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Suzhou, CN
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last 30 patents
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Patent Application
A FULL-FREQUENCY BAND HIGH QUALITY SPEAKER WITH A BAR AND SOUND TUN...
Publication number
20240236576
Publication date
Jul 11, 2024
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
A FULL-FREQUENCY BAND HIGH QUALITY SPEAKER WITH A BAR AND SOUND TUN...
Publication number
20240137705
Publication date
Apr 25, 2024
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
A KIND OF DOUBLE-BARS VIOLIN FAMILY WITHOUT SOUND POST
Publication number
20230368752
Publication date
Nov 16, 2023
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
A GRAND PIANO SOUNDBOARD WITH A BAR AND SOUND TUNNELS
Publication number
20230368751
Publication date
Nov 16, 2023
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
A FULL-FREQUENCY BAND HIGH QUALITY PLANAR RESONANCE SPEAKER WITH A...
Publication number
20230370779
Publication date
Nov 16, 2023
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
A FULL-FREQUENCY BAND HIGH QUALITY ELECTRONIC PRODUCTS SPEAKER WITH...
Publication number
20230336909
Publication date
Oct 19, 2023
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
A FULL-FREQUENCY BAND HIGH QUALITY MEMS MICROPHONE WITH A BAR AND S...
Publication number
20230336923
Publication date
Oct 19, 2023
SUZHOU LI YUE MUSICAL INSTRUMENTS CO., LTD.
Haiou JIN
H04 - ELECTRIC COMMUNICATION TECHNIQUE