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David H. Friedman
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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Voice command recognition system
Patent number
12,334,065
Issue date
Jun 17, 2025
ROKU, INC.
Ralph Birt
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic classification of audio content as either primarily speec...
Patent number
12,300,259
Issue date
May 13, 2025
ROKU, INC.
David Henry Friedman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Method and system for measuring the integrity of a power converter
Patent number
9,880,228
Issue date
Jan 30, 2018
InfiniRel Corporation
Norbert H. Wank
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Automatic Classification of Audio Content as Either Primarily Speec...
Publication number
20230290366
Publication date
Sep 14, 2023
Roku, Inc.
David Henry Friedman
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
VOICE COMMAND RECOGNITION SYSTEM
Publication number
20220358915
Publication date
Nov 10, 2022
Roku, Inc.
Ralph BIRT
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING THE INTEGRITY OF A POWER CONVERTER
Publication number
20130282313
Publication date
Oct 24, 2013
infiniRel Corporation
Norbert H. Wank
G01 - MEASURING TESTING