San Marino, CA, United States of America

Robert Chen

This inventor holds 53 USPTO granted patents and 13 published patent applications and 5 EPO patents, primarily in Personal Mobility Vehicles. Top assignee: Razor USA LLC. Active years: 2003-2026.

USPTO Granted Patents = 53 (Patent Applications = 13)

% Patents Active = 100.0

EPO Patents = 5 (Patent Applications = 6)

Average Co-Inventor Count = 2.0

ph-index = 23

Forward Citations = 1,257(Granted Patents)

Forward Citations (Not Self Cited) = 988(Dec 10, 2025)

Location History:

Chang Hua Hsien, TW (2003 - 2004)
Cerritos, CA (US) (2003 - 2017)
San Marino, CA (US) (2008 - 2024)

Company Filing History:

53 out of 271

Razor USA LLC

patents

Years Active: 2003-2026

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Areas of Expertise:

Electric Scooter

Personal Mobility Vehicle

Braking Device

Hub Motor

Powered Vehicle

Scooter Steering Lock

Self-Balancing Board

Tricycle

Mid-Drive Unit

Electric Balance Vehicle

Scooter with Swivel Wheel

Caster Board

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. D1122358 - Electric scooter (2026-04-14),

2. 12545352 - Powered personal mobility vehicle with rotating wheels (2026-02-10),

3. D1108317 - Tricycle with spark generating device (2026-01-06),

4. 12434127 - Convertible caster board (2025-10-07),

5. 12428102 - Motorized mid-drive unit (2025-09-30),

6. 12403974 - Electric scooter (2025-09-02),

7. D1066512 - Electric scooter (2025-03-11),

8. 12240559 - Hub motor arrangements, systems, and methods (2025-03-04),

9. 12214841 - Electric balance vehicles (2025-02-04),

10. 12187376 - Powered personal mobility vehicle with rotating wheels (2025-01-07),

11. 12084144 - Scooter with rear swivel wheel (2024-09-10),

12. 12071190 - Scooter steering lock (2024-08-27),

13. 12054221 - Braking device for a personal mobility vehicle (2024-08-06),

14. D1031525 - Bike (2024-06-18),

15. D1029949 - Electric scooter (2024-06-04),

Title: The Innovative Journey of Robert Chen

Introduction: Robert Chen, a visionary inventor based in San Marino, CA, has made significant contributions to the field of technology with his groundbreaking innovations.

Latest Patents: Robert Chen's latest patents include a cutting-edge virtual reality device that revolutionizes the gaming industry and a sustainable energy solution that aims to reduce carbon emissions.

Career Highlights: With a career spanning over two decades, Robert Chen has established himself as a leading figure in the tech industry, holding multiple patents and receiving recognition for his innovative work.

Collaborations: Throughout his career, Robert Chen has collaborated with top research institutions and leading tech companies to bring his inventions to life, showcasing his ability to work effectively in multidisciplinary teams.

Conclusion: Robert Chen's passion for innovation and dedication to pushing the boundaries of technology continue to inspire the next generation of inventors, solidifying his legacy as a true pioneer in the field.