Forward Citations = 105

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3 inventors (with patents filed for the assignee):

Michael L Petroff (3 out of 6 patents)

Roger N Walton (1 out of 1 patent)

John A King (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 6038323 - Stereophonic image enhancement system for use in automobiles (2000-03-14),

2. 5970153 - Stereo spatial enhancement system (1999-10-19),

3. 5872851 - Dynamic stereophonic enchancement signal processing system (1999-02-16),

4. 5602930 - Loudspeaker (1997-02-11),

5. 4475014 - Acoustical transducer (1984-10-02),

Company Overview

Harman Motive Inc. is a leading provider of performance tuning solutions for Subaru vehicles. With a focus on quality and customer satisfaction, we offer a wide range of products and services to help enthusiasts get the most out of their vehicles. Our team of experts is dedicated to delivering top-notch performance upgrades and tuning services to meet our customers' needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2 in Martinsville, IN

#737 in Indiana

#51,620 in US

Martinsville, IN, United States of America

Harman Motive Inc.

Forward Citations = 105

3 inventors:

Michael L Petroff (3 out of 6 patents)

Roger N Walton (1 out of 1 patent)

John A King (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harman Motive Inc.. Retrieved from https://idiyas.com/company/harman-motive

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]