Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YC

Yi-Ching Chang

SISchneider Electric It: 2 patents #4 of 69Top 6%
FCFujian Jinhua Integrated Circuit Co.: 1 patents #28 of 81Top 35%
UMUnited Microelectronics: 1 patents #251 of 616Top 45%
Overall (2021): #56,871 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D938360 Surge protector Chung-Hui Chen, Zeqian Li 2021-12-14
D938361 Surge protector adaptor Chung-Hui Chen, Zeqian Li 2021-12-14
11038014 Semiconductor device having plug and metal line Feng-Yi Chang, Fu-Che Lee, Kai-Lou Huang, Ying-Chih Lin, Gang-Yi Lin 2021-06-15