Inventor
GONG Da-Young
KR4 patents
Patents
4 patentsUS12293744B2May 6, 2025
Head joint for wind instrument, having mouthpiece and reed portion formed thereon, and wind instrument comprising same
GONG MYEONG KOOK0 citations56
US11856666B2Dec 26, 2023
Alternating current source direct driving LED lighting device
GONG MYEONG KOOK0 citations56
US11076459B2Jul 27, 2021
LED lighting device for preventing flickering
GONG MYEONG KOOK0 citations46
US10051697B2Aug 14, 2018
Free voltage LED driving device with high luminous uniformity ratio
GONG MYEONG KOOK1 citations46