Zhigan Dai

Follow

Person

Weifang City, ShanDong Province, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker module and electronic device comprising the loudspeaker...
- Patent number 9,883,266
- Issue date Jan 30, 2018
- GOERTEK INC.
- Zhigan Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker module
- Patent number 9,681,215
- Issue date Jun 13, 2017
- GOERTEK INC.
- Yitao Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LOUDSPEAKER MODULE AND ELECTRONIC DEVICE COMPRISING THE LOUDSPEAKER...
- Publication number 20160323675
- Publication date Nov 3, 2016
- Goertek Inc.
- Zhigan Dai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Speaker Module
- Publication number 20160261949
- Publication date Sep 8, 2016
- Goertek Inc.
- Yitao Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE