Redondo Beach, CA, United States of America

John G Hayes

This inventor holds 2 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John G Hayes. Retrieved from https://idiyas.com/inventor/john-g-hayes

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 76(Granted Patents)


Company Filing History:


Years Active: 2000

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2 patents (USPTO):Explore Patents

Title: John G. Hayes: Innovator in Electric Vehicle Charging Technology

Introduction

John G. Hayes is a notable inventor based in Redondo Beach, California. He has made significant contributions to the field of electric vehicle charging technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and safety of charging systems for electric vehicles.

Latest Patents

One of Hayes' latest patents is the "Power-factor-corrected single-stage inductive charger." This invention comprises a power-factor-corrected, single-stage inductive charger that can be used to charge loads such as batteries of electric vehicles. The system is compatible with the Society of Automotive Engineers inductive charging standard SAE J-1773. It features high efficiency through fully soft switching over the line voltage and power range. The charger utilizes a series-parallel resonant converter to provide voltage gain for power factor correction across the full AC line cycle.

Another significant patent is the "Capacitive AC isolation apparatus for electric vehicle battery charging." This apparatus includes an AC isolation capacitor that is positioned between unexposed and exposed portions of the chassis of a charging system or electric vehicle. It provides high impedance at 50/60 Hertz, effectively isolating the chassis grounds of the electric vehicle and the charging system.

Career Highlights

John G. Hayes is currently associated with Gm Global Technology Operations LLC, where he continues to innovate in the field of electric vehicle technology. His work has been instrumental in advancing the efficiency and safety of electric vehicle charging systems.

Collaborations

Hayes has collaborated with notable coworkers, including Michael G. Egan and Sung Chung, contributing to various projects and innovations in the electric vehicle sector.

Conclusion

John G. Hayes is a prominent figure in the realm of electric vehicle charging technology, with a focus on creating efficient and safe charging solutions. His patents reflect his commitment to innovation and advancement in this critical 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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