Inventor

ZHANG ZHIGUO

CN62 patents

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

ZHANG ZHIGUO

BOE TECHNOLOGY GROUP CO LTD

Object identification method and object identification device

Shopping recommendation method, client, and server

Display adjustment method and device for bar-shaped electronic shelf label

Method and device for determining placement region of item

Lip language recognition method and mobile terminal using sound and silent modes

Shelf system

Navigation method, shopping cart and navigation system

Automatic object recognition method and system thereof, shopping device and storage medium

Electronic shelf label and method for assembling the same

Video playback apparatus and video playback method

Display control system and display apparatus

Positioning method, positioning server and positioning system

Video transmission method and apparatus, and computer-readable storage medium thereof

Supermarket shopping cart positioning method, supermarket shopping cart positioning system, and supermarket shopping cart

Line segment detection method, apparatus, device, and computer-readable storage medium

Endoscope apparatus and controlling method thereof

Auxiliary parking method, apparatus, and system

Movable box and method for controlling the same, package storage device and computer readable storage medium

Navigation system and navigation method

Bar screen control circuitry, bar screen display system and method for controlling a bar screen

Gateway device and method for managing multiple electronic tags

Electronic tag and control method thereof, system including electronic tag and control method thereof

Method and device for charging vehicle parking, as well as shopping cart and system

3D play system

Intelligent control method and system

Display device and home network system comprising display device

HUAWEI TECH CO LTD

Heat dissipation panel, heat dissipation apparatus, and electronic device

Thermal component and electronic device

Mobile terminal and heat dissipation and shielding structure

Heat dissipation apparatus and terminal device having same

Heat-dissipation and shielding structure and communications product

Folding device and heat dissipation apparatus

Mobile terminal and heat dissipation and shielding structure

Centrifugal fan and terminal

DONGYANG HUAHENG ARTS AND CRAFTS CO LTD

Christmas tree topper bow

Christmas tree topper bow

Decoration

Bow

UNIV ZHEJIANG

Method for adsorption and separation of propylene, propyne, propane and propadiene

Method for separating mixed xylene

Method for producing tetrafluoromethane through plasma pyrolysis of waste polytetrafluoroethylene

SHANGHAI UNITED IMAGING HEALTHCARE CO LTD

Systems and methods for determining a target position of a scanning table

Systems and methods for volume data rendering

CABOT CORP

Thermography test method and apparatus for bonding evaluation in sputtering targets

HONOR DEVICE CO LTD

Housing structure and terminal device

CONTEMPORARY AMPEREX TECHNOLOGY CO LTD

Pallet structure and battery electrolyte injection apparatus

HEBEI RUIGUAN INT TRADE CO LTD

Bed rail

MAYO FOUND MEDICAL EDUCATION & RES

Methods and materials for extracting chromatin

GUANGDONG MIDEA REFRIGERATION APPLIANCES CO LTD

Energy saving controlling method and device of inverter air-conditioner

BEIJING BOE TECHNOLOGY DEV CO LTD

Method for updating content of electronic label and device