Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11515159 | Forming contact holes using litho-etch-litho-etch approach | Yuan-Fu Ko, Chih-Sheng Chang | 2022-11-29 |
| 11456207 | Semiconductor device including metal interconnections having sidewall spacers thereon, and method for fabricating the same | Yuan-Fu Ko, Chih-Sheng Chang | 2022-09-27 |
| 11404425 | Test key structure | Fang-Sheng Chou | 2022-08-02 |