| 12293958 |
Semiconductor device including hard macro |
Sang Do Park |
2025-05-06 |
| 11037842 |
Semiconductor device with inspection patterns |
— |
2021-06-15 |
| 10530134 |
Switchgear |
Ji Ma, Seung Hwan Mun |
2020-01-07 |
| 10468861 |
Distribution panel |
Seog Won LEE, Ji Ma, Seung Hwan Mun |
2019-11-05 |
| 10409169 |
Methods of manufacturing photomasks, methods of inspecting photomasks, and methods of manufacturing semiconductor devices |
Jeong Lim Kim, Joong Won Jeon |
2019-09-10 |
| 9941172 |
Method for fabricating semiconductor device including a via hole in a mask pattern |
Joong Won Jeon, Young-Deok Kwon, Suk-Joo Lee |
2018-04-10 |
| 9732543 |
Door interlock device for transformer room of vacuum circuit breaker |
Kil Young Ahn, Seung Pil Yang |
2017-08-15 |
| 9620938 |
Switchboard applied with bushing-type current transformer |
Seung Pil Yang, Kil Young Ahn, Dae Soo Han, Seung Hwan Mun |
2017-04-11 |
| 9595817 |
Transformer position adjustment preventing device of switchboard |
Seung Pil Yang |
2017-03-14 |
| 9470972 |
Mask for photolithography, method for fabricating the same and method for manufacturing semiconductor device using the mask |
Se Jin Park, Suk-Joo Lee |
2016-10-18 |
| 8975546 |
Circuit breaker provided with mechanical trip mechanism |
Hong Ik Yang, Kil Young Ahn |
2015-03-10 |
