Zhijun SUN

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Weifang City, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing material encapsulation structure for sound producti...
- Patent number 12,035,102
- Issue date Jul 9, 2024
- GoerTek Inc.
- Jiapeng Niu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker module
- Patent number 10,484,766
- Issue date Nov 19, 2019
- Goertek Inc.
- Xinxiang Huo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SOUND ABSORBING MATERIAL ENCAPSULATION STRUCTURE FOR SOUND PRODUCTI...
- Publication number 20230018827
- Publication date Jan 19, 2023
- Goertek Inc.
- Jiapeng NIU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER MODULE
- Publication number 20190058933
- Publication date Feb 21, 2019
- GOERTEK INC
- Xinxiang HUO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE