Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832564 | Multi-pole earphone plug and adjustable multi-pole audio connector including the same | Sung Hoon Jeong, Sangju Lee, Cheol Yong Park, Ho-Chul Hwang | 2017-11-28 |
| 9819321 | Method and apparatus for automatically controlling gain based on sensitivity of microphone in electronic device | Sunghwan KO, Nakjin Choi, Sangju Lee, Sunghoon Jeong, Yoongu Choi | 2017-11-14 |