Inventor
BIE CHANGFENG
CN4 patents
⚠️ This page may combine multiple inventors who share the name “BIE CHANGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD
2 patentsUS12334540B2Jun 17, 2025
Battery pack and electrical device
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations49
US12288880B2Apr 29, 2025
Positive active material, lithium ion secondary battery, battery module, battery pack and electric device
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations45
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
2 patentsUS12095051B2Sep 17, 2024
Battery pack and electrical device
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations49
US11721804B2Aug 8, 2023
Carbon-coated lithium iron phosphate positive active material, method for preparing same, positive electrode plate containing same, and lithium-ion battery
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD0 citations48