San Francisco, CA, United States of America

John C Stewart

This inventor holds 2 USPTO granted patents. Top assignee: Apple Inc.. Active years: 2018-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John C Stewart. Retrieved from https://idiyas.com/inventor/john-c-stewart-ik8n0m02

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 2018-2019

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2 patents (USPTO):Explore Patents

Title: Innovations by John C. Stewart

Introduction

John C. Stewart is a notable inventor based in San Francisco, CA. He has made significant contributions to the field of audio technology, holding 2 patents that showcase his innovative approach to sound presentation.

Latest Patents

One of his latest patents is titled "Active Reverberation Augmentation." This method utilizes a loudspeaker array housed in a cabinet to present audio content effectively to listeners in a room. The process involves receiving an audio channel that includes the audio content and the acoustical characteristics of the room. The method produces a first beamformer input signal from the audio channel, along with second and third beamformer input signals that are decorrelated versions of the audio channel. These signals are adjusted according to the room's acoustical characteristics. The generated driver signals from these inputs drive the loudspeaker array to produce a main beam, a first ambient beam, and a second ambient beam, enhancing the listening experience.

Career Highlights

John C. Stewart is currently employed at Apple Inc., where he continues to innovate in audio technology. His work has contributed to advancements in how sound is experienced in various environments.

Collaborations

He has collaborated with notable coworkers, including Simon K. Porter and Sylvain J. Choisel, who share his passion for innovation in technology.

Conclusion

John C. Stewart's contributions to audio technology through his patents reflect his commitment to enhancing sound presentation. His work at Apple Inc. and collaborations with other innovators further underscore his impact in the field.

Profile summary based on public USPTO records.
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]
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