Chih-Tsung Su has been granted 11 US patents while listed as an inventor at Epistar . The first was granted in 2003 and the most recent in December 2025. Chih-Tsung Su ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Chih-Tsung Su in Hsinchu, TW.
Patents per Year Patents granted per year, 2003 to 2023 Bar chart with a peak of 2 patents in 2016. peak 2 2003: 1 patents 2003 2008: 1 patents 2008 2013: 1 patents 2013 2016: 2 patents 2016 2019: 2 patents 2019 2020: 1 patents 2020 2022: 1 patents 2022 2023: 1 patents 2023
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date
12506258 Antenna device Masateru FURUTA , Tadashi FUKAGAI , Yuki KONO , Yutaka Kubo , TAIICHI YAMAGUCHI +3 more 2025-12-23
11742459 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2023-08-29
11430916 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2022-08-30
10825956 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2020-11-03
10505076 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2019-12-10
10199542 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2019-02-05
9530934 Light-emitting device Chien-Hua Chou , Tai-Chun Wang , Biau-Dar Chen 2016-12-27
9240519 Light-emitting element comprising a reflective structure with high efficiency Keng-Lin CHUANG , Chun-Lung Tseng , Ching-Hsing SHEN , Chih-Hui Liu , Yu Kun 2016-01-19
8591066 Modular lamp head and assembly for non-destructive testing Gustavo Garcia , John Duerr 2013-11-26
7336023 Cold cathode field emission devices having selective wavelength radiation Meng-Jey Youh , Cheuk-Wai Lau , Chun-Lung Tseng , Yao-Hsien Huang , Michelle Lin 2008-02-26
6666564 LED pen clip — 2003-12-23