Chao JIANG

Person

WeiFang, Shandong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for acquiring natural frequency of diaphragm
- Patent number 10,458,953
- Issue date Oct 29, 2019
- GoerTek Inc.
- Dong Qiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tablet woofer and electronic device using same
- Patent number 10,440,478
- Issue date Oct 8, 2019
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Miniature speaker
- Patent number 10,111,008
- Issue date Oct 23, 2018
- Goertek Inc.
- Xiaodong Guo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker diaphragm
- Patent number 9,955,266
- Issue date Apr 24, 2018
- GoerTek Inc.
- Xuelu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-diaphragm speaker
- Patent number 9,936,303
- Issue date Apr 3, 2018
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker vibration system
- Patent number 9,913,043
- Issue date Mar 6, 2018
- GOERTEK INC.
- Qianqian Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-diaphragm speaker system
- Patent number 9,900,697
- Issue date Feb 20, 2018
- GoerTek Inc.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Woofer speaker and the rear sound cavity forming method thereof
- Patent number 9,866,935
- Issue date Jan 9, 2018
- GoerTek Inc.
- Bin Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker
- Patent number 9,838,797
- Issue date Dec 5, 2017
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flat plate-type bass loudspeaker
- Patent number 9,788,121
- Issue date Oct 10, 2017
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tablet woofer and electronic device using same
- Patent number 9,769,572
- Issue date Sep 19, 2017
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tablet woofer
- Patent number 9,648,424
- Issue date May 9, 2017
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Double-vibrating-diaphragm loudspeaker module
- Patent number 9,628,900
- Issue date Apr 18, 2017
- GoerTek Inc.
- Jianbin Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer and manufacturing method thereof
- Patent number 9,369,807
- Issue date Jun 14, 2016
- GoerTek Inc.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Tablet Woofer and Electronic Device Using Same
- Publication number 20170339493
- Publication date Nov 23, 2017
- GOERTEK INC.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MINIATURE SPEAKER
- Publication number 20170257705
- Publication date Sep 7, 2017
- Goertek Inc.
- Xiaodong GUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DIAPHRAGM
- Publication number 20170188155
- Publication date Jun 29, 2017
- GOERTEK INC.
- Xuelu LIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR ACQUIRING NATURAL FREQUENCY OF DIAPHRAGM
- Publication number 20170045480
- Publication date Feb 16, 2017
- GOERTEK INC.
- Dong QIU
- G01 - MEASURING TESTING
Information Patent Application
SPEAKER
- Publication number 20170013367
- Publication date Jan 12, 2017
- Goertek Inc.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-DIAPHRAGM SPEAKER SYSTEM
- Publication number 20170013362
- Publication date Jan 12, 2017
- GOERTEK INC.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER VIBRATION SYSTEM
- Publication number 20160373863
- Publication date Dec 22, 2016
- GOERTEK INC.
- Qianqian SONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-DIAPHRAGM SPEAKER
- Publication number 20160345103
- Publication date Nov 24, 2016
- GOERTEK INC.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WOOFER SPEAKER AND THE REAR SOUND CAVITY FORMING METHOD THEREOF
- Publication number 20160127824
- Publication date May 5, 2016
- GOERTEK INC.
- Bin JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tablet Woofer and Electronic Device Using Same
- Publication number 20160127835
- Publication date May 5, 2016
- GOERTEK INC.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DOUBLE-VIBRATING-DIAPHRAGM LOUDSPEAKER MODULE
- Publication number 20160119718
- Publication date Apr 28, 2016
- GOERTEK INC.
- Jianbin YANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FLAT PLATE-TYPE BASS LOUDSPEAKER
- Publication number 20160080869
- Publication date Mar 17, 2016
- GOERTEK INC.
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tablet Woofer
- Publication number 20160073201
- Publication date Mar 10, 2016
- Chao JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTROACOUSTIC TRANSDUCER AND MANUFACTURING METHOD THEREOF
- Publication number 20150181344
- Publication date Jun 25, 2015
- GOERTEK INC.
- Chao Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Method and system for acquiring natural frequency of diaphragm

Tablet woofer and electronic device using same

Miniature speaker

Loudspeaker diaphragm

Multi-diaphragm speaker

Loudspeaker vibration system

Multi-diaphragm speaker system

Woofer speaker and the rear sound cavity forming method thereof

Speaker

Flat plate-type bass loudspeaker

Tablet woofer and electronic device using same

Tablet woofer

Double-vibrating-diaphragm loudspeaker module

Electroacoustic transducer and manufacturing method thereof

Patents Applicationslast 30 patents

Tablet Woofer and Electronic Device Using Same

MINIATURE SPEAKER

LOUDSPEAKER DIAPHRAGM

METHOD AND SYSTEM FOR ACQUIRING NATURAL FREQUENCY OF DIAPHRAGM

SPEAKER

MULTI-DIAPHRAGM SPEAKER SYSTEM

LOUDSPEAKER VIBRATION SYSTEM

MULTI-DIAPHRAGM SPEAKER

WOOFER SPEAKER AND THE REAR SOUND CAVITY FORMING METHOD THEREOF

Tablet Woofer and Electronic Device Using Same

DOUBLE-VIBRATING-DIAPHRAGM LOUDSPEAKER MODULE

FLAT PLATE-TYPE BASS LOUDSPEAKER

Tablet Woofer

ELECTROACOUSTIC TRANSDUCER AND MANUFACTURING METHOD THEREOF