Inventor · San Diego, CA, US

Roger B. Shaffer

11Patents
5h-index
9Co-inventors
55Inventor score

Filing activity: Mar 2, 2010 → May 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9634878B1 Systems and methods for data transfer using self-synchronizing quadrature amplitude modulation (QAM) Electricity 34 Active
US9927368B1 Self-leveling inspection systems and methods Electricity 20 Active
US9080992B2 Adjustable variable resolution inspection systems and methods Electricity 18 Active
US9571326B2 Method and apparatus for high-speed data transfer employing self-synchronizing quadrature amplitude modulation Electricity 16 Active
US10069667B1 Systems and methods for data transfer using self-synchronizing quadrature amplitude modulation (QAM) Electricity 5 Active
US10027526B2 Method and apparatus for high-speed data transfer employing self-synchronizing quadrature amplitude modulation Electricity 4 Active
US10613034B2 Self-leveling inspection systems and methods Electricity 0 Active
US10841144B1 Systems and methods for data transfer using self-synchronizing quadrature amplitude modulation (QAM) Electricity 0 Active
US12235221B2 Self-leveling inspection systems and methods Electricity 0 Active
US11088890B1 Video inspection systems and methods using self-synchronizing QAM Electricity 0 Active
US11674906B1 Self-leveling inspection systems and methods Electricity 0 Active

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