Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9863113 | Steel pipe socket and method of connecting steel pipe pile and steel pipe column using the same | — | 2018-01-09 |
| 9867152 | Method and device for measuring amount of user physical activity | Ji-Hye Ban, Sun Mi Park, Jeong-Min Park, Youn-Hee Lee, Jae-Woong Chun | 2018-01-09 |