% Expired Patents = 100.0

Trademarks = 1

Forward Citations = 33

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4 inventors (with patents filed for the assignee):

Michael Joseph Stern (2 out of 8 patents)

Jack Goldberg (2 out of 15 patents)

Randy L Houk (2 out of 5 patents)

4. Luk Ching Chug (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8270658 - Position sensing apparatus and method for active headworn device (2012-09-18),

2. 7903833 - Headworn listening device and method (2011-03-08),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#56 in Thousand Oaks, CA

#21,008 in California

#94,841 in US

Thousand Oaks, CA, United States of America

Hearing Enhancement Group

Forward Citations = 33

4 inventors:

Michael Joseph Stern (2 out of 8 patents)

Jack Goldberg (2 out of 15 patents)

Randy L Houk (2 out of 5 patents)

4. Luk Ching Chug (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hearing Enhancement Group. Retrieved from https://idiyas.com/company/hearing-enhancement-group

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]