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Hsinchu, Taiwan

Power Forest Technology Corporation

USPTO Granted Patents = 54

% Expired Patents = 9.3

Forward Citations = 119

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39 inventors (with patents filed for the assignee):

Chia-Hsien Liu (10 out of 10 patents)

Po-Jen Ke (7 out of 7 patents)

Kwan-Jen Chu (7 out of 54 patents)

4. Yang-Tai Tseng (7 out of 8 patents)

5. Chien Lung Li (5 out of 5 patents)

6. Yun-Chi Chiang (4 out of 4 patents)

7. Ju-Lin Chia (4 out of 4 patents)

8. Tso-Min Chen (3 out of 5 patents)

9. Rong-Jie Tu (3 out of 3 patents)

10. Che-Hao Meng (3 out of 3 patents)

11. Kuan-Chun Fang (3 out of 3 patents)

12. Yi-Heng Wu (3 out of 3 patents)

13. Meng Hung Lin (3 out of 3 patents)

14. Yu-Chao Lin (2 out of 55 patents)

15. Chien-Wei Kuan (2 out of 23 patents)

Core Competencies:

Power Conversion

Synchronous Rectification

Feedback Circuit

Flyback Converter

Low Power Consumption

Voltage Conversion

LED Driving Apparatus

Pulse Width Modulation

Power Factor Correction

Over Current Protection

Discharge Circuit

Dynamic Limits

54 patents: Sort by Forward Citations

1. 12739954 - Control circuit for electronic circuit (2026-09-15),

2. 12640663 - Power conversion apparatus for limited power supply protection (2026-05-26),

3. 12537458 - Synchronous rectifier device for power converter (2026-01-27),

4. 12489370 - Low power consumption feedback circuit for power supply device (2025-12-02),

5. 12431784 - Controller for power supply device (2025-09-30),

6. 12413154 - Control circuit for synchronous rectification switch of power converter (2025-09-09),

7. 12413137 - Controller for controlling blocking switch of power converter (2025-09-09),

8. 12413130 - Controller for controlling blocking switch of power converter (2025-09-09),

9. 12206337 - Power conversion device and control circuit with input capacitor discharge function (2025-01-21),

10. 12191759 - Detection circuit for power supply circuit (2025-01-07),

11. 12113434 - Power supply apparatus and discharge method thereof (2024-10-08),

12. 11930573 - Power supply device (2024-03-12),

13. 11916487 - Asymmetric half-bridge converter (2024-02-27),

14. 11742769 - Power conversion apparatus and synchronous rectification controller thereof (2023-08-29),

15. 11489451 - Power conversion apparatus and synchronous rectification controller thereof (2022-11-01),

Power Forest Technology Corporation, based in Hsinchu, Taiwan, specializes in power conversion technology, focusing on innovative solutions for efficient energy management. The company develops advanced systems that incorporate synchronous rectification, feedback circuits, and flyback converters to enhance performance in various applications. Their expertise extends to low power consumption technologies, voltage conversion, and LED driving apparatus, utilizing pulse width modulation techniques to optimize energy use and reliability in electronic devices.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

54 Patents

#91 in Hsinchu

#376 in Taiwan

#13,109 in the World

Hsinchu, Taiwan

Power Forest Technology Corporation

Forward Citations = 119

39 inventors:

Chia-Hsien Liu (10 out of 10 patents)

Po-Jen Ke (7 out of 7 patents)

Kwan-Jen Chu (7 out of 54 patents)

4. Yang-Tai Tseng (7 out of 8 patents)

5. Chien Lung Li (5 out of 5 patents)

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