Inventor

YAO YIQI

CN2 patents

Patents

2 patents

US12305274B1May 20, 2025

PVD target and use thereof

ZHEJIANG SHINTOWN IND CO LTD0 citations48

US12144458B2Nov 19, 2024

Physically non-stick structure and cooking utensil

ZHEJIANG SHINTOWN IND CO LTD0 citations48