DK

Dong Hak Kwak

EC Ecopro Co.: 2 patents #4 of 26Top 20%
📍 Andong-si, KR: #81 of 237 inventorsTop 35%
Overall (All Time): #2,128,790 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7829219 Cathode for lithium secondary batteries having improved coating properties and lithium secondary batteries using the same Hui-Chan Yun, Jong-seob Kim, Ho-Seok Yang, Young Ki Lee 2010-11-09
7625670 Cathode material for secondary batteries with non-aqueous electrolyte, a process for preparing the cathode material and lithium secondary battery containing the same Young Ki Lee, Hui-Chan Yun, Jong-seob Kim 2009-12-01