% Expired Patents = 36.4

Forward Citations = 273

Loading Chart...

3 inventors (with patents filed for the assignee):

Trung Quoc Phung (11 out of 19 patents)

Steven Krampf (11 out of 11 patents)

Evan B Ross (11 out of 11 patents)

11 patents: Sort by Forward Citations

1. 11126397 - Music audio control and distribution system in a location (2021-09-21),

2. 10310801 - Media entertainment system with fail-safe alarm modes (2019-06-04),

3. 10114608 - Multi-mode media device operable in first and second modes, selectively (2018-10-30),

4. 9225773 - Entertainment system with sourceless selection of networked and non-networked media content (2015-12-29),

5. 8843092 - Method and apparatus for accessing media content via metadata (2014-09-23),

6. 8725063 - Multi-mode media device using metadata to access media content (2014-05-13),

7. 8655303 - Entertainment system with sourceless selection including playlists (2014-02-18),

8. 8355690 - Electrical and mechanical connector adaptor system for media devices (2013-01-15),

9. 8195114 - Entertainment system with bandless content selection (2012-06-05),

10. 8090309 - Entertainment system with unified content selection (2012-01-03),

11. 7885622 - Entertainment system with bandless tuning (2011-02-08),

Company Overview

Chestnut Hill Sound, Inc. is a technology company based in Waban, Massachusetts, specializing in advanced audio solutions. The organization focuses on the development and manufacturing of high-fidelity sound systems and audio processing technologies, catering to both consumer and professional markets. With a commitment to innovation, Chestnut Hill Sound integrates cutting-edge research in acoustics and signal processing to enhance audio experiences across various applications, including home entertainment and commercial audio systems.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#1 in Waban, MA

#1,661 in Massachusetts

#27,514 in US

#51,761 in the World

Waban, MA, United States of America

Chestnut Hill Sound, Inc.

Forward Citations = 273

3 inventors:

Trung Quoc Phung (11 out of 19 patents)

Steven Krampf (11 out of 11 patents)

Evan B Ross (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chestnut Hill Sound, Inc.. Retrieved from https://idiyas.com/company/chestnut-hill-sound

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]