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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic circuit of loudspeaker and loudspeaker
Patent number
11,962,987
Issue date
Apr 16, 2024
SUZHOU SONAVOX ELECTRONICS CO., LTD
Yuewu Shen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Loudspeaker system
Patent number
11,849,277
Issue date
Dec 19, 2023
SUZHOU SONAVOX ELECTRONICS CO., LTD.
Yuewu Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pedestrian warning device having grille cover
Patent number
11,279,278
Issue date
Mar 22, 2022
SUZHOU SONAVOX ELECTRONICS CO., LTD.
Xiafeng Xue
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Coaxial loudspeaker
Patent number
11,089,400
Issue date
Aug 10, 2021
SUZHOU SONAVOX ELECTRONICS CO., LTD
Shenggang Tao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
LOUDSPEAKER SYSTEM
Publication number
20230138715
Publication date
May 4, 2023
Suzhou Sonavox Electronics Co., Ltd
Yuewu SHEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MAGNETIC CIRCUIT OF LOUDSPEAKER AND LOUDSPEAKER
Publication number
20220232325
Publication date
Jul 21, 2022
SUZHOU SONAVOX ELECTRONICS CO., LTD.
Yuewu SHEN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PEDESTRIAN WARNING DEVICE HAVING GRILLE COVER
Publication number
20210309146
Publication date
Oct 7, 2021
Suzhou Sonavox Electronics Co., Ltd
Xiafeng Xue
B60 - VEHICLES IN GENERAL
Information
Patent Application
A COAXIAL LOUDSPEAKER
Publication number
20210136482
Publication date
May 6, 2021
SUZHOU SONAVOX ELECTRONICS CO., LTD
SHENGGANG TAO
H04 - ELECTRIC COMMUNICATION TECHNIQUE