Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115517 | Method and apparatus for preventing screen off during automatic response system service in electronic device | Chul Jin Kim, Hyung-Chul Son, Hyun-Seok Oh, Young-Kwon Cho | 2021-09-07 |
| 10306044 | Method and apparatus for preventing screen off during automatic response system service in electronic device | Chul Jin Kim, Hyung-Chul Son, Hyun-Seok Oh, Young-Kwon Cho | 2019-05-28 |
| 9628982 | Method and apparatus for preventing screen off during automatic response system service in electronic device | Chul Jin Kim, Hyung-Chul Son, Hyun-Seok Oh, Young-Kwon Cho | 2017-04-18 |
| 9173086 | Method and apparatus for preventing screen off during automatic response system service in electronic device | Chul Jin Kim, Hyung-Chul Son, Hyun-Seok Oh, Young-Kwon Cho | 2015-10-27 |
| 8509441 | Radio frequency identification system and authentication method thereof | Hyun-Seok Oh | 2013-08-13 |