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

Chun-Hung Hsia

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Overall (All Time): #2,122,786 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7732009 Method of cleaning reaction chamber, method of forming protection film and protection wafer Chih-Jen Mao, Ta-Ching Yang, Chun-Cheng Yu, Chien-Fu Chu, Kuo-Wei Yang +2 more 2010-06-08
7482244 Method of preventing a peeling issue of a high stressed thin film Chih-Jen Mao, Hui-Shen Shih, Kuo-Wei Yang, Chun-Han Chuang 2009-01-27