Growing community of inventors

Santa Barbara, CA, United States of America

Charles Freedman

Average Co-Inventor Count = 3.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2

Charles FreedmanSein Woo (3 patents)Charles FreedmanRyan Richard Myers (3 patents)Charles FreedmanCharles Freedman (3 patents)Sein WooSein Woo (24 patents)Ryan Richard MyersRyan Richard Myers (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sonos, Inc. (3 from 1,945 patents)


3 patents:

1. 12212945 - Network microphone devices with automatic do not disturb actuation capabilities

2. 11451908 - Network microphone devices with automatic do not disturb actuation capabilities

3. 10880650 - Network microphone devices with automatic do not disturb actuation capabilities

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as of
12/13/2025
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