Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9621038 | Switch control circuit and converter using the same | Zhi Yuan Cui, Youn Ggi Ryu, In Ho Hwang | 2017-04-11 |
| 9502975 | Switch control circuit, switch control method and converter using the same | Youn Ggi Ryu, Zhi Yuan Cui, Hae Wook Kim, In Ho Hwang | 2016-11-22 |
| 9496703 | Leakage current detection circuit, light apparatus comprising the same and leakage current detection method | Su Wan PARK, Young Gi Ryu, Young Lok Shin | 2016-11-15 |