Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438228 | Hinge device of mobile telephone | Byeong-Ro Jeong, Sung-Soo Go | 2002-08-20 |
YY
Yong-Jin Yi
Overall (All Time): #3,554,917 of 4,157,543Top 90%
1
Patents All Time