Inventor

LIU ZHIZHI

CN2 patents

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

SHENZHEN WANTIANXING NETWORK TECH CO LTD

1 patent

USD1100198SOct 28, 2025

Ear piercing gun

SHENZHEN WANTIANXING NETWORK TECH CO LTD0 citations39

GUANGXI YUCHAI MACHINERY CO LTD

1 patent

US11060467B2Jul 13, 2021

Electrically controlled pneumatic surge prevention device and control method

GUANGXI YUCHAI MACHINERY CO LTD0 citations31