Inventor

GUO DAN

CN19 patents

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

GUO DAN

CHENGDU BOE OPTOELECT TECH CO

Display substrate, display panel and display apparatus

Display substrate, display panel and display apparatus

Display substrate, preparation method thereof, and display apparatus

Display substrate and display device

Display substrate and display device having light-transmitting openings and light-transmitting portions

Display substrate and display device

Display panel and display device

Display substrate, manufacturing method thereof, and display apparatus

HUAWEI TECH CO LTD

Ferrule, optical connector, optical communication element, communications device, and preparation method

Memory card identification method and mobile device

Ferrule, optical connector, optical communication element, communications device, and preparation method

BAIDU COM INC

Method and system for retrieving advertisement information

LI ZHIXIONG

Reading/writing control method and system for nonvolatile memory storage device

GUO DAN

Systems and methods for quantitatively characterizing slow wave activities and states in sleep

UNIV TIANJIN POLYTECHNIC

Polyvinylidene fluoride/ultra-high molecular weight polyethylene blend microporous membrane and preparation method thereof

UNIV XIANGTAN

Efficiency optimization control method and system for permanent magnet synchronous motor

CHINA PETROLEUM & CHEM CORP

System and method for producing needle coke

CRRC QINGDAO SIFANG CO LTD

System and method for monitoring pressure inside railway vehicle

BGRIMM TECH GROUP LTD

Titanium alloy blade tip with high adhesion strength and wear-resistant protective coating and preparation method thereof