Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KC

Keh-Jeng Chang

TSMC: 8 patents #340 of 3,957Top 9%
📍 Hsinchu, CA: #30 of 221 inventorsTop 15%
Overall (2025): #9,375 of 469,880Top 2%
8
Patents 2025

Issued Patents 2025

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12387968 Radical-activated etching of metal oxides Chansyun David Yang, Chan-Lon Yang, Perng-Fei Yuh 2025-08-12
12389518 Method of manufacturing integrated circuit Chansyun David Yang, Chan-Lon Yang 2025-08-12
12363978 Field effect transistor with negative capacitance dielectric structures Chansyun David Yang, Chan-Lon Yang 2025-07-15
12317535 Independent control of stacked semiconductor device Chansyun David Yang, Chan-Lon Yang 2025-05-27
12299375 Semiconductor process technology assessment Hung-Chih Ou, Kuo-Fu Lee, Wen-Hao Chen, Hsiang-Ho Chang 2025-05-13
12284804 Memory devices, semiconductor devices, and methods of operations a memory device Perng-Fei Yuh, Yih Wang, Meng-Sheng Chang, Jui-Che Tsai, Ku-Feng Lin +7 more 2025-04-22
12218015 Interferometer systems and methods for real time etch process compensation control Chansyun David Yang, Chan-Lon Yang, Perng-Fei Yuh 2025-02-04
12211918 Nanostructured channel regions for semiconductor devices Chansyun David Yang, Chan-Lon Yang, Perng-Fei Yuh 2025-01-28