Inventor

ZHANG GUOYI

CN5 patents

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

ZHANG GUOYI

2 patents

US8395082B2Mar 12, 2013

Solid-state laser lift-off apparatus

ZHANG GUOYI3 citations51

US8338313B2Dec 25, 2012

Method for nondestructive lift-off of GaN from sapphire substrate utilizing a solid-state laser

ZHANG GUOYI1 citations40

UNIV BEIJING

1 patent

US12565713B2Mar 3, 2026

Method for preparing gallium nitride (GaN) single-crystal substrate with edge metal mask technology

UNIV BEIJING0 citations49

SUN YONGJIAN

1 patent

US9276165B2Mar 1, 2016

Composite substrate with a protective layer for preventing metal from diffusing

SUN YONGJIAN1 citations41

DONGGUAN INST OF OPTO-ELECTRONICS PEKING UNIV

1 patent

US9611564B2Apr 4, 2017

Method for growing a bulk single crystal nitride material

DONGGUAN INST OF OPTO-ELECTRONICS PEKING UNIV0 citations25