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Buena Park, CA, United States of America

Leach International Corporation

USPTO Granted Patents = 17

% Expired Patents = 35.3

EPO Patents = 5

Trademarks = 3

Forward Citations = 54

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16 inventors (with patents filed for the assignee):

Farshid Tofigh (9 out of 11 patents)

Imtiaz Ahmad Khan (8 out of 8 patents)

Otmar Kruppa (6 out of 7 patents)

4. Anhtai Le Tran (5 out of 5 patents)

5. Malcolm J Critchley (4 out of 4 patents)

6. Iraj Ghahramani (3 out of 3 patents)

7. David Lawton (3 out of 3 patents)

8. Kent Policky (3 out of 3 patents)

9. Kyle Richard Cantu (2 out of 2 patents)

10. Chad Uyehara (2 out of 2 patents)

11. Kevin Chao (1 out of 1 patent)

12. Yen-Kuei Tsao (1 out of 1 patent)

13. Jesse Thomas Chen (1 out of 1 patent)

14. Robert C Mallon (1 out of 1 patent)

15. Tony Hana (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 12700730 - Power distribution system and method of using the same (2026-08-04),

2. 11722130 - System and method for distinguishing short-circuit events in high inrush current systems (2023-08-08),

3. 11381079 - System for protecting electromechanical switchgears and protection circuits in high-voltage applications (2022-07-05),

4. 11069500 - System and method for preventing chatter on contacts (2021-07-20),

5. 9954351 - [object Object] (2018-04-24),

6. 9685797 - Systems and methods for balancing multi-cell batteries with a transformer and a rectifier circuit (2017-06-20),

7. 8988912 - System and method for emulating an ideal diode in a power control device (2015-03-24),

8. 8412966 - Voltage sensing circuitry for solid state power controllers (2013-04-02),

9. 8190934 - Solid state power controllers including current sensing circuitry is configured to bias a general signal to a predetermined level in order to substantially eliminate the offset error in an amplifier and an A/D converter (2012-05-29),

10. 8164865 - System and method for quickly discharging a DC relay (2012-04-24),

11. 8116059 - System and method for quickly discharging an AC relay (2012-02-14),

12. 8094427 - System for precisely controlling the operational characteristics of a relay (2012-01-10),

13. 7995320 - System and method for protecting a coil structure in a controlled switch (2011-08-09),

14. 7760482 - Power controller with fusible link (2010-07-20),

15. 7747879 - Power distribution system using solid state power controllers (2010-06-29),

Leach International Corporation, based in Buena Park, California, specializes in the design and manufacturing of high-reliability electrical components and systems. The company focuses on providing innovative solutions for aerospace, defense, and industrial applications, emphasizing safety and performance in critical environments. With a commitment to advanced engineering and quality assurance, Leach International plays a vital role in supporting the technological needs of various sectors, ensuring robust and dependable electrical systems.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#8 in Buena Park, CA

#4,508 in California

#18,880 in US

#35,886 in the World

Buena Park, CA, United States of America

Leach International Corporation

Forward Citations = 54

16 inventors:

Farshid Tofigh (9 out of 11 patents)

Imtiaz Ahmad Khan (8 out of 8 patents)

Otmar Kruppa (6 out of 7 patents)

4. Anhtai Le Tran (5 out of 5 patents)

5. Malcolm J Critchley (4 out of 4 patents)

Please report any incorrect information to [email protected]

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