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Taoyuan, Taiwan

Asian Power Devices Inc.

USPTO Granted Patents = 39

% Expired Patents = 20.5

Trademarks = 1

Forward Citations = 184

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22 inventors (with patents filed for the assignee):

Tsung-Liang Hung (26 out of 26 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)

Core Competencies:

Power Conversion

Noise Cancellation

Boost Converting

Power Factor Correction

Resonant Converter

LED Driving

Digital Signal Isolation

Active Damping

EMI Suppression

Charger Technology

Voltage Regulation

Overvoltage Protection

39 patents: Sort by Forward Citations

1. 12614974 - Multi-input power system configured to receive at least two input power sources (2026-04-28),

2. 12549095 - Common-mode noise cancellation circuit and switching power converter with passive common-mode noise cancellation function (2026-02-10),

3. 12494709 - Multi-input power system (2025-12-09),

4. 12463531 - Multi-input power system with inrush current suppression function (2025-11-04),

5. 12323048 - Common-mode noise cancellation circuit and switching power converter for common-mode noise cancellation (2025-06-03),

6. 12088194 - Hybrid-mode power factor corrector and method of operating the same (2024-09-10),

7. 11863075 - Multi-phase boost converting apparatus with passive lossless snubber (2024-01-02),

8. 11843319 - LLC resonant converting apparatus (2023-12-12),

9. 11750105 - Full-bridge phase-shift converter with voltage clamping (2023-09-05),

10. 11705801 - Power supply with feedback adjustment based on input voltage and method of operating the same (2023-07-18),

11. 11588510 - Network communication power supply with digital signal isolation (2023-02-21),

12. 11552562 - Boost converting apparatus with passive lossless snubber (2023-01-10),

13. 11532980 - Conversion apparatus with overload control and overload control method for the same (2022-12-20),

14. 11431248 - Hysteresis voltage detection circuit (2022-08-30),

15. 11177740 - Power conversion apparatus with oscillation reduction control, oscillation reduction control module, and method of operating the same (2021-11-16),

Company Overview

Asian Power Devices Inc. is a prominent manufacturer specializing in power management solutions, particularly focusing on discrete semiconductor devices. The company is known for its expertise in developing high-performance components that cater to various industries, including consumer electronics, automotive, and industrial applications. With a strong emphasis on innovation, Asian Power Devices leverages advanced technology to enhance energy efficiency and reliability in its products, serving a global market from its headquarters in Taoyuan, Taiwan.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

39 Patents

#47 in Taoyuan

#492 in Taiwan

#17,448 in the World

Taoyuan, Taiwan

Asian Power Devices Inc.

Forward Citations = 184

22 inventors:

Tsung-Liang Hung (26 out of 26 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Asian Power Devices Inc.. Retrieved from https://idiyas.com/company/asian-power-devices

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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