Yumei Chen

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Huizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Safe and high-energy USB rechargeable battery
- Patent number 12,009,486
- Issue date Jun 11, 2024
- Eve Energy CO., LTD.
- Dasheng Qin
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Structure and method for sealing a button-type lithium cell
- Patent number 11,201,369
- Issue date Dec 14, 2021
- Eve Energy CO., LTD.
- Junming Zhu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
STRUCTURE AND METHOD FOR SEALING A BUTTON-TYPE LITHIUM CELL
- Publication number 20210111454
- Publication date Apr 15, 2021
- EVE ENERGY CO., LTD.
- Junming Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SAFE AND HIGH-ENERGY USB RECHARGEABLE BATTERY
- Publication number 20200161713
- Publication date May 21, 2020
- EVE ENERGY CO., LTD.
- Dasheng Qin
- H01 - BASIC ELECTRIC ELEMENTS