Inventor · Campbell Hall, NY, US

David Graef

23Patents
10h-index
11Co-inventors
68Inventor score

Filing activity: Oct 9, 2003 → Nov 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7219037B2 High bandwidth oscilloscope Physics 37 Expired
US7058548B2 High bandwidth real-time oscilloscope Electricity 35 Expired
US7519513B2 High bandwidth real time oscilloscope Electricity 26 Active
US7373281B2 High bandwidth oscilloscope Physics 25 Active
US7139684B2 High bandwidth real time oscilloscope Electricity 23 Expired
US7222055B2 High bandwidth real-time oscilloscope Electricity 21 Expired
US7653514B2 High bandwidth oscilloscope for digitizing an analog signal having a bandwidth greater than the bandwidth of digitizing components of the oscilloscope Physics 18 Active
US8073656B2 High bandwidth oscilloscope for digitizing an analog signal having a bandwidth greater than the bandwidth of digitizing components of the oscilloscope Physics 17 Active
USD504341S1 Measurement instrument General 12 Expired
USD501414S1 Measurement instrument General 11 Expired
US8583390B2 High bandwidth oscilloscope for digitizing an analog signal having a bandwidth greater than the bandwidth of digitizing components of the oscilloscope Physics 6 Active
US9325342B2 High bandwidth oscilloscope Physics 6 Active
US8386208B2 Method and apparatus for trigger scanning Physics 4 Active
US9660661B2 High bandwidth oscilloscope Physics 3 Active
USD500693S1 Measurement instrument General 3 Expired
USD504078S1 Measurement instrument General 3 Expired
US10333540B2 High bandwidth oscilloscope Physics 2 Active
US10135456B2 High bandwidth oscilloscope Physics 2 Active
US10534019B2 Variable resolution oscilloscope Physics 1 Active
US10659071B2 High bandwidth oscilloscope Physics 1 Active
US8190392B2 Method and apparatus for multiple trigger path triggering Physics 1 Active
US8532953B2 Method and apparatus for multiple trigger path triggering Physics 0 Active
US10725070B2 Variable resolution oscilloscope Physics 0 Active

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