JC

Ja Hyeon Chang

📍 Seoul, KR: #24,369 of 39,741 inventorsTop 65%
Overall (All Time): #2,831,326 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10859279 Window-type smart air purifying ventilator Woo Hyun Kim, Yeon Mee Kim, Keum Young Seo 2020-12-08