Inventor

LIU ZHENGPING

CN6 patents

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

LIU ZHENGPING

3 patents

US8576043B2Nov 5, 2013

YANG QUAN-QUAN

1 patent

US8653932B2Feb 18, 2014

Conductive composite material with positive temperature coefficient of resistance and overcurrent protection component

YANG QUAN-QUAN7 citations72

SHANGHAI CHANGYUAN WAYON CIRCUIT PROT CO LTD

1 patent

US9534102B2Jan 3, 2017

Macromolecule-based conductive composite material and PTC element

SHANGHAI CHANGYUAN WAYON CIRCUIT PROT CO LTD1 citations41

UNIV BEIJING NORMAL

1 patent

US9090744B2Jul 28, 2015

Process for preparing polysulfone

UNIV BEIJING NORMAL0 citations39

LIU ZHENGPING

LIU ZHENGPING

Surface-mount type overcurrent protection element

Personal hygiene device

Rotary massage device

YANG QUAN-QUAN

Conductive composite material with positive temperature coefficient of resistance and overcurrent protection component

SHANGHAI CHANGYUAN WAYON CIRCUIT PROT CO LTD

Macromolecule-based conductive composite material and PTC element

UNIV BEIJING NORMAL

Process for preparing polysulfone