Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D603375 | Antenna for a vehicle | — | 2009-11-03 |
| 7586825 | Wave retardation plate and optical pickup device has them | Yong-Shig Shim, Sung Min Cho | 2009-09-08 |
| D581908 | Car antenna | — | 2008-12-02 |
| D581909 | Car antenna | — | 2008-12-02 |