Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#374 in Portland, OR
#1,115 in Oregon
#94,953 in US
Hearing Evaluation & Acoustic Research, Inc.
Forward Citations = 35
3 inventors:
Portland, OR, United States of America
Hearing Evaluation & Acoustic Research, Inc.
Calculating rank
Forward Citations = 35
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3 inventors (with patents filed for the assignee):
John M Epley (2 out of 11 patents)
Austin F Leach (1 out of 1 patent)
Arnold Frisch (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hearing Evaluation & Acoustic Research, Inc.. Retrieved from https://idiyas.com/company/hearing-evaluation-and-acoustic-research
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]
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]
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]