DL

Do-kyun Lee

Samsung: 2 patents #37,631 of 75,807Top 50%
HC Heesung Catalysts: 1 patents #29 of 51Top 60%
Overall (All Time): #1,375,213 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12097483 Exhaust gas-purification catalyst having multi-layer structure including precious metal thin layer as top layer, and method for producing same Sang Yun Han, Seung Chul Na 2024-09-24
10698519 Method and electronic device for acquiring user input Byung-Ku PARK, Seung Chul Lee 2020-06-30
8711575 Printed circuit board unit having routing unit mounted thereon and computer device having the same 2014-04-29