Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9473837 | Sound transducer with ventilation structure | Kil Dong Park, Ji Hoon Kim, Joong Hak Kwon | 2016-10-18 |
| 9277305 | Suspension for a sound transducer | Joong Hak Kwon, Ho Il Jeong, In Ho Jeong | 2016-03-01 |