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Leadtrend Technology Corporation

USPTO Granted Patents = 189

% Expired Patents = 17.5

Forward Citations = 604

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117 inventors (with patents filed for the assignee):

Ming-Chang Tsou (30 out of 30 patents)

Chung-Wei Lin (25 out of 42 patents)

Ching-Tsan Lee (20 out of 26 patents)

4. Yi-Shan Chu (17 out of 19 patents)

5. Yi-Lun Shen (16 out of 22 patents)

6. Ren-Yi Chen (14 out of 19 patents)

7. Ming-Nan Chuang (11 out of 12 patents)

8. Meng-Jen Tsai (10 out of 10 patents)

9. Wen-Chung Yeh (10 out of 10 patents)

10. Da-Chun Wei (9 out of 9 patents)

11. Kuo-Chien Huang (9 out of 9 patents)

12. Hung-Ching Lee (9 out of 15 patents)

13. Hsin-Hung Lu (8 out of 8 patents)

14. Kuan-Hsien Chou (8 out of 8 patents)

15. Meng Jen Tsai (8 out of 8 patents)

Core Competencies:

Power Converter

Synchronous Rectification

Control Method

High-Voltage Devices

Flyback Converter

Power Management

Output Voltage Ripple

Dimming Controllers

Electrostatic Discharge

MOS Transistors

Voltage Compensation

Semiconductor Devices

189 patents: Sort by Forward Citations

1. 12719377 - LLC resonant converter and control method thereof (2026-08-25),

2. 12695393 - Secondary-side controller applied to a flyback power converter and operational method (2026-07-28),

3. 12620906 - Synchronous rectification controller and control method thereof (2026-05-05),

4. 12598802 - High-voltage tolerant device and detection circuit (2026-04-07),

5. 12574023 - Combo circuit with electrostatic discharge protection (2026-03-10),

6. 12519399 - Primary-side controller applied to a power converter and operational method (2026-01-06),

7. 12483146 - Primary-controller with voltage compensation function and operational method thereof (2025-11-25),

8. 12476533 - Power supplies with multiple output ports, and control methods thereof (2025-11-18),

9. 12431808 - Control methods for interleaved power converter (2025-09-30),

10. 12418241 - Primary controller applied to a primary side of a power converter and operation method thereof (2025-09-16),

11. 12308747 - Control method and power controller for flyback power converter (2025-05-20),

12. 12224669 - Flyback power converter and secondary-side control method thereof (2025-02-11),

13. 12206322 - Control method and power controller for power factor correction (2025-01-21),

14. 12149157 - Controller applied to a power converter and operational method thereof (2024-11-19),

15. 12126268 - Synchronous rectifiers and charging methods used therein (2024-10-22),

Leadtrend Technology Corporation, based in Zhubei, Taiwan, specializes in power converter technology, focusing on the development and manufacturing of advanced power management solutions. The company is recognized for its expertise in synchronous rectification, control methods, and high-voltage devices, catering to a variety of applications. Leadtrend's innovations include flyback converters and dimming controllers, aimed at optimizing output voltage ripple and enhancing overall energy efficiency in electronic systems.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

189 Patents

#3 in Zhubei

#143 in Taiwan

#4,449 in the World

Leadtrend Technology Corporation

Forward Citations = 604

117 inventors:

Ming-Chang Tsou (30 out of 30 patents)

Chung-Wei Lin (25 out of 42 patents)

Ching-Tsan Lee (20 out of 26 patents)

4. Yi-Shan Chu (17 out of 19 patents)

5. Yi-Lun Shen (16 out of 22 patents)

Please report any incorrect information to [email protected]

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