JC

Jack Yang Chang

GL Gp Acoustics International Limited: 3 patents #9 of 21Top 45%
📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,512,412 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D770414 Loudspeaker John Davies, Patrick Ho, Eddy Rinna 2016-11-01
D710333 Earpiece Simon Davies 2014-08-05
D704162 Headphone John Davies 2014-05-06