| 11070121 |
Vibration generating apparatus |
Nam Jin Choi, Kyung Hoon Jo, Soon Koo Shim, Young Bin Chong, Won Gook Lee +1 more |
2021-07-20 |
| 10381910 |
Linear vibration generating device |
Soon Koo Shim, Young Bin Chong, Won Gook Lee, Min Goo Lee |
2019-08-13 |
| 9913364 |
Printed circuit board and vibration actuator including the same |
Soon Koo Shim, Young Bin Chong, Nam Jin Choi, Won Gook Lee, Min Goo Lee +1 more |
2018-03-06 |
| 7278193 |
Device for coupling PCB sheet |
Bong Kyu Choi |
2007-10-09 |
| 7234217 |
Device for coupling PCB sheet having position deciding jig part |
Bong Kyu Choi |
2007-06-26 |
| 7103966 |
Device for coupling PCB sheet |
Bong Kyu Choi |
2006-09-12 |
| 7017248 |
Device for coupling PCB sheet |
Bong Kyu Choi |
2006-03-28 |
| 6574862 |
Method for coupling PCB sheet |
Bong Kyu Choi |
2003-06-10 |
| 5126613 |
Coil pattern of frequency generator |
— |
1992-06-30 |