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Chungyul Ryu

BC Bluecom Co.: 1 patents #5 of 13Top 40%
Overall (All Time): #2,919,335 of 4,157,543Top 75%
1
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Issued Patents All Time

Patent #TitleCo-InventorsDate
10136220 Bluetooth neck band headset including vibration speaker Kwangho Son, Jeong Il Kwon, Sangyoon Shin, Leesub Song 2018-11-20