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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YC

Yao-Te Chang — 17 Patents

PTPolytronics Technology: 14 patents #5 of 58Top 9%
NUNational Chiao Tung University: 2 patents #256 of 1,517Top 20%
Linnei, TW: #1 of 4 inventorsTop 25%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
Yao-Te Chang has been granted 17 US patents while listed as an inventor at Polytronics Technology. The first was granted in 2011 and the most recent in September 2025. Yao-Te Chang ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Yao-Te Chang in Linnei, TW.

Patents per Year

Patents granted per year, 2011 to 2025Bar chart with a peak of 3 patents in 2018.peak 32011: 1 patents20112012: 1 patents20122013: 1 patents20132015: 1 patents20152016: 1 patents20162018: 3 patents20182021: 3 patents20212023: 2 patents20232024: 1 patents20242025: 3 patents2025

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12406782 Over-current protection device CHEN-NAN LIU, Yung-Hsien Chang, HSIU-CHE YEN, CHENG-YU TUNG, Chia-Yuan Lee +2 more 2025-09-02
12394545 Over-current protection device HSIU-CHE YEN, Yung-Hsien Chang, CHENG-YU TUNG, Chia-Yuan Lee, CHEN-NAN LIU +1 more 2025-08-19
12354775 Over-current protection device Chia-Yuan Lee, CHENG-YU TUNG, HSIU-CHE YEN, CHEN-NAN LIU, Yung-Hsien Chang +1 more 2025-07-08
11990258 Over-current protection device HSIU-CHE YEN, Yung-Hsien Chang, CHENG-YU TUNG, CHEN-NAN LIU, Chia-Yuan Lee +2 more 2024-05-21
11594877 Over-current protection device Zhen Yu Dong, Yung-Hsien Chang, HSIU-CHE YEN, Fu Hua Chu, Takashi Hasunuma 2023-02-28
11574750 Over-current protection device HSIU-CHE YEN, Yung-Hsien Chang, Zhen Yu Dong, Fu Hua Chu 2023-02-07
11018502 Cable with over-temperature protection Zhen Yu Dong, Yung-Hsien Chang, HSIU-CHE YEN, Pin Syuan Li 2021-05-25
10902980 Over-current protection device Zhen Yu Dong, Yung-Hsien Chang, HSIU-CHE YEN, Fu Hua Chu 2021-01-26
10892072 PTC device Chun Teng Tseng, Wen Feng Lee 2021-01-12
10096407 Surface-mountable over-current protection device Chun Teng Tseng, Wen Feng Lee, Yung-Hsien Chang 2018-10-09
10056176 Over-current protection device David Shau Chew Wang, Chun Teng Tseng, Tsungmin Su 2018-08-21
9997906 Over-current protection device HSIU-CHE YEN, Yung-Hsien Chang, Zhen Yu Dong, David Shau Chew Wang 2018-06-12
9349510 Positive temperature coefficient device Kuo-Chang Lo 2016-05-24
8960959 Handle assembly for a luggage Lien-Ti Chen 2015-02-24
8536973 Over-current protection device Kuo-Chang Lo, Ya Fang Liang, Yi-An Sha, David Shau Chew Wang 2013-09-17
8114315 PHPIT and fabrication thereof Kung-Hwa Wei 2012-02-14
8008427 Soluble phenanthrenyl imidazole for photo-electrical conversion of solar cell Kung-Hwa Wei 2011-08-30