Inventor · disambiguated record
Chengfei Zhang
Also filed as: ZHANG CHENGFEI
12 granted patents·9 pending applications·9 citations·filing 2011–2023
82Inventor score
Files withGOERTEK INC16GUOCHUANG INNOVATION CENTER OF MOBILE ENERGY JIANGSU CO LTD3UNIV HONG KONG1WANG JIANJIAN1
Top patents by PatentIndex Score
21 records- 0180US9832565B2Speaker sound hole deviceGOERTEK INC·Filed 2015·Granted Nov 28, 2017·4 cites·6 claims
- 0273US12096179B2Acoustic device and electronic apparatusGOERTEK INC·Filed 2019·Granted Sep 17, 2024·2 cites·17 claims
- 0373US11962969B2Acoustic device and electronic apparatusGOERTEK INC·Filed 2019·Granted Apr 16, 2024·2 cites·12 claims
- 0461US11310603B2Sound producing unit, sound producing module, and electronic terminalGOERTEK INC·Filed 2018·Granted Apr 19, 2022·1 cites·20 claims
- 0560US12491781B2Charging apparatusGUOCHUANG INNOVATION CENTER OF MOBILE ENERGY JIANGSU CO LTD·Filed 2022·Granted Dec 9, 2025·0 cites·12 claims
- 0654US2025332934A1Automatic charging deviceGUOCHUANG INNOVATION CENTER OF MOBILE ENERGY JIANGSU CO LTD·Filed 2023·Application pending·0 cites
- 0753US2024147163A1Sound generator and audio deviceGOERTEK INC·Filed 2023·Application pending·0 cites
- 0852US10219078B2Loudspeaker moduleGOERTEK INC·Filed 2017·Granted Feb 26, 2019·0 cites·14 claims
- 0950US10057687B2Speaker structureGOERTEK INC·Filed 2015·Granted Aug 21, 2018·0 cites·10 claims
- 1049US2025159412A1Sound generating module and electronic deviceGOERTEK INC·Filed 2023·Application pending·0 cites
- 1149US2025168569A1Sound production module and terminal deviceGOERTEK INC·Filed 2023·Application pending·0 cites
- 1247US10021489B2Loudspeaker moduleGOERTEK INC·Filed 2015·Granted Jul 10, 2018·0 cites·9 claims
- 1347US2025203291A1Dome and diaphragm assembly for sound producing apparatus, sound producing apparatus, and electronic deviceGOERTEK INC·Filed 2023·Application pending·0 cites
- 1447US2025175725A1Housing of sound generating device, sound generating device and electronic apparatus thereofGOERTEK INC·Filed 2023·Application pending·0 cites
- 1546US2020046459A1Real-time gutta percha (gp) flow for root canal therapy (rct) in endodontics dentistryUNIV HONG KONG·Filed 2019·Application pending·0 cites
- 1645US12035121B2Conductive film for a sound generation device and the sound generation deviceGOERTEK INC·Filed 2020·Granted Jul 9, 2024·0 cites·18 claims
- 1744US2025146348A1Side sliding doorGUOCHUANG INNOVATION CENTER OF MOBILE ENERGY JIANGSU CO LTD·Filed 2023·Application pending·0 cites
- 1843US2022337939A1Acoustic device and electronic apparatusGOERTEK INC·Filed 2019·Application pending·0 cites
- 1939US11930343B2Sound producing unit, sound producing module, and electronic terminalGOERTEK INC·Filed 2018·Granted Mar 12, 2024·0 cites·19 claims
- 2038US10433038B2Loudspeaker moduleGOERTEK INC·Filed 2015·Granted Oct 1, 2019·0 cites·8 claims
- 2133US9369806B2Moving-coil electroacoustic transducerWANG JIANJIAN·Filed 2011·Granted Jun 14, 2016·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →