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Placentia, CA, United States of America

Stephen E Hannah

USPTO Granted Patents = 62 (Patent Applications = 4)

CIPO Patents = 11 (Patent Applications = 5)

EPO Patents = 11 (Patent Applications = 16)

Average Co-Inventor Count = 3.0

ph-index = 21

Forward Citations = 1,766(Granted Patents)

Forward Citations (Not Self Cited) = 1,165(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Gatekeeper Systems, Inc.

Ge Medical Systems Information Technologies Gmbh

Years Active: 2003-2025

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Areas of Expertise:

Shopping Basket Monitoring

Computer Vision

Machine Learning

Wheeled Carts

Navigation Systems

Anti-Theft Systems

Cart Monitoring

Power Generation Systems

Cart Tracking

Vehicle Control

Item Classification

Solar Powered Transmitters

62 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12482334 - Shopping basket monitoring using computer vision (2025-11-25),

2. 12131647 - Estimating motion of wheeled carts (2024-10-29),

3. 12106644 - Shopping basket monitoring using computer vision and machine learning (2024-10-01),

4. 12033481 - Shopping basket monitoring using computer vision and machine learning (2024-07-09),

5. 11990009 - Shopping basket monitoring using computer vision (2024-05-21),

6. 11981365 - System for monitoring and controlling shopping cart usage (2024-05-14),

7. 11718336 - Navigation systems and methods for wheeled objects (2023-08-08),

8. 11414117 - Anti-theft system that uses shopping cart location and vibration data (2022-08-16),

9. 11358621 - System for monitoring and controlling shopping cart usage (2022-06-14),

10. 11299189 - Motorized cart retriever for monitoring cart status (2022-04-12),

11. 11230313 - System for monitoring and controlling shopping cart usage (2022-01-25),

12. 11208134 - Monitoring system capable of classifying items added to a shopping cart (2021-12-28),

13. 11203370 - Shopping cart monitoring using computer vision (2021-12-21),

14. 11183070 - Estimating motion of wheeled carts (2021-11-23),

15. 10858024 - Navigation systems for wheeled carts (2020-12-08),

Title: The Inventor Stephen E. Hannah: Pioneering Innovations in Placentia

Introduction: Stephen E. Hannah is a distinguished inventor based in Placentia, California, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Stephen E. Hannah holds several patents in the areas of technology and engineering, with his most recent inventions focusing on sustainable energy solutions and advanced robotics.

Career Highlights: Throughout his illustrious career, Stephen E. Hannah has been recognized for his exceptional problem-solving skills and creative thinking, leading to the development of cutting-edge technologies that have revolutionized industries.

Collaborations: Stephen E. Hannah has collaborated with leading research institutions and tech companies to further enhance his inventions, showcasing his ability to work effectively in multidisciplinary teams.

Conclusion: Stephen E. Hannah's passion for innovation and relentless pursuit of excellence continue to inspire the next generation of inventors, solidifying his legacy as a visionary in the world of technology.

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