For the Inventor, By the Inventor

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Hsinchu, Taiwan

Polytronics Technology Corporation

USPTO Granted Patents = 105

Trademarks = 4

Forward Citations = 322

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

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

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

10. Fu-Hua Chu (8 out of 8 patents)

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

12. Tsungmin Su (8 out of 8 patents)

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

14. Yung Hsien Chang (7 out of 7 patents)

15. Yung-Hsien Chang (7 out of 7 patents)

Core Competencies:

Over-Current Protection Device

Circuit Protection Device

Vaporizing Apparatus

Thermally Conductive Board

Insulated Metal Substrate

PTC Device

Reflowable Thermal Fuse

Secondary Battery

Positive Temperature Coefficient Device

Illumination Apparatus

Heat Radiating Material

Adhesive Material

105 patents: Sort by Forward Citations

1. 12488916 - Over-current protection device (2025-12-02),

2. 12407163 - Circuit protection device (2025-09-02),

3. 12406783 - Circuit protection device (2025-09-02),

4. 12406782 - Over-current protection device (2025-09-02),

5. 12394545 - Over-current protection device (2025-08-19),

6. 12354775 - Over-current protection device (2025-07-08),

7. 12288980 - Over-current protection device (2025-04-29),

8. 11992053 - Vaporizing apparatus and vaporizer thereof (2024-05-28),

9. 11990258 - Over-current protection device (2024-05-21),

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

11. 11778739 - Thermally conductive board (2023-10-03),

12. 11694825 - Radial-leaded over-current protection device (2023-07-04),

13. 11626220 - Surface-mountable over-current protection device (2023-04-11),

14. 11594877 - Over-current protection device (2023-02-28),

15. 11574750 - Over-current protection device (2023-02-07),

Polytronics Technology Corporation is a leading global electronic components manufacturer headquartered in Taiwan. With over 30 years of experience, it specializes in the development and manufacturing of passive components such as resistors, capacitors, and inductors. Polytronics is committed to providing high-quality products that meet the needs of various industries including automotive, telecommunications, consumer electronics, and more. Through continuous innovation and dedication to customer satisfaction, Polytronics has established itself as a reliable and trusted partner in the electronics industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

105 Patents

#39 in Hsinchu

#218 in Taiwan

#7,234 in the World

Hsinchu, Taiwan

Polytronics Technology Corporation

Forward Citations = 322

78 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)

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