Inventor
GUO PEIPEI
CN20 patents
⚠️ This page may combine multiple inventors who share the name “GUO PEIPEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NINGDE AMPEREX TECHNOLOGY LTD
18 patentsUS11329352B2May 10, 2022
Secondary battery cell and winding formation system thereof
NINGDE AMPEREX TECHNOLOGY LTD3 citations72
US12009483B2Jun 11, 2024
Secondary battery cell and winding formation system thereof
NINGDE AMPEREX TECHNOLOGY LTD0 citations62
US11101518B2Aug 24, 2021
Multilayer sheet and battery
NINGDE AMPEREX TECHNOLOGY LTD0 citations61
US12294119B2May 6, 2025
Battery and power consuming device having the same
NINGDE AMPEREX TECHNOLOGY LTD0 citations60
US11901590B2Feb 13, 2024
Battery and power consuming device having the same
NINGDE AMPEREX TECHNOLOGY LTD0 citations60
US11069935B2Jul 20, 2021
Cell and battery
NINGDE AMPEREX TECHNOLOGY LTD0 citations59
US11211652B2Dec 28, 2021
Protective device for cell
NINGDE AMPEREX TECHNOLOGY LTD0 citations57
US11721865B2Aug 8, 2023
Battery
NINGDE AMPEREX TECHNOLOGY LTD0 citations52
US11658344B2May 23, 2023
Wound-type electrode assembly
NINGDE AMPEREX TECHNOLOGY LTD0 citations52
US12166216B2Dec 10, 2024
Battery and electric device containing same
NINGDE AMPEREX TECHNOLOGY LTD0 citations51
US11024868B2Jun 1, 2021
Secondary battery cell
NINGDE AMPEREX TECHNOLOGY LTD0 citations51
US10693113B2Jun 23, 2020
Battery electrode and secondary battery using the same
NINGDE AMPEREX TECHNOLOGY LTD0 citations51
US11145868B2Oct 12, 2021
Electrode piece, cell and energy storage device
NINGDE AMPEREX TECHNOLOGY LTD0 citations50
US11011789B2May 18, 2021
Package sealing structure, preparation method thereof and flexible packaging battery
NINGDE AMPEREX TECHNOLOGY LTD0 citations50
US11189884B2Nov 30, 2021
Cell and battery
NINGDE AMPEREX TECHNOLOGY LTD0 citations49
US12183954B2Dec 31, 2024
Battery and electric device containing same
NINGDE AMPEREX TECHNOLOGY LTD0 citations48
US12027722B2Jul 2, 2024
Housing, battery, and electronic apparatus
NINGDE AMPEREX TECHNOLOGY LTD0 citations47
US11996570B2May 28, 2024
Battery casing assembly and battery having the same
NINGDE AMPEREX TECHNOLOGY LTD0 citations47