Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |