JO

Jeong Tak Oh

Samsung: 5 patents #763 of 8,673Top 9%
📍 Seoul, KR: #241 of 3,741 inventorsTop 7%
Overall (2011): #17,054 of 364,097Top 5%
5
Patents 2011

Issued Patents 2011

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8071994 Semiconductor light-emitting device with improved light extraction efficiency Sun Woon Kim, Hyun Kyung Kim, Je Won Kim, In Seok CHOI, Kyu Han Lee 2011-12-06
8030640 Nitride semiconductor light emitting device and method of manufacturing the same Yong Chun Kim, Dong Joon Kim, Dong Ju Lee 2011-10-04
7999274 White light emitting device Yong Chun Kim 2011-08-16
7893443 Nitride based semiconductor light-emitting device Je Won Kim, Dong Joon Kim, Sun Woon Kim, Jin Sub Park, Kyu Han Lee 2011-02-22
7888670 Nitride semiconductor light emitting device Sang Heon Han, Sang Won Kang, Seung-Beom Seo, Dong Joon Kim, Hyun Wook Shim 2011-02-15