DN

Donald Na

Samsung: 2 patents #37,631 of 75,807Top 50%
📍 Gyeongsan-si, KR: #82 of 242 inventorsTop 35%
Overall (All Time): #1,899,296 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10565405 Smart card device, system including the same and method of operating smart card system Hyuck-Jun Cho, Seung Hwan Baek, Jae-Keun Oh, Kee-Moon Chun 2020-02-18
9589221 Method of operating smart card and method of operating smart card system including the same Hyuck-Jun Cho, Seung Hwan Baek, Jae-Keun Oh, Kee-Moon Chun 2017-03-07