Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161117 | Coupling structure for easy installation and separation of faucet | Yong Woon Lee, Jin Su Jeon, Do Kyeong Lee | 2018-12-25 |
| 8452025 | Power supply circuit including voltage regulator and headphone driving circuit employing the same | Yeongha Choi, Jin-Ho Oh, Min Soo Kim | 2013-05-28 |