Inventor · Malibu, CA, US

Robert D. Washburn

32Patents
12h-index
22Co-inventors
81Inventor score

Filing activity: Aug 23, 1974 → Jun 12, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5312674A Low-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer Emerging Cross-Sectional Technologies 117 Expired
US5532667A Low-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer Emerging Cross-Sectional Technologies 98 Expired
US4025818A Wire ion plasma electron gun Electricity 97 Expired
US4841429A Capacitive coupled power supplies Electricity 76 Expired
US5604673A Low temperature co-fired ceramic substrates for power converters Electricity 60 Expired
US5396397A Field control and stability enhancement in multi-layer, 3-dimensional structures Electricity 52 Expired
US5354599A Dielectric vias within multi-layer 3-dimensional structures/substrates Emerging Cross-Sectional Technologies 31 Expired
US4980810A VHF DC-DC power supply operating at frequencies greater than 50 MHz Electricity 28 Expired
US5162963A Surge eliminator for switching converters Electricity 18 Expired
US5661647A Low temperature co-fired ceramic UHF/VHF power converters Emerging Cross-Sectional Technologies 16 Expired
US5121084A Balance and protection for stacked RF amplifiers Electricity 15 Expired
US5438167A Ferrimagnetic vias within multi-layer 3-dimensional structures/substrates Electricity 14 Expired
US5382879A RF fluorescent lighting system Electricity 10 Expired
US5220236A Geometry enhanced optical output for RF excited fluorescent lights Electricity 9 Expired
US4999583A Amplifier drive controller Electricity 9 Expired
US4709215A Traveling wave tube drive controller Physics 8 Expired
US7430291B2 Common mode transmission line termination Electricity 8 Expired
US7579971B2 Low distortion digital to analog converter and digital signal synthesizer systems Electricity 8 Expired
US3931528A Pulse generator for reactive loads Electricity 8 Expired
US5184288A High frequency poly-phase rectifier for converting AC power signal to DC Electricity 7 Expired
US5384515A Shrouded pin electrode structure for RF excited gas discharge light sources Electricity 6 Expired
US4841428A Non-saturating magnetic amplifier controller Electricity 5 Expired
US7420405B2 Electronic isolator Electricity 4 Expired
US9707835B2 Efficient vehicle power systems Emerging Cross-Sectional Technologies 3 Active
US7312637B2 Enhanced timing margin memory interface Physics 2 Expired

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