Inventor · Cedar Rapids, IA, US

Brian Walker

22Patents
4h-index
13Co-inventors
60Inventor score

Filing activity: Jun 15, 1995 → Dec 4, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8369431B2 Peak-to-average power reduction method Electricity 15 Active
US6802755B2 Light illuminated toy device Human Necessities 13 Expired
US5526076A Hand-held light projector for producing light show Physics 10 Expired
US10596281B1 Sterilizing touch screen displays with ultraviolet light Emerging Cross-Sectional Technologies 8 Active
USRE36197E Hand-held light projector for producing light show General 4 Expired
US9644816B1 Tailored stray light control for display applications Physics 4 Active
US7252079B1 Safe air-pressure-launched toy rocket system and method of entertaining Mechanical Engineering; Lighting; Heating 4 Expired
US8419203B1 Single card multi mode LCD backlight Physics 3 Active
US7581835B1 Light show device and method of entertaining Physics 3 Active
US8681290B1 System for improvement of light insertion into a light guide from light-emitting diodes (LEDs) Physics 2 Active
US6962415B2 Electro-optical dimming system Physics 1 Expired
US7970091B2 Method for reducing spectral regrowth in a spectrally efficient digital modulation scheme Electricity 1 Active
US8452245B2 Impedance measurement in an active radio frequency transmitter Electricity 1 Active
US7475508B1 Inflatable electrical shocking weapon Mechanical Engineering; Lighting; Heating 1 Active
US8213885B2 Impedance measurement in an active radio frequency transmitter Electricity 1 Active
US10365482B1 Light control system Physics 0 Active
US9088467B2 Peak-to-average power reduction method Electricity 0 Active
US11700161B2 Multiplex of high definition radio stations Electricity 0 Active
US10996511B1 Curved backlight and system for stray light control Physics 0 Active
US10705380B1 Curved backlight and system for stray light control Physics 0 Active
US11263982B2 Advanced LEP display mode, architectures and methodologies for display compensation Physics 0 Active
US10469301B2 Multiplex of high definition radio stations Electricity 0 Active

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