Patents/Assignees

SUZHOU LI YUE MUSICAL INSTRUMENTS CO., Ltd.

6 patents in portfolio

US12439208utility2025
Full-frequency Band High Quality Planar Resonance Speaker with a Bar and Sound Tunnels
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US12417753utility2025
Kind of Double-bars Violin Family Without Sound Post
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US12401938utility2025
Full-frequency Band High Quality Electronic Products Speaker with a Bar and Sound Tunnels
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US12363485utility2025
Full-frequency Band High Quality MEMS Microphone with a Bar and Sound Tunnels
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US12283260utility2025
Grand Piano Soundboard with a Bar and Sound Tunnels
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US12212946utility2025
Full-frequency Band High Quality Speaker with a Bar and Sound Tunnels
0 cites