KH

Keun Yong Hwang

EC Em-Tech Co.: 1 patents #4 of 16Top 25%
Overall (2019): #388,787 of 560,194Top 70%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10298105 Linear vibrator Jong Dae Kim 2019-05-21