For the Inventor, By the Inventor

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Chicago, IL, United States of America

Littelfuse, Inc.

USPTO Granted Patents = 503

CIPO Patents = 3

EPO Patents = 114

Trademarks = 67

Forward Citations = 3,319

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439 inventors (with patents filed for the assignee):

Jianhua Chen (29 out of 40 patents)

Stephen J Whitney (24 out of 27 patents)

Seibang Oh (24 out of 27 patents)

4. Julio Cesar Urrea (24 out of 28 patents)

5. Martin G Pineda (22 out of 25 patents)

6. Edwin James Harris (21 out of 24 patents)

7. James J Beckert (17 out of 20 patents)

8. Gary M Bold (16 out of 21 patents)

9. Yuriy Borisovich Matus (16 out of 23 patents)

10. Albert V Enriquez (15 out of 15 patents)

11. Michael Schlaak (14 out of 14 patents)

12. Derek Lasini (12 out of 13 patents)

13. Boris Golubovic (12 out of 27 patents)

14. Robert J Fleming (12 out of 60 patents)

15. Brian Johnson (11 out of 13 patents)

Core Competencies:

Wireless Charging

Thermal Protection

Power Semiconductor Package

Overcurrent Protection

Modular Power Distribution

High Breaking Capacity Fuses

Thin Film Coating

Self-Limiting Heater

Metal Oxide Varistor

Solid State Relay

Automobile Sensor Module

Fuse Assembly

503 patents: Sort by Forward Citations

1. 12500151 - Solderless and pressure contact connection (2025-12-16),

2. 12500057 - Unsealed single fuse holder (2025-12-16),

3. 12489303 - CDOT device for wireless charging (2025-12-02),

4. 12462957 - Thermal protection device to withstand high voltage (2025-11-04),

5. 12456856 - Overcurrent protection of power semiconductor packages using integrated positive temperature indicator (2025-10-28),

6. 12456674 - Leadframeless electrically isolated power semiconductor package (2025-10-28),

7. 12451383 - Corner relief undercut to reduce die damage (2025-10-21),

8. 12438343 - Modular power distribution unit (2025-10-07),

9. 12387898 - Jump stud fuse module (2025-08-12),

10. 12370916 - Adaptive pre-charge control for electric vehicle DC link capacitor (2025-07-29),

11. 12362120 - High breaking capacity fuses with metal reinforcements (2025-07-15),

12. 12334292 - Thin film coating packaging for device having meltable and wetting links (2025-06-17),

13. 12308338 - Power substrate assembly with reduced warpage (2025-05-20),

14. 12308194 - Active/passive fuse module (2025-05-20),

15. 12278075 - Fuse with arc suppressing mastic material (2025-04-14),

Littelfuse is a global manufacturer of circuit protection products for the electronics, automotive, and industrial markets. With over 90 years of experience, the company offers a wide range of innovative solutions such as fuses, circuit breakers, semiconductor devices, and electrical switches. Littelfuse focuses on providing reliable, safe, and efficient protection for electronic systems and electrical equipment across various industries.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

503 Patents

#17 in Chicago, IL

#54 in Illinois

#935 in US

#1,876 in the World

Chicago, IL, United States of America

Littelfuse, Inc.

Forward Citations = 3,319

439 inventors:

Jianhua Chen (29 out of 40 patents)

Stephen J Whitney (24 out of 27 patents)

Seibang Oh (24 out of 27 patents)

4. Julio Cesar Urrea (24 out of 28 patents)

5. Martin G Pineda (22 out of 25 patents)

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