Inventor · Ann Arbor, MI, US

William E. Armstrong

9Patents
7h-index
11Co-inventors
60Inventor score

Filing activity: Feb 20, 1976 → Mar 14, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US5461385A RF/ID transponder system employing multiple transponders and a sensor switch Physics 146 Expired
US5541574A Transponder system for communicating with a vehicle tire Physics 68 Expired
US4062699A Method for fabricating diffusion self-aligned short channel MOS device Emerging Cross-Sectional Technologies 49 Expired
US4744914A Electric field dependent fluids Chemistry; Metallurgy 44 Expired
US4554411A Intercom system Electricity 32 Expired
US8164159B1 Semiconductor resonators with electromagnetic and environmental shielding and methods of forming same Electricity 21 Active
US4989703A Hydraulic brake release system Performing Operations; Transporting 16 Expired
US9234801B2 Manufacturing method for LED emitter with high color consistency Physics 5 Active
USRE29660E Process and product for making a single supply N-channel silicon gate device General 0 Expired

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