Inventor
WEN TSENGFENG
CN3 patents
Patents
3 patentsUS9602912B2Mar 21, 2017
High bass speaker monomer and a high bass earphone structure
TRANSOUND ELECTRONICS CO LTD7 citations76
US9344784B2May 17, 2016
Earphone with dual loudspeakers
TRANSOUND ELECTRONICS CO LTD4 citations66
US9204221B2Dec 1, 2015
Acoustic metal diaphragm
TRANSOUND ELECTRONICS CO LTD2 citations55