Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Che-Hsun Chang — 4 Patents

STSunrex Technology: 3 patents #17 of 48Top 40%
Taichung, TW: #1,904 of 7,415 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Che-Hsun Chang has been granted 4 US patents while listed as an inventor at Sunrex Technology. The first was granted in 2021 and the most recent in December 2025. Che-Hsun Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Che-Hsun Chang in Taichung, TW.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12500200 Package structure with conductive patterns in a redistribution layer Yu-Ci Lai, Hao-Yi Tsai, Chih-Hsuan Tai 2025-12-16
12001616 Mouse device Chun-Chieh Chen, Chi-Shu Hsu, Chang-Cheng Lee 2024-06-04
11893168 Double side-scroll mouse device Chun-Chieh Chen, Chi-Shu Hsu, Chang-Cheng Lee 2024-02-06
11157093 Computer mouse with vibration function Yun Wang, Kuan-Jung LI, Tao-Hung Chou, Chun-Chieh Chen, Shi-Ming Chen +1 more 2021-10-26