Inventor

DUAN DONG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “DUAN DONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONGGUAN AMPEREX TECH LTD

1 patent

US9350041B2May 24, 2016

Double-folding device for softly-packaged lithium ion batteries

DONGGUAN AMPEREX TECH LTD1 citations42

CONTEMPORARY AMPEREX TECH CO

1 patent

US10673027B2Jun 2, 2020

Pouch-type secondary battery

CONTEMPORARY AMPEREX TECH CO0 citations30