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Dejun JIANG
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Shenzhen, CN
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Patents Grants
last 30 patents
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Patent Grant
Wireless earphone
Patent number
D991912
Issue date
Jul 11, 2023
SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
Zhangliang Xiong
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Method and device for controlling camera shooting, smart device and...
Patent number
11,445,145
Issue date
Sep 13, 2022
SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
Dejun Jiang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Bluetooth connection method, device and smart terminal
Patent number
11,129,221
Issue date
Sep 21, 2021
Shenzhen Grandsun Electronic Co., Ltd.
Minjie Lin
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
BLUETOOTH CONNECTION METHOD, DEVICE AND SMART TERMINAL
Publication number
20190306905
Publication date
Oct 3, 2019
SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
Minjie LIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE