Inventor

ZHANG YICHUAN

CN4 patents

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

ADVANCED MICRO FABRICATION EQUIPMENT INC CHINA

2 patents

US11189496B2Nov 30, 2021

Plasma reactor for ultra-high aspect ratio etching and etching method thereof

ADVANCED MICRO FABRICATION EQUIPMENT INC CHINA0 citations49

US12494350B2Dec 9, 2025

Lower electrode assembly and plasma processing device

ADVANCED MICRO FABRICATION EQUIPMENT INC CHINA0 citations43

HUAWEI TECH CO LTD

1 patent

US12328778B2Jun 10, 2025

Near field communication-based communication method, apparatus, and system

HUAWEI TECH CO LTD1 citations53

UNIV DALIAN TECH

1 patent

US11245476B2Feb 8, 2022

Highly robust underwater optical communication system

UNIV DALIAN TECH0 citations44