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Patents Grants
last 30 patents
Information
Patent Grant
Objective method for assessing high contrast resolution of image ba...
Patent number
10,169,870
Issue date
Jan 1, 2019
National Institute of Metrology, China
Pu Zhang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High-diffusion-coefficient and high-brightness light source generat...
Patent number
9,964,681
Issue date
May 8, 2018
THE NATIONAL INSTITUTE OF METROLOGY(CHINA)
Zilong Liu
G02 - OPTICS
Information
Patent Grant
Cylindrical model eye, cylindrical test device and the manufacturin...
Patent number
7,742,244
Issue date
Jun 22, 2010
National Institute of Metrology
Wenli Liu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
DISTRIBUTED COLLABORATIVE PRIVACY CALCULATION METHOD AND SYSTEM FOR...
Publication number
20250021994
Publication date
Jan 16, 2025
BIG DATA CENTER OF STATE GRID CORPORATION OF CHINA
Wei Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM FOR CAPTURING
Publication number
20240114230
Publication date
Apr 4, 2024
BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.
Wenli Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HIGH-DIFFUSION-COEFFICIENT AND HIGH-BRIGHTNESS LIGHT SOURCE GENERAT...
Publication number
20170322360
Publication date
Nov 9, 2017
THE NATIONAL INSTITUTE OF METROLOGY(CHINA)
Zilong LIU
G02 - OPTICS
Information
Patent Application
NOVEL OBJECTIVE METHOD FOR ASSESSING HIGH CONTRAST RESOLUTION OF IM...
Publication number
20170193656
Publication date
Jul 6, 2017
NATIONAL INSTITUTE OF METROLOGY, CHINA
Pu ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DEVICE AND METHOD FOR VISUAL THRESHOLD MEASUREMENT
Publication number
20150150451
Publication date
Jun 4, 2015
National Institute of Metrology
Jiyan Zhang
G02 - OPTICS
Information
Patent Application
Cylindrical Model Eye, Cylindrical Test Device And The Manufacturin...
Publication number
20090109434
Publication date
Apr 30, 2009
National Institute of Metrology
Wenli Liu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL