YC

Yung-Hsien Chang

PT Polytronics Technology: 4 patents #1 of 13Top 8%
📍 Douliu, MD: #1 of 1 inventorsTop 100%
Overall (2025): #26,743 of 469,880Top 6%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12406782 Over-current protection device CHEN-NAN LIU, HSIU-CHE YEN, CHENG-YU TUNG, Chia-Yuan Lee, Yu-Chieh Fu +2 more 2025-09-02
12406783 Circuit protection device Chien-Hui Wu, CHENG-YU TUNG, Ming-Hsun Lu, Yi-An Sha 2025-09-02
12394545 Over-current protection device HSIU-CHE YEN, CHENG-YU TUNG, Chia-Yuan Lee, CHEN-NAN LIU, Yao-Te Chang +1 more 2025-08-19
12354775 Over-current protection device Chia-Yuan Lee, CHENG-YU TUNG, HSIU-CHE YEN, CHEN-NAN LIU, Yao-Te Chang +1 more 2025-07-08