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

Tsun-Kai Ko — 4 Patents in 2021

EPEpistar: 4 patents #6 of 172Top 4%
Overall (2021): #38,280 of 548,734Top 7%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11011679 Optoelectronic device and method for manufacturing the same Chao-Hsing Chen, Jia-Kuen Wang, Chien-Chih Liao, Tzu-Yao Tseng, Chien-Fu Shen 2021-05-18
10985295 Light-emitting device Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Bo-Jiun Hu, Tsung-Hsun Chiang +4 more 2021-04-20
10964847 Light-emitting element Schang-Jing Hon, Chao-Hsing Chen, Chien-Fu Shen, Jia-Kuen Wang, Hung-Che Chen 2021-03-30
10950652 Light-emitting structure having a plurality of light-emitting structure units Chien-Fu Shen, Chao-Hsing Chen, Schang-Jing Hon, Sheng-Jie Hsu, De-Shan Kuo +5 more 2021-03-16