KAIHUA QIAN

Follow

Person

Suzhou, JiangSu, CN

People

Patents Grantslast 30 patents

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 Applicationslast 30 patents

Information Patent Application
PEDESTRIAN ALERT DEVICE FOR ELECTRIC VEHICLE
- Publication number 20220005345
- Publication date Jan 6, 2022
- SUZHOU SONAVOX ELECTRONICS CO., LTD.
- Hongbing DING
- G06 - COMPUTING CALCULATING COUNTING
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