Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11010531 | Method of design quality through the consistency check and design rule check of engineering data of 3D CAD model for plant engineering | — | 2021-05-18 |
| 10930672 | Three-dimensional semiconductor memory devices | Hyeri Shin, Sung Bok Lee, Yusik Choi, Sungyung Hwang | 2021-02-23 |