KP

Kil Dong Park

EC Em-Tech Co.: 3 patents #16 of 70Top 25%
Overall (All Time): #1,500,261 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9832557 Slim microspeaker Seul Ki Nam, Ji Hoon Kim, Min Chang KIM 2017-11-28
9473837 Sound transducer with ventilation structure Kyu Dong Choi, Ji Hoon Kim, Joong Hak Kwon 2016-10-18
9088840 Vibration module for sound transducer Kyu Dong Choi, In Ho Jeong, Joong Hak Kwon 2015-07-21