Inventor · San Jose, CA, US

Philip Ryan Hilmes

55Patents
19h-index
40Co-inventors
84Inventor score

Filing activity: Feb 5, 2002 → Oct 11, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9659555B1 Multichannel acoustic echo cancellation Electricity 201 Active
US9653060B1 Hybrid reference signal for acoustic echo cancellation Physics 200 Active
US9747899B2 Detecting self-generated wake expressions Physics 199 Active
US9820036B1 Speech processing of reflected sound Electricity 192 Active
US9747920B2 Adaptive beamforming to create reference channels Electricity 192 Active
US9319782B1 Distributed speaker synchronization Electricity 123 Active
US10304475B1 Trigger word based beam selection Electricity 108 Active
US10622009B1 Methods for detecting double-talk Electricity 106 Active
US10147441B1 Voice controlled system Electricity 64 Active
US9966059B1 Reconfigurale fixed beam former using given microphone array Electricity 47 Active
US9997151B1 Multichannel acoustic echo cancellation for wireless applications Physics 36 Active
US10959018B1 Method for autonomous loudspeaker room adaptation Electricity 35 Active
US7173981B1 Dual layer signal processing in a layered modulation digital signal system Electricity 32 Expired
US10863270B1 Beamforming for a wearable computer Electricity 30 Active
US9432769B1 Method and system for beam selection in microphone array beamformers Electricity 29 Active
US9432768B1 Beam forming for a wearable computer Electricity 27 Active
US9940949B1 Dynamic adjustment of expression detection criteria Electricity 22 Active
US10522167B1 Multichannel noise cancellation using deep neural network masking Physics 22 Active
US9818425B1 Parallel output paths for acoustic echo cancellation Physics 21 Active
US9336767B1 Detecting device proximities Physics 19 Active
US10777214B1 Method for efficient autonomous loudspeaker room adaptation Electricity 19 Active
US7245671B1 Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers Electricity 19 Expired
US7826626B2 Cross-over frequency selection and optimization of response around cross-over Electricity 14 Active
US7426246B2 Dual layer signal processing in a layered modulation digital signal system Electricity 11 Active
US10553236B1 Multichannel noise cancellation using frequency domain spectrum masking Physics 11 Active

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