Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404896 | Electric-acoustic transducer having dual voice coil drivers | Kyung Ho Kim | 2002-06-11 |
| 6389148 | Electric-acoustic transducer having moving magnet and transducing method thereof | Ok-Jung Yoo | 2002-05-14 |
| 6385328 | Electro-acoustic micro-transducer having three-mode reproduction feature | Kyung Ho Kim | 2002-05-07 |