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Taoyuan, Taiwan

Asian Power Devices Inc.

USPTO Granted Patents = 37

Trademarks = 1

Forward Citations = 178

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22 inventors (with patents filed for the assignee):

Tsung-Liang Hung (24 out of 24 patents)

Yeu-Torng Yau (14 out of 14 patents)

Yu-Chi Lai (3 out of 3 patents)

4. Chih-Yuan Hsu (2 out of 6 patents)

5. Chuei-Hang Ciou (2 out of 2 patents)

6. Chui-Hsing Chiu (2 out of 2 patents)

7. Ganghong Liu (1 out of 1 patent)

8. Wei Tang (1 out of 2 patents)

9. Kai-Yuan Shi (1 out of 1 patent)

10. Hai-Ping Ding (1 out of 1 patent)

11. Chengxing Cai (1 out of 1 patent)

12. Weiting Deng (1 out of 1 patent)

13. Chih-Lung Yang (1 out of 1 patent)

14. Ya-Lun Ouyang (1 out of 1 patent)

15. Yu-Ci Lai (1 out of 1 patent)

37 patents: Sort by Forward Citations

1. 12494709 - Multi-input power system (2025-12-09),

2. 12463531 - Multi-input power system with inrush current suppression function (2025-11-04),

3. 12323048 - Common-mode noise cancellation circuit and switching power converter for common-mode noise cancellation (2025-06-03),

4. 12088194 - Hybrid-mode power factor corrector and method of operating the same (2024-09-10),

5. 11863075 - Multi-phase boost converting apparatus with passive lossless snubber (2024-01-02),

6. 11843319 - LLC resonant converting apparatus (2023-12-12),

7. 11750105 - Full-bridge phase-shift converter with voltage clamping (2023-09-05),

8. 11705801 - Power supply with feedback adjustment based on input voltage and method of operating the same (2023-07-18),

9. 11588510 - Network communication power supply with digital signal isolation (2023-02-21),

10. 11552562 - Boost converting apparatus with passive lossless snubber (2023-01-10),

11. 11532980 - Conversion apparatus with overload control and overload control method for the same (2022-12-20),

12. 11431248 - Hysteresis voltage detection circuit (2022-08-30),

13. 11177740 - Power conversion apparatus with oscillation reduction control, oscillation reduction control module, and method of operating the same (2021-11-16),

14. 11165351 - Conversion apparatus with oscillation reduction control and method of operating the same (2021-11-02),

15. 11095207 - Power factor correction circuit with burst setting and method of operating the same (2021-08-17),

ASIAN POWER DEVICES INC. (APD) is a leading provider of power supply solutions, focusing on the design, development, and manufacturing of a wide range of power adapters, chargers, and related accessories. With over 40 years of experience, APD has established itself as a trusted partner for major original equipment manufacturers (OEMs) and continued to expand its global presence. APD's commitment to innovation, quality, and customer satisfaction has earned them recognition in the industry and resulted in numerous successful collaborations with renowned brands.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

37 Patents

#43 in Taoyuan

#498 in Taiwan

#17,711 in the World

Taoyuan, Taiwan

Asian Power Devices Inc.

Forward Citations = 178

22 inventors:

Tsung-Liang Hung (24 out of 24 patents)

Yeu-Torng Yau (14 out of 14 patents)

Yu-Chi Lai (3 out of 3 patents)

4. Chih-Yuan Hsu (2 out of 6 patents)

5. Chuei-Hang Ciou (2 out of 2 patents)

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