Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10049559 | Power saving safety helmet capable of wireless communication, and wireless transmission and reception method therefor | Yoon-Bae Lee, Jae Won Lee, Young-Uk Son, Ji-man Kim | 2018-08-14 |
| 7627342 | Portable phone with camera | — | 2009-12-01 |
| 7133691 | Portable phone with camera | — | 2006-11-07 |