Inventor · disambiguated record

Chengzong Ji

Also filed as: JI CHENGZONG

1 granted patent·0 citations·filing 2014–2014

5Inventor score

Technology areasH04R

Files withGOERTEK INC1

Top patents by PatentIndex Score

1 record

0136US9838817B2Loudspeaker diaphragm and manufacturing method thereofGOERTEK INC·Filed 2014·Granted Dec 5, 2017·0 cites·2 claims

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