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Patents Grants
last 30 patents
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Patent Grant
Open-ear earphone
Patent number
12,200,432
Issue date
Jan 14, 2025
UI (Wan An) Technology Co. Ltd
Jiaquan Yi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPEN-EAR EARPHONE
Publication number
20240147143
Publication date
May 2, 2024
UI (Wan An) Technology Co. Ltd
Jiaquan Yi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPEN-EAR BLUETOOTH EARPHONE
Publication number
20240147115
Publication date
May 2, 2024
UI (Wan An) Technology Co. Ltd
Zhaoquan MAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE