Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6256481 | Microphone connecting device for flip type portable telephone | Byeong-Ro Jeong, Young-Jin Yi, Sung-Soo Go | 2001-07-03 |
SR
Seong Ho RYU
Overall (All Time): #3,587,040 of 4,157,543Top 90%
1
Patents All Time