Guozhu JIANG

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Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device with sound guiding channel
- Patent number 12,323,761
- Issue date Jun 3, 2025
- VIVO MOBILE COMMUNICATION CO., LTD.
- Guozhu Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker and electronic device
- Patent number 12,207,042
- Issue date Jan 21, 2025
- VIVO MOBILE COMMUNICATION CO., LTD.
- Guozhu Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC DEVICE
- Publication number 20230051986
- Publication date Feb 16, 2023
- VIVO MOBILE COMMUNICATION CO., LTD.
- Guozhu JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER AND ELECTRONIC DEVICE
- Publication number 20230052353
- Publication date Feb 16, 2023
- VIVO MOBILE COMMUNICATION CO.,LTD.
- Guozhu JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE