HK

Hee-Joo Ko

Samsung: 4 patents #1,074 of 8,673Top 15%
📍 Yongin-si, KR: #183 of 1,251 inventorsTop 15%
Overall (2011): #27,711 of 364,097Top 8%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8057920 Heterocyclic compound and organic light emitting device comprising the same Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak 2011-11-15
8053093 Organometallic complex, method of preparing the same and organic light emitting device comprising the same Jung-Han Shin, Seung-Gak Yang, Hee-Yeon Kim, Chang-Ho Lee 2011-11-08
7875369 Heterocycle-containing organometallic complex and organic light emitting device including the same Jung-Han Shin, Seung-Gak Yang, Hee-Yeon Kim, Chang-Ho Lee 2011-01-25
7868321 Organic light emitting device and flat display including the same Chang-Ho Lee, Seung-Gak Yang, Hee-Yeon Kim, Jung-Han Shin 2011-01-11