JC

Joon-kee Chang

NA Naver: 1 patents #7 of 106Top 7%
Overall (2021): #400,950 of 548,734Top 75%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
10999610 Service method and system for providing multi-track video contents Sung Tak Cho, Kyung-Ryul Sun, Sungho Kim, Yoosub Song, Haneul LEE +3 more 2021-05-04