Inventor · disambiguated record
Qiandeng Li
Also filed as: LI QIANDENG
27 granted patents·3 pending applications·27 citations·filing 2019–2025
93Inventor score
Top patents by PatentIndex Score
30 records- 0193US11650261B2Detection apparatus of electrochemical impedance spectroscopy and battery management systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted May 16, 2023·2 cites·20 claims
- 0290US11394066B2Battery heating system and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Jul 19, 2022·4 cites·8 claims
- 0388US11085960B2Insulation detection methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 10, 2021·3 cites·8 claims
- 0486US11283116B2Battery heating system and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Mar 22, 2022·2 cites·13 claims
- 0579US10928429B2Insulation detection device and method for energy storage systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Feb 23, 2021·2 cites·7 claims
- 0678US11095131B2Battery management system and energy storage power stationCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 17, 2021·3 cites·17 claims
- 0778US11088553B2Control systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 10, 2021·4 cites·13 claims
- 0878US10969419B2Insulation detection circuit, detection method and battery management systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Apr 6, 2021·2 cites·14 claims
- 0977US10870353B2High-voltage interlock system and detection method thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Dec 22, 2020·1 cites·16 claims
- 1077US2025347717A1Chip testing device and chip testing methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 1174US10814726B2Control apparatus and power supply systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Oct 27, 2020·2 cites·20 claims
- 1270US11598799B2High-voltage interlock system and detection method thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted Mar 7, 2023·0 cites·8 claims
- 1369US11656672B2Method for controlling a power-down detection circuit, controller and computer readable storage mediaCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted May 23, 2023·0 cites·13 claims
- 1467US11360136B2Load state detection circuit and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Jun 14, 2022·0 cites·12 claims
- 1567US2025364162A1Breaker box system, power supply system, and vehicleCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2025·Application pending·0 cites
- 1663US10983154B2Load state detection circuit and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·18 claims
- 1762US11088405B2Battery pack temperature detection systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 10, 2021·1 cites·10 claims
- 1862US11048316B2Power-down detection circuit and control methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Jun 29, 2021·0 cites·11 claims
- 1961US11404894B2Pre-charging circuit and pre-charging method for high voltage battery packCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 2, 2022·1 cites·19 claims
- 2054US11448683B2Insulation detection circuit, detection method and battery management systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted Sep 20, 2022·0 cites·19 claims
- 2153US11320481B2High voltage interlock circuit and detection methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted May 3, 2022·0 cites·13 claims
- 2252US12294064B2Rechargeable battery monitoring system, battery pack and electric vehicleCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2020·Granted May 6, 2025·0 cites·19 claims
- 2345US11031789B2Battery pack management system and control method thereofCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Jun 8, 2021·0 cites·8 claims
- 2444US11760226B2Rechargeable battery monitoring system, battery pack and electric vehicleCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted Sep 19, 2023·0 cites·13 claims
- 2544US11258278B2Detection circuit and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2020·Granted Feb 22, 2022·0 cites·14 claims
- 2643US12216175B2Storage battery monitoring system and methodCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2020·Granted Feb 4, 2025·0 cites·15 claims
- 2743US11095132B2Battery management systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Aug 17, 2021·0 cites·20 claims
- 2842US11150302B2High voltage detection circuit and methodCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·6 claims
- 2942US10725114B2Sampling detection circuit and method for detecting a circuit malfunctionCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Granted Jul 28, 2020·0 cites·18 claims
- 3042US2020088799A1Sampling assembly and battery packCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2019·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Qiandeng Li files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →