Inventor · Los Altos, CA, US

David Klein

21Patents
10h-index
29Co-inventors
75Inventor score

Filing activity: Jul 11, 2000 → Sep 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8521530B1 System and method for enhancing a monaural audio signal Electricity 30 Active
US6894529B1 Impedance-matched output driver circuits having linear characteristics and enhanced coarse and fine tuning control Electricity 23 Expired
US8744844B2 System and method for adaptive intelligent noise suppression Electricity 21 Active
US8189766B1 System and method for blind subband acoustic echo cancellation postfiltering Electricity 20 Active
US6356102B1 Integrated circuit output buffers having control circuits therein that utilize output signal feedback to control pull-up and pull-down time intervals Electricity 17 Expired
US8849231B1 System and method for adaptive power control Emerging Cross-Sectional Technologies 13 Active
US8355511B2 System and method for envelope-based acoustic echo cancellation Electricity 13 Active
US7508948B2 Reverberation removal Electricity 10 Active
US7123055B1 Impedance-matched output driver circuits having coarse and fine tuning control Electricity 10 Expired
US9119150B1 System and method for adaptive power control Emerging Cross-Sectional Technologies 10 Active
US9536540B2 Speech signal separation and synthesis based on auditory scene analysis and speech modeling Physics 9 Active
US8886525B2 System and method for adaptive intelligent noise suppression Electricity 8 Active
US8315857B2 Systems and methods for audio signal analysis and modification Physics 7 Active
US9633655B1 Voice sensing and keyword analysis Emerging Cross-Sectional Technologies 7 Active
US6930400B1 Grid array microelectronic packages with increased periphery Emerging Cross-Sectional Technologies 1 Expired
US9462552B1 Adaptive power control Emerging Cross-Sectional Technologies 1 Active
US10353495B2 Personalized operation of a mobile device using sensor signatures Physics 1 Active
US10320780B2 Shared secret voice authentication Electricity 1 Active
US11867524B2 Automatic prediction of visitations to specified points of interest Emerging Cross-Sectional Technologies 0 Active
US12233740B2 Machine learning for optimization of power distribution to electric vehicle charging ports Emerging Cross-Sectional Technologies 0 Active
US11987145B2 Fleet electrification management Emerging Cross-Sectional Technologies 0 Active

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