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Guoan Du

UM United Microelectronics: 5 patents #1,074 of 4,560Top 25%
Overall (All Time): #935,065 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12096704 Semiconductor memory device and fabrication method thereof Yuan Zhou, Xian Feng Du, Guohai Zhang 2024-09-17
11844291 Semiconductor memory device and fabrication method thereof Yuan Zhou, Xian Feng Du, Guohai Zhang 2023-12-12
11723295 Fabrication method of memory device Hai Tao Liu, Li Ding, Yao-Hung Liu, Qi LI, Chunlei Wan +4 more 2023-08-08
11239419 Structure of memory device and fabrication method thereof Hai Tao Liu, Li Ding, Yao-Hung Liu, Qi LI, Chunlei Wan +4 more 2022-02-01
9799705 Semiconductor device and method of making the same Liang Yi, Chia-Ching Hsu, Shen-De Wang, Ko-Chi Chen 2017-10-24