Yongfeng Ye

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Button cell and method for welding electrode tabs to a pole shell o...
- Patent number 11,850,673
- Issue date Dec 26, 2023
- FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
- Haitao Chang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
BUTTON CELL AND METHOD FOR WELDING ELECTRODE TABS TO A POLE SHELL O...
- Publication number 20210331268
- Publication date Oct 28, 2021
- FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
- Haitao CHANG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
RECHARGEABLE BUTTON CELL
- Publication number 20210305543
- Publication date Sep 30, 2021
- FUJIAN NANPING YANPING DISTRICT NANFU NEW ENERGY TECHNOLOGY CO., LTD.
- Haitao CHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SECONDARY ELECTROCHEMICAL BATTERY SEALING BODY WITH CHARGING INDICATOR
- Publication number 20170338450
- Publication date Nov 23, 2017
- FUJIAN NANPING NANFU BATTERY CO., LTD.
- Haitao Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER