For the Inventor, By the Inventor

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Jersey City, NJ, United States of America

Bel Fuse, Inc.

USPTO Granted Patents = 36

CIPO Patents = 3

EPO Patents = 14

Trademarks = 12

Forward Citations = 575

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36 inventors (with patents filed for the assignee):

Elliot Bernstein (13 out of 16 patents)

John Youngfu Chen (7 out of 60 patents)

Richard D Marowsky (6 out of 18 patents)

4. Guichao Hua (4 out of 23 patents)

5. Yakov Belopolsky (3 out of 81 patents)

6. David Henry Gutter (3 out of 9 patents)

7. Robert Colantuono (3 out of 15 patents)

8. Robert Schilling (3 out of 3 patents)

9. Dennis A Bush (3 out of 3 patents)

10. Steve Contreras (2 out of 2 patents)

11. Kwok Fai Lai (2 out of 2 patents)

12. Kuok Sang Leong (2 out of 2 patents)

13. Yi Jiang (2 out of 2 patents)

14. Wai Shun Leung (2 out of 2 patents)

15. Jason A Cowburn (2 out of 2 patents)

Core Competencies:

Surge Protection

RJ Connectors

Data Transmission

Telecom Circuits

Capacitance Gain

DC/DC Converter

Fuse Block

EMI Suppression

Inductor Assembly

Surface Mount Technology

Power Adapter

Electrical Discharge

36 patents: Sort by Forward Citations

1. 7808751 - Differential electrical surge protection within a LAN magnetics interface circuit (2010-10-05),

2. 7753717 - High speed data plug and method for assembly (2010-07-13),

3. 7717749 - Multiport RJ connector (2010-05-18),

4. 7686650 - High speed modular jack with flexible compensation circuit (2010-03-30),

5. 7568950 - High speed modular jack including multiple contact blocks and method for assembling same (2009-08-04),

6. 7311562 - Preventing damage to RJ jacks from improper plug insertion (2007-12-25),

7. 7125288 - Preventing damage to RJ jacks from improper plug insertion (2006-10-24),

8. 7123117 - LAN magnetic interface circuit (2006-10-17),

9. 7086909 - High performance, high capacitance gain, jack connector for data transmission or the like (2006-08-08),

10. 7048590 - High performance, high capacitance gain, jack connector for data transmission or the like (2006-05-23),

11. 7012817 - Converter with integrated active clamp circuit and bias circuit (2006-03-14),

12. 6980411 - Telecom circuit protection apparatus (2005-12-27),

13. 6964587 - High performance, high capacitance gain, jack connector for data transmission or the like (2005-11-15),

14. 6950305 - Overmolded device with contoured surface (2005-09-27),

15. 6879497 - Multiple output power adapter (2005-04-12),

Bel Fuse, Inc. is a leading provider of electronic components and connectivity solutions, specializing in power management, signal integrity, and data communication technologies. The company develops a diverse range of products including magnetic components, circuit protection devices, and power supplies, serving various industries such as telecommunications, automotive, and industrial applications. Headquartered in Jersey City, NJ, Bel Fuse is committed to innovation and quality, ensuring reliable performance in its offerings across global markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

36 Patents

#5 in Jersey City, NJ

#386 in New Jersey

#9,495 in US

#18,697 in the World

Jersey City, NJ, United States of America

Bel Fuse, Inc.

Forward Citations = 575

36 inventors:

Elliot Bernstein (13 out of 16 patents)

John Youngfu Chen (7 out of 60 patents)

Richard D Marowsky (6 out of 18 patents)

4. Guichao Hua (4 out of 23 patents)

5. Yakov Belopolsky (3 out of 81 patents)

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