MH

Ming-Fang Hung

JA Jetvox Acoustic: 2 patents #4 of 6Top 70%
Overall (All Time): #2,015,812 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9503805 Piezoelectric ceramic dual-frequency earphone structure To-Teng HUANG 2016-11-22
9467784 Piezoelectric-type speaker To-Teng HUANG 2016-10-11