Inventor · Tucson, AZ, US

Thomas A. Somerville

21Patents
11h-index
9Co-inventors
68Inventor score

Filing activity: Apr 28, 1986 → Jul 28, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5598086A Peak voltage and peak slope detector for a battery charger circuit Electricity 192 Expired
US4835486A Isolation amplifier with precise timing of signals coupled across isolation barrier Electricity 107 Expired
US5304917A Compact low noise low power dual mode battery charging circuit Emerging Cross-Sectional Technologies 100 Expired
US4748419A Isolation amplifier with precise timing of signals coupled across isolation barrier Electricity 79 Expired
US6838942B1 Efficient class-G amplifier with wide output voltage swing Electricity 76 Expired
US5598327A Planar transformer assembly including non-overlapping primary and secondary windings surrounding a common magnetic flux path area Emerging Cross-Sectional Technologies 74 Expired
US4887047A Current sense amplifier with low, nonlinear input impedance and high degree of signal amplification linearity Electricity 20 Expired
US5627494A High side current sense amplifier Electricity 18 Expired
US6184750A Control circuit driven by a differential input voltage and method for controlling same Electricity 18 Expired
US6133764A Comparator circuit and method Electricity 18 Expired
US5900772A Bandgap reference circuit and method Physics 15 Expired
US5111131A Compact low noise low power dual mode battery charging circuit Emerging Cross-Sectional Technologies 10 Expired
US7557551B1 Amplitude modulated switching voltage regulator Electricity 10 Active
US6586987B2 Circuit with source follower output stage and adaptive current mirror bias Physics 8 Expired
US7535204B1 Split-phase switching power converter Electricity 6 Active
US9793861B1 Amplification systems Electricity 3 Active
US6856189B2 Delta Vgs curvature correction for bandgap reference voltage generation Physics 3 Expired
US9092041B1 Current mirror circuit configured to adjust a body to source voltage of an input device Physics 2 Active
US6876249B2 Circuit and method for a programmable reference voltage Physics 2 Expired
US4707776A Metal oxide semiconductor stabilized dc to dc/ac converter Electricity 1 Expired
US6747477B2 Programmable data device and method therefor Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.