Chengfei Zhang

Person

Weifang City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Acoustic device and electronic apparatus
- Patent number 12,096,179
- Issue date Sep 17, 2024
- GoerTek Inc.
- Chunfa Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conductive film for a sound generation device and the sound generat...
- Patent number 12,035,121
- Issue date Jul 9, 2024
- GoerTek Inc.
- Xiaodong Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic device and electronic apparatus
- Patent number 11,962,969
- Issue date Apr 16, 2024
- GoerTek Inc.
- Chunfa Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound producing unit, sound producing module, and electronic terminal
- Patent number 11,930,343
- Issue date Mar 12, 2024
- GOERTEK INC.
- Hanlong Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound producing unit, sound producing module, and electronic terminal
- Patent number 11,310,603
- Issue date Apr 19, 2022
- GoerTek Inc.
- Hanlong Cheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker module
- Patent number 10,433,038
- Issue date Oct 1, 2019
- Goertek, Inc.
- Tao Su
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker module
- Patent number 10,219,078
- Issue date Feb 26, 2019
- GoerTek Inc.
- Jun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker structure
- Patent number 10,057,687
- Issue date Aug 21, 2018
- Goertek, Inc.
- Xiang Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker module
- Patent number 10,021,489
- Issue date Jul 10, 2018
- GoerTek Inc.
- Jun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker sound hole device
- Patent number 9,832,565
- Issue date Nov 28, 2017
- GoerTek Inc.
- Jun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Moving-coil electroacoustic transducer
- Patent number 9,369,806
- Issue date Jun 14, 2016
- Goertek, Inc.
- Jianjian Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CONDUCTIVE FILM FOR A SOUND GENERATION DEVICE AND THE SOUND GENERAT...
- Publication number 20220345826
- Publication date Oct 27, 2022
- Goertek Inc.
- Xiaodong GUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC DEVICE AND ELECTRONIC APPARATUS
- Publication number 20220337939
- Publication date Oct 20, 2022
- Goertek Inc.
- Chunfa LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC DEVICE AND ELECTRONIC APPARATUS
- Publication number 20220078546
- Publication date Mar 10, 2022
- Goertek Inc.
- Chunfa LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC DEVICE AND ELECTRONIC APPARATUS
- Publication number 20220070577
- Publication date Mar 3, 2022
- Goertek Inc.
- Chunfa LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND PRODUCING UNIT, SOUND PRODUCING MODULE, AND ELECTRONIC TERMINAL
- Publication number 20210321199
- Publication date Oct 14, 2021
- Goertek Inc.
- Hanlong CHENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND PRODUCING UNIT, SOUND PRODUCING MODULE, AND ELECTRONIC TERMINAL
- Publication number 20210235196
- Publication date Jul 29, 2021
- Goertek Inc.
- Hanlong CHENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER MODULE
- Publication number 20180184184
- Publication date Jun 28, 2018
- Goertek Inc.
- Tao SU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER MODULE
- Publication number 20180048964
- Publication date Feb 15, 2018
- GOERTEK INC.
- Jun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER MODULE
- Publication number 20170311084
- Publication date Oct 26, 2017
- GOERTEK INC.
- Jun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker Structure
- Publication number 20170265007
- Publication date Sep 14, 2017
- Goertek, Inc.
- Xiang Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER SOUNDING HOLE DEVICE
- Publication number 20170055065
- Publication date Feb 23, 2017
- GOERTEK INC.
- Jun ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOVING-COIL ELECTROACOUSTIC TRANSDUCER
- Publication number 20150146912
- Publication date May 28, 2015
- Goertek ,Inc. a corporation
- Jianjian Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Chengfei Zhang

Person

Patents Grantslast 30 patents

Acoustic device and electronic apparatus

Conductive film for a sound generation device and the sound generat...

Acoustic device and electronic apparatus

Sound producing unit, sound producing module, and electronic terminal

Sound producing unit, sound producing module, and electronic terminal

Loudspeaker module

Loudspeaker module

Speaker structure

Loudspeaker module

Speaker sound hole device

Moving-coil electroacoustic transducer

Patents Applicationslast 30 patents

CONDUCTIVE FILM FOR A SOUND GENERATION DEVICE AND THE SOUND GENERAT...

ACOUSTIC DEVICE AND ELECTRONIC APPARATUS

ACOUSTIC DEVICE AND ELECTRONIC APPARATUS

ACOUSTIC DEVICE AND ELECTRONIC APPARATUS

SOUND PRODUCING UNIT, SOUND PRODUCING MODULE, AND ELECTRONIC TERMINAL

SOUND PRODUCING UNIT, SOUND PRODUCING MODULE, AND ELECTRONIC TERMINAL

LOUDSPEAKER MODULE

LOUDSPEAKER MODULE

LOUDSPEAKER MODULE

Speaker Structure

SPEAKER SOUNDING HOLE DEVICE

MOVING-COIL ELECTROACOUSTIC TRANSDUCER