Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9715170 | Optical proximity correction method and method of manufacturing extreme ultraviolet mask by using the optical proximity correction method | Sung-Hoon Jang | 2017-07-25 |
| 9609949 | Chair capable of interlocking back support and footrest | — | 2017-04-04 |