Inventor
CHENG WENQIANG
CN22 patents
⚠️ This page may combine multiple inventors who share the name “CHENG WENQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NINGDE AMPEREX TECHNOLOGY LTD
8 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
US11024908B2Jun 1, 2021
Electrochemical device and method for manufacturing same
NINGDE AMPEREX TECHNOLOGY LTD0 citations62
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
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD
6 patentsUS10177587B2Jan 8, 2019
Charging method and system
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD4 citations83
US10461561B2Oct 29, 2019
Battery charging apparatus and battery charging protection control method
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD3 citations73
US10447058B2Oct 15, 2019
Charging method and system
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD2 citations72
US10439420B2Oct 8, 2019
Charging method, charging adapter and charging system
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD2 citations72
US10135278B2Nov 20, 2018
Controller charging adapter and method for charging mobile terminal
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD2 citations72
US11545843B2Jan 3, 2023
Battery charging apparatus and battery charging protection control method
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD1 citations62
DONGGUAN AMPEREX TECH LTD
6 patentsUS9780403B2Oct 3, 2017
Cathode sheet and lithium ion electric roll using the same
DONGGUAN AMPEREX TECH LTD3 citations70
US12255290B2Mar 18, 2025
Electrode assembly, and lithium ion electric roll using the electrode assembly
DONGGUAN AMPEREX TECH LTD0 citations60
US12166181B2Dec 10, 2024
Electrode assembly, and lithium ion electric roll using the electrode assembly
DONGGUAN AMPEREX TECH LTD0 citations60
US11355775B2Jun 7, 2022
Cathode sheet and lithium ion electric roll using the same
DONGGUAN AMPEREX TECH LTD1 citations60
US10840557B2Nov 17, 2020
Electrode assembly, and lithium ion electric roll using the electrode assembly
DONGGUAN AMPEREX TECH LTD0 citations49
US10283816B2May 7, 2019
Electrode assembly, and lithium ion electric roll using the electrode assembly
DONGGUAN AMPEREX TECH LTD0 citations49