold adjust with low impact on gate oxide integrity Thomas A. Carbone 2000-09-12
6100125 LDD structure for ESD protection and method of fabrication Steven Leibiger, Michael Harley-Stead, Daniel Hahn 2000-08-08