JH

Jong Heon Ha

EC Em-Tech Co.: 1 patents #4 of 16Top 25%
📍 Daega-myeon, KR: #16 of 96 inventorsTop 20%
Overall (2019): #409,818 of 560,194Top 75%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10419847 Microspeaker enclosure with porous materials in resonance space Kyu Dong Choi, Hyeon Taek Oh 2019-09-17