Inventor
LI QIANDENG
CN27 patents
⚠️ This page may combine multiple inventors who share the name “LI QIANDENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
25 patentsUS11283116B2Mar 22, 2022
Battery heating system and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2 citations73
US10814726B2Oct 27, 2020
Control apparatus and power supply system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2 citations73
US11650261B2May 16, 2023
Detection apparatus of electrochemical impedance spectroscopy and battery management system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2 citations71
US11394066B2Jul 19, 2022
Battery heating system and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD4 citations71
US11095131B2Aug 17, 2021
Battery management system and energy storage power station
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD3 citations70
US11085960B2Aug 10, 2021
Insulation detection method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD3 citations70
US10969419B2Apr 6, 2021
Insulation detection circuit, detection method and battery management system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2 citations69
US11088553B2Aug 10, 2021
Control system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD4 citations67
US11598799B2Mar 7, 2023
High-voltage interlock system and detection method thereof
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations62
US10870353B2Dec 22, 2020
High-voltage interlock system and detection method thereof
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations62
US10928429B2Feb 23, 2021
Insulation detection device and method for energy storage system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2 citations61
US11656672B2May 23, 2023
Method for controlling a power-down detection circuit, controller and computer readable storage media
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations60
US11360136B2Jun 14, 2022
Load state detection circuit and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations60
US11048316B2Jun 29, 2021
Power-down detection circuit and control method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations60
US10983154B2Apr 20, 2021
Load state detection circuit and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations60
US11088405B2Aug 10, 2021
Battery pack temperature detection system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations57
US11404894B2Aug 2, 2022
Pre-charging circuit and pre-charging method for high voltage battery pack
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1 citations56
US11320481B2May 3, 2022
High voltage interlock circuit and detection method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations49
US11150302B2Oct 19, 2021
High voltage detection circuit and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations49
US11258278B2Feb 22, 2022
Detection circuit and method
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations48
US11031789B2Jun 8, 2021
Battery pack management system and control method thereof
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations48
US11448683B2Sep 20, 2022
Insulation detection circuit, detection method and battery management system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations47
US11760226B2Sep 19, 2023
Rechargeable battery monitoring system, battery pack and electric vehicle
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations46
US11095132B2Aug 17, 2021
Battery management system
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations46
US10725114B2Jul 28, 2020
Sampling detection circuit and method for detecting a circuit malfunction
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations37