Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8866538 | Constant current circuit of high efficiency | Hyun-Tak Kim, Bongjun Kim, Jun Sik Kim | 2014-10-21 |
SK
Sun Shin Kwag
Overall (All Time): #3,131,187 of 4,157,543Top 80%
1
Patents All Time