Inventor
TAO SHENGGANG
CN4 patents
Patents
4 patentsUS11089400B2Aug 10, 2021
Coaxial loudspeaker
SUZHOU SONAVOX ELECTRONICS CO LTD0 citations54
US11962987B2Apr 16, 2024
Magnetic circuit of loudspeaker and loudspeaker
SUZHOU SONAVOX ELECTRONICS CO LTD0 citations47
US11849277B2Dec 19, 2023
Loudspeaker system
SUZHOU SONAVOX ELECTRONICS CO LTD0 citations46
US11279278B2Mar 22, 2022
Pedestrian warning device having grille cover
SUZHOU SONAVOX ELECTRONICS CO LTD0 citations44