Songdong Liu

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Zhuhai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Underwater button switch
- Patent number 10,629,392
- Issue date Apr 21, 2020
- Divevolk (Zhuhai) Intelligence Tech Co,, Ltd
- Jingsong Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Bridging transmission device for underwater wireless signals
- Publication number 20230216539
- Publication date Jul 6, 2023
- DIVEVOLK (ZHUHAI) INTELLIGENCE TECH CO. LTD.
- Songdong Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UNDERWATER HIGH-SENSITIVITY BUTTON SWITCH
- Publication number 20190051472
- Publication date Feb 14, 2019
- Divevolk (Zhuhai) Intelligence Tech Co., Ltd
- Jingsong Liu
- H01 - BASIC ELECTRIC ELEMENTS