Inventor · Swindale, FL, US

James D. Beasom

125Patents
20h-index
17Co-inventors
87Inventor score

Filing activity: Jul 21, 1972 → Jul 25, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5770878A Trench MOS gate device Electricity 144 Expired
US6368920B1 Trench MOS gate device Electricity 98 Expired
US5436189A Self-aligned channel stop for trench-isolated island Emerging Cross-Sectional Technologies 91 Expired
US6894349B2 Lateral DMOS structure with lateral extension structure for reduced charge trapping in gate oxide Electricity 60 Expired
US5801084A Bonded wafer processing Emerging Cross-Sectional Technologies 60 Expired
US5892264A High frequency analog transistors, method of fabrication and circuit implementation Electricity 57 Expired
US5264719A High voltage lateral semiconductor device Electricity 56 Expired
US5668397A High frequency analog transistors, method of fabrication and circuit implementation Electricity 51 Expired
US5780311A bonded wafer processing Emerging Cross-Sectional Technologies 44 Expired
US5338960A Formation of dual polarity source/drain extensions in lateral complementary channel MOS architectures Electricity 43 Expired
US6822314B2 Base for a NPN bipolar transistor Electricity 42 Expired
US4120707A Process of fabricating junction isolated IGFET and bipolar transistor integrated circuit by diffusion Electricity 35 Expired
US4567385A Power switched logic gates Electricity 29 Expired
US4823173A High voltage lateral MOS structure with depleted top gate region Electricity 28 Expired
US6902967B2 Integrated circuit with a MOS structure having reduced parasitic bipolar transistor action Electricity 27 Expired
US4876579A Low top gate resistance JFET structure Electricity 26 Expired
US4210875A Integrated amplifier with adjustable offset voltage Electricity 26 Expired
US4694313A Conductivity modulated semiconductor structure Electricity 26 Expired
US5057895A Trench conductor and crossunder architecture Electricity 23 Expired
US5196373A Method of making trench conductor and crossunder architecture Emerging Cross-Sectional Technologies 22 Expired
US5541435A Integration of high voltage lateral MOS devices in low voltage CMOS architecture using CMOS-compatible process steps Electricity 20 Expired
US5493207A Voltage divider and use as bias network for stacked transistors Physics 20 Expired
US5283461A Trench conductor and crossunder architecture Emerging Cross-Sectional Technologies 20 Expired
US4532003A Method of fabrication bipolar transistor with improved base collector breakdown voltage and collector series resistance Electricity 19 Expired
US4807012A IC which eliminates support bias influence on dielectrically isolated components Electricity 19 Expired

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