Inventor

LI YANZHI

CN2 patents

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

HUIZHOU NORTHERN FOREST CO LTD

1 patent

US11976192B2May 7, 2024

Flame retardant and fully biodegradable plastic, manufacturing method of the same, and application of the same

HUIZHOU NORTHERN FOREST CO LTD0 citations51

YANTAI HUAZHENG INSTR CO LTD

1 patent

US11473994B2Oct 18, 2022

Portable tester for a leakage rate of a cylinder in an automobile engine

YANTAI HUAZHENG INSTR CO LTD0 citations39