SN

Sung-Jun Na

📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #3,114,429 of 4,157,543Top 75%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8774459 Indoor user positioning method using motion recognition unit Hyun Chul Jung, Lee-Kwon Choi, Seung-Kwon Lee, Nam-Jin Kim, Jong-Hwan Bae +1 more 2014-07-08