HSIU-CHE YEN has been granted 9 US patents while listed as an inventor at Polytronics Technology . The first was granted in 2018 and the most recent in September 2025. HSIU-CHE YEN ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list HSIU-CHE YEN in Taoyuan, TW.
Patents per Year Patents granted per year, 2018 to 2025 Bar chart with a peak of 3 patents in 2025. peak 3 2018: 1 patents 2018 2021: 2 patents 2021 2023: 2 patents 2023 2024: 1 patents 2024 2025: 3 patents 2025
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
12406782 Over-current protection device CHEN-NAN LIU , Yung-Hsien Chang , CHENG-YU TUNG , Chia-Yuan Lee , Yu-Chieh Fu +2 more 2025-09-02
12394545 Over-current protection device Yung-Hsien Chang , 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 , CHEN-NAN LIU , Yung-Hsien Chang , Yao-Te Chang +1 more 2025-07-08
11990258 Over-current protection device Yung-Hsien Chang , CHENG-YU TUNG , CHEN-NAN LIU , Chia-Yuan Lee , Yu-Chieh Fu +2 more 2024-05-21
11594877 Over-current protection device Zhen Yu Dong , Yung-Hsien Chang , Yao-Te Chang , Fu Hua Chu , Takashi Hasunuma 2023-02-28
11574750 Over-current protection device Yung-Hsien Chang , Zhen Yu Dong , Yao-Te Chang , Fu Hua Chu 2023-02-07
11018502 Cable with over-temperature protection Zhen Yu Dong , Yung-Hsien Chang , Yao-Te Chang , Pin Syuan Li 2021-05-25
10902980 Over-current protection device Zhen Yu Dong , Yung-Hsien Chang , Yao-Te Chang , Fu Hua Chu 2021-01-26
9997906 Over-current protection device Yung-Hsien Chang , Zhen Yu Dong , Yao-Te Chang , David Shau Chew Wang 2018-06-12