Assignee
ZHANG GUQING
CN·2 granted patents·1 pending application·0 citations·filing 2014–2016
Top patents by PatentIndex Score
3 records- 0142US9456280B2Electromagnetic transducerZHANG GUQING·Filed 2014·Granted Sep 27, 2016·0 cites·14 claims
- 0240US9820054B2Electromagnetic transducer having a suspending ring disposed for increased vibrating spaceZHANG GUQING·Filed 2014·Granted Nov 14, 2017·0 cites·10 claims
- 0328US2017034626A1SpeakerZHANG GUQING·Filed 2016·Application pending·0 cites
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