YK

Yuan-Fu Ko

UM United Microelectronics: 2 patents #119 of 626Top 20%
Overall (2022): #93,225 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11515159 Forming contact holes using litho-etch-litho-etch approach Ching-Chih Chang, Chih-Sheng Chang 2022-11-29
11456207 Semiconductor device including metal interconnections having sidewall spacers thereon, and method for fabricating the same Ching-Chih Chang, Chih-Sheng Chang 2022-09-27