Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969752 | Switching power supply device using current sharing transformer | Sang Cheol Bong, Tae Young Ahn, Don Sik Kim, Myung Hyun Sung, Do Heung Na +4 more | 2011-06-28 |
HK
Hak Ryong Kim
Overall (2011): #291,688 of 364,097Top 85%
1
Patents 2011