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USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Jacobs — 52 Patents

ATAT&T: 34 patents #424 of 18,772Top 3%
TSTyco Electronics Power Systems: 4 patents #2 of 51Top 4%
TATyco Electronics Logistics Ag: 3 patents #16 of 200Top 8%
PSPenn State: 1 patents #667 of 1,788Top 40%
Dallas, TX: #68 of 7,543 inventorsTop 1%
Texas: #1,624 of 125,132 inventorsTop 2%
Overall (All Time): #50,240 of 4,157,543Top 2%
52 Patents All Time
Mark E. Jacobs has been granted 52 US patents while listed as an inventor at AT&T. The first was granted in 1994 and the most recent in October 2010. Mark E. Jacobs ranks #50,240 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Mark E. Jacobs in Dallas, TX, US.

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7821799 Ripple reduction for switch-mode power conversion 2010-10-26
7459893 Optimal feedback control of switch-mode power converters 2008-12-02
7092259 Active clamp DC/DC converter with resonant transition system 2006-08-15
6903944 Active clamp DC/DC converter with resonant transition system 2005-06-07
6882548 Auxiliary active clamp circuit, a method of clamping a voltage of a rectifier switch and a power converter employing the circuit or method Subarna Pal, John F. Steel 2005-04-19 $21,919,000
6822882 Gate driver with a DC offset bias circuit and a power converter employing the same Subarna Pal, John F. Steel 2004-11-23 $65,099,000
6646895 Bias supply circuit and a switching power supply employing the same Robert John Murphy, Ramanujam Ramabhadran, Thomas Gang Wang, Shashank Wekhande 2003-11-11 $75,459,000
6606258 Voltage reference translation system and an electronic circuit employing the same Thomas Gang Wang 2003-08-12 $86,964,000
6445597 Local loop control system for a multiple output power converter Jeffrey J. Boylan, Li-Chun Li 2002-09-03 $389,865,000
6400580 System and method for reducing a DC magnetic flux bias in a transformer and power converter employing the same Wayne C. Bowman, Allen F. Rozman 2002-06-04
6396725 System and method for improving control loop response of a power supply Allen F. Rozman 2002-05-28
6377476 Protection circuit for active switches in clamp-mode topologies, and power converter employing the same Simon Fraidlin, Allen F. Rozman, Vijayan J. Thottuvelil 2002-04-23
6356461 Transformer flux observer for a full bridge power converter and method of operation thereof 2002-03-12
6351396 Method and apparatus for dynamically altering operation of a converter device to improve conversion efficiency 2002-02-26
6288920 Drive compensation circuit for synchronous rectifier and method of operating the same Allen F. Rozman 2001-09-11
6249447 System and method for determining output current and converter employing the same Jeffrey J. Boylan, Allen F. Rozman 2001-06-19 $160,872,000
6243278 Drive circuit for synchronous rectifier and method of operating the same 2001-06-05 $431,353,000
6201719 Controller for power supply and method of operation thereof Jin He 2001-03-13 $29,363,000
6188586 Asymmetrical half-bridge power converter having reduced input ripple and method of manufacturing the same Richard W. Farrington, Rui Liu, Vijayan J. Thottuvelil 2001-02-13 $25,854,000
6178098 Phase-shifted post-regulator, method of operation thereof and power converter employing the same Jin He 2001-01-23 $53,311,000
6122183 Two-stage, three-phase boost converter with reduced total harmonic distortion Jin He 2000-09-19 $40,402,000
6094087 Gate drive circuit for isolated gate devices and method of operation thereof Jin He, Kamakshi Sridhar 2000-07-25 $81,780,000
6091616 Drive compensation circuit for synchronous rectifier and method of operating the same Allen F. Rozman 2000-07-18 $62,471,000
6075716 Two-stage, three phase boost converter with reduced total harmonic distortion Jin He 2000-06-13 $55,977,000
6055166 Low trickle current startup bias circuit and method of operation thereof Yimin Jiang, Vijayan J. Thottuvelil 2000-04-25 $64,347,000