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Hsinchu, Taiwan

Polytronics Technology Corporation

USPTO Granted Patents = 108

% Expired Patents = 24.1

Trademarks = 4

Forward Citations = 350

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84 inventors (with patents filed for the assignee):

David Shau Chew Wang (41 out of 41 patents)

Chun Teng Tseng (27 out of 27 patents)

Yi An Sha (21 out of 21 patents)

4. David Shau-Chew Wang (16 out of 16 patents)

5. Fu Hua Chu (14 out of 14 patents)

6. Yun-Ching Ma (11 out of 11 patents)

7. Fu-Hua Chu (10 out of 10 patents)

8. Kuo Chang Lo (10 out of 10 patents)

9. Yung-Hsien Chang (9 out of 9 patents)

10. Edward Fu-Hua Chu (9 out of 9 patents)

11. Yao Te Chang (8 out of 8 patents)

12. Hsiu-Che Yen (8 out of 8 patents)

13. Wen Feng Lee (8 out of 9 patents)

14. Tsungmin Su (8 out of 8 patents)

15. Kuo Hsun Chen (8 out of 8 patents)

Core Competencies:

Over-Current Protection

Circuit Protection

Thermally Conductive Board

PTC Device

Vaporizing Apparatus

Cable Protection

Surface-Mountable Device

Heat Dissipation

LED Illumination

Thermal Fuse

Anti-Surge Protection

Current-Limiting Device

108 patents: Sort by Forward Citations

1. 12706234 - Over-current protection device (2026-08-11),

2. 12573528 - Over-current protection device (2026-03-10),

3. 12555706 - Over-current protection device (2026-02-17),

4. 12488916 - Over-current protection device (2025-12-02),

5. 12407163 - Circuit protection device (2025-09-02),

6. 12406783 - Circuit protection device (2025-09-02),

7. 12406782 - Over-current protection device (2025-09-02),

8. 12394545 - Over-current protection device (2025-08-19),

9. 12354775 - Over-current protection device (2025-07-08),

10. 12288980 - Over-current protection device (2025-04-29),

11. 11992053 - Vaporizing apparatus and vaporizer thereof (2024-05-28),

12. 11990258 - Over-current protection device (2024-05-21),

13. 11800895 - Vaporizing apparatus and vaporizer thereof (2023-10-31),

14. 11778739 - Thermally conductive board (2023-10-03),

15. 11694825 - Radial-leaded over-current protection device (2023-07-04),

Polytronics Technology Corporation, based in Hsinchu, Taiwan, specializes in advanced circuit protection technologies. The company focuses on developing innovative solutions for over-current protection and heat dissipation, catering to various industries that require reliable circuit safety. Their core offerings include thermally conductive boards, PTC devices, and surface-mountable components, ensuring effective cable protection and enhanced performance in electronic applications. Polytronics is committed to delivering high-quality products that meet the evolving needs of the market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

108 Patents

#62 in Hsinchu

#218 in Taiwan

#7,270 in the World

Hsinchu, Taiwan

Polytronics Technology Corporation

Forward Citations = 350

84 inventors:

David Shau Chew Wang (41 out of 41 patents)

Chun Teng Tseng (27 out of 27 patents)

Yi An Sha (21 out of 21 patents)

4. David Shau-Chew Wang (16 out of 16 patents)

5. Fu Hua Chu (14 out of 14 patents)

Please report any incorrect information to [email protected]

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