DN

Do Heung Na

Samsung: 1 patents #3,826 of 8,673Top 45%
Overall (2011): #313,289 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7969752 Switching power supply device using current sharing transformer Sang Cheol Bong, Tae Young Ahn, Don Sik Kim, Hak Ryong Kim, Myung Hyun Sung +4 more 2011-06-28