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Chang Min Chung

KA Kakao: 1 patents #141 of 354Top 40%
Overall (All Time): #2,414,069 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12301373 Apparatus and method for using messenger service of group chat room Go En Choi, Hyo-Sun Kim, Ju Ho Chung, Yoo Hyuk Lim, Yu Ju Im +9 more 2025-05-13