Inventor · Downingtown, PA, US

David Andreas

10Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: May 12, 1989 → Nov 26, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6928501B2 Serial device daisy chaining method and apparatus Physics 131 Expired
US6944697B2 Serial device daisy chaining method and apparatus Electricity 109 Expired
US6816933B1 Serial device daisy chaining method and apparatus Electricity 100 Expired
US5517436A Digital signal processor for audio applications Physics 53 Expired
US5027306A Decimation filter as for a sigma-delta analog-to-digital converter Electricity 50 Expired
US8384031B2 Apparatus with optical functionality and associated methods Physics 5 Active
US6891935B1 Direct access arrangement (DAA) circuit having automatic interface identification Electricity 2 Expired
US8405030B2 Apparatus with optical functionality and associated methods Physics 1 Active
US9429468B2 Apparatus with sensor functionality and power management and associated methods Physics 1 Active
US8912496B2 Apparatus with optical functionality and power management and associated methods Physics 0 Active

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