JK

Joong Hak Kwon

EC Em-Tech Co.: 1 patents #4 of 16Top 25%
Overall (2019): #407,766 of 560,194Top 75%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10334342 Neckband wireless sound transducer Choong Sheek Hong 2019-06-25