San Diego, CA, United States of America

John Stephen deGrassie

This inventor holds 3 USPTO granted patents. Top assignee: USA as Represented by Secretary of the Navy. Active years: 2013-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Stephen deGrassie. Retrieved from https://idiyas.com/inventor/john-stephen-degrassie

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


% Patents Active = 66.7

Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2013-2024

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3 patents (USPTO):Explore Patents

Title: Innovator Spotlight: John Stephen deGrassie from San Diego, CA

Introduction: John Stephen deGrassie is a notable inventor based in San Diego, California. With a portfolio of three patents, he has made significant contributions to the field of vehicle motion control and optical broadcasting. His innovations demonstrate a commitment to advancing technology for practical applications.

Latest Patents: DeGrassie's latest patents showcase his expertise and creativity in engineering. His first patent, titled "Vehicle motion controller via off-axis beam measurement," describes a light-guided vehicle equipped with a platform and an optical sensor. This invention is designed to monitor and maintain the vehicle's path based on the intensities of off-axis photons scattered by aerosol particles.

Another significant patent, "System and method for line-of-sight optical broadcasting using beam divergence and an orbiting or airborne corner cube reflector," details a sophisticated system that includes a tracking electromagnetic beam generator, a retro-reflecting device, and a communication mechanism. This invention allows for advanced communication through reflected beams, enhancing the efficiency of optical broadcasting systems.

Career Highlights: John Stephen deGrassie is affiliated with the United States of America, as represented by the Secretary of the Navy. His career has been marked by innovation and a focus on integrating advanced technology into practical solutions that serve public interests.

Collaborations: Throughout his career, DeGrassie has worked alongside talented individuals such as Eric C. Hallenborg and Heidi L. Buck. These collaborations reflect a team-oriented approach in developing groundbreaking technologies that address complex challenges.

Conclusion: John Stephen deGrassie's contributions to innovation in vehicle motion control and optical broadcasting highlight his significant role as an inventor in the technology sector. His achievements are a testament to his dedication and ingenuity, paving the way for future advancements in these fields.

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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