Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11182518 | Apparatus and method for designing and manufacturing showerhead | Sang Yub Ie, Sung Youn Chung, Jae Myung Choe | 2021-11-23 |
| 11164884 | Vertical-type memory device | Eun Yeoung Choi, Hyung Joon Kim, Su Hyeong Lee | 2021-11-02 |
| 11094709 | Method of manufacturing semiconductor device | Eun Yeoung Choi, Hyung Joon Kim | 2021-08-17 |