Inventor

SUN GUOFANG

CN4 patents

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

JIAXING UPHOTON OPTOELECTRONICS TECH CO LTD

2 patents

US11846785B1Dec 19, 2023

Diffraction optical waveguide and grating structure thereof, and display device

JIAXING UPHOTON OPTOELECTRONICS TECH CO LTD2 citations71

US12111474B2Oct 8, 2024

Grating structure, diffraction optical waveguide, and display device

JIAXING UPHOTON OPTOELECTRONICS TECH CO LTD1 citations61

BOE TECHNOLOGY GROUP CO LTD

2 patents

US10054821B2Aug 21, 2018

Rubbing mura detection device

BOE TECHNOLOGY GROUP CO LTD3 citations66

US9568753B2Feb 14, 2017

Turnover device, substrate cell-assembling apparatus and substrate cell-assembling method

BOE TECHNOLOGY GROUP CO LTD2 citations65