Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9556644 | Apparatus for opening and closing entrance | Byungman Yoon, Chaeho Yoon | 2017-01-31 |
| 9556645 | Apparatus for opening and closing front entrance | Byungman Yoon, Chaehi Yoon | 2017-01-31 |
| 9542383 | Example-based error detection system for automatic evaluation of writing, method for same, and error detection apparatus for same | Seunghwan KIM, Seongmook Kim, Dongnam Kim, Sung-Il Kim | 2017-01-10 |