ClassID:

167953

G01N2021/557 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Specular reflectivity Detecting specular reflective parts on sample

Recent Application in this class:
#1
20220262019
2022-08-18

Surface characteristics evaluation method, surface characteristics evaluation apparatus, and surface characteristics evaluation program

#2
20220207856
2022-06-30

Method for extracting spectral information of a substance under test

#3
20210356395
2021-11-18

Specular variable angle absolute reflectance method and reflectometer

#4
20210172726
2021-06-10

Systems and methods of assessing a coating microstructure

#5
20190331600
2019-10-31

MEASUREMENT APPARATUS, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM

#6
20190277760
2019-09-12

Specular variable angle absolute reflectance method and reflectometer

#7
20190033234
2019-01-31

Objective lens

#8
20170024895
2017-01-26

Optical characteristic measuring apparatus

#9
20160274029
2016-09-22

Measuring arrangement for measuring optical properties of a reflective optical element, in particular for microlithography

#10
20160243866
2016-08-25

Medium identification device, image forming apparatus, method of identifying medium, and computer program product

#11
20150299992
2015-10-22

Human body detection sensor and automatic faucet

#12
20150292868
2015-10-15

Systems and methods for semiconductor device process determination using reflectivity measurement

#13
20150164333
2015-06-18

Measurement probe and biological optical measurement system

#14
20140372075
2014-12-18

Image processing device, method for controlling same, program, and inspection system

#15
20090116697
2009-05-07

Method and tool for surface texture evaluation

#16
20070268481
2007-11-22

System and method for measuring scene reflectance using optical sensors

#17
20070268366
2007-11-22

System and method for sensing geometric and photometric attributes of a scene with multiplexed illumination and solid state optical devices

#18
20070268363
2007-11-22

System and method for sensing geometric and photometric attributes of a scene with multiplexed illumination and solid states optical devices

#19
18890715
2025-01-07

Method for inversing depth of subsurface chlorophyll-a maxima of oceanic water body based on remote sensing reflectance

#20
16280954
2020-03-24

Retroreflective optical system and methods