Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049677 | Inverse current injection-type direct current blocking device and method using vacuum gap switch | Woo Young Lee, Gyeong Ho Lee, Sang-Hun Park, Chae-Yoon BAE, Jung Wook Sim +1 more | 2021-06-29 |
| 10818454 | High speed switch | Jung Wook Sim, Gyeong Ho Lee | 2020-10-27 |
| 10191120 | Apparatus for detecting defect of electric power system | Chae-Yoon BAE, Jung Wook Sim, Gyeong Ho Lee | 2019-01-29 |
| 10116132 | Device for efficient direct current interruption | Gyeong Ho Lee, Jung Wook Sim | 2018-10-30 |
| 10063046 | Direct current circuit breaker and method using the same | Gyeong Ho Lee, Jung Wook Sim, Chae-Yoon BAE | 2018-08-28 |
| 9748299 | Pixel, image sensor including the same, and portable electronic device including the image sensor | Jung-Chak Ahn, Kyung Ho Lee, Young Woo Jung, Seung Joo Nah | 2017-08-29 |
| 9599654 | Fault current detecting circuit | Jung Wook Sim, Gyeong Ho Lee | 2017-03-21 |
| 9490628 | Fault current limiter | Jung Wook Sim, Gyeong Ho Lee | 2016-11-08 |
| 9478383 | Fast switch | Gyeong Ho Lee, Jung Wook Sim | 2016-10-25 |
| 9093838 | Fault current detecting circuit | Seung Hyun Bang, Gyeong Ho Lee, Jung Wook Sim, Won Joon Choe, Min Jee KIM | 2015-07-28 |
| 8830646 | Protection coordination system | Seung Hyun Bang, Kwon Bae Park, Won Joon Choe, Jung Wook Sim, Gyeong Ho Lee +1 more | 2014-09-09 |
| 8760834 | Fault current limiter | Jung Wook Sim, Won Joon Choe, Gyeong Ho Lee, Seung Hyun Bang, Min Jee KIM | 2014-06-24 |
| 8749938 | Fault current limiter | Jung Wook Sim, Won Joon Choe, Gyeong Ho Lee, Seung Hyun Bang, Min Jee KIM | 2014-06-10 |
| 8723591 | Method for driving IGBT | Gyeong Ho Lee, Seung Hyun Bang, Jung Wook Sim, Won Joon Choe, Min Jee KIM | 2014-05-13 |