Inventor · Maple Valley, WA, US

James Wilson

53Patents
19h-index
34Co-inventors
84Inventor score

Filing activity: Oct 26, 1987 → Apr 11, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6701148B1 Method and apparatus for simultaneous radio and mobile frequency transition via “handoff to self” Electricity 172 Expired
US6782068B1 PLL lockout watchdog Electricity 70 Expired
US6040793A Switched-capacitor sigma-delta analog-to-digital converter with input voltage overload protection Electricity 64 Expired
US6169734A Internet phone set Electricity 60 Expired
US7512647B2 Condensed Galois field computing system Electricity 57 Expired
US6853842B1 System and method for using mobile station signal strength measurements to collect radio frequency isolation data in a cellular network Electricity 47 Expired
US5963160A Analog to digital conversion using nonuniform sample rates Electricity 45 Expired
US5313205A Method for varying the interpolation ratio of a digital oversampling digital-to-analog converter system and apparatus therefor Electricity 44 Expired
US5497152A Digital-to-digital conversion using non-uniform sample rates Electricity 42 Expired
US5712635A Digital to analog conversion using nonuniform sample rates Electricity 39 Expired
US5619202A Variable sample rate ADC Electricity 38 Expired
US4796864A Spring loaded drop foot trailer jack Performing Operations; Transporting 37 Expired
US5489903A Digital to analog conversion using non-uniform sample rates Electricity 33 Expired
US5892468A Digital-to-digital conversion using nonuniform sample rates Electricity 32 Expired
US5625358A Digital phase-locked loop utilizing a high order sigma-delta modulator Electricity 29 Expired
US5353026A Fir filter with quantized coefficients and coefficient quantization method Electricity 29 Expired
US5625359A Variable sample rate ADC Electricity 25 Expired
US6219554A System and method of integrating dynamic frequency association with channel borrowing techniques Electricity 20 Expired
US5552785A Digital phase-locked loop utilizing a high order sigma-delta modulator Electricity 19 Expired
USD447309S Housing and speed reducer for a trailer jack General 18 Expired
US5600320A Variable sample rate DAC Electricity 17 Expired
US5512897A Variable sample rate DAC Electricity 15 Expired
US6829231B1 Internet phone system and directory search engine using same Electricity 14 Expired
US8441291B2 PLL using interpolative divider as digitally controlled oscillator Electricity 13 Active
US5485152A Analog to digital conversion using non-uniform sample rates Electricity 13 Expired

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