Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832564 | Multi-pole earphone plug and adjustable multi-pole audio connector including the same | Sung Hoon Jeong, Juhee CHANG, Sangju Lee, Ho-Chul Hwang | 2017-11-28 |
| 9741334 | Active noise cancellation in audio output device | Ju-Hee CHANG, Se Jeong Na, Sung-Kyu Park, In Seok SHIM, Sung Hoon Jeong +1 more | 2017-08-22 |
| 9420371 | User device having plurality of microphones and operating method thereof | Jung Yeol An, Gang-Youl Kim, Gun-Hyuk Yoon, Ki-Won Kim, Seung-Yoon Heo | 2016-08-16 |
| 9031833 | Communication apparatus | Ki Hong Kim | 2015-05-12 |