ClassID:

167901

G01N2021/4716 - 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; Scattering, i.e. diffuse reflection; Angular selective; Multiangle measurement Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor

Recent Application in this class:
#1
20230118120
2023-04-20

METHODS AND APPARATUS FOR PERFORMING DIFFUSE OPTICAL IMAGING

#2
20200183024
2020-06-11

Radiation detector and radiation detection apparatus

#3
20190383718
2019-12-19

Thermal compensation

#4
20190120759
2019-04-25

Illumination system for recognizing material and method of recognizing material using the same

#5
20190049363
2019-02-14

Calibration insert, and mount of the same

#6
20180038782
2018-02-08

Thermal compensation

#7
20180017486
2018-01-18

Illumination system for recognizing material and method of recognizing material using the same

#8
20140293273
2014-10-02

Optical measuring device and optical measuring method

#9
20120250023
2012-10-04

Light scattering flow cell device

#10
20120008138
2012-01-12

Surface defect inspection method and apparatus

#11
20110310398
2011-12-22

Friction-coefficient estimating device and friction-coefficient estimating method

#12
20110222050
2011-09-15

Optical measuring device and optical measuring method

#13
20100265494
2010-10-21

Surface defect inspection method and apparatus

#14
20100022858
2010-01-28

Subject observation apparatus and subject observation method

#15
20100020323
2010-01-28

Instrument for measuring particle parameters

#16
20090046274
2009-02-19

Light Scattering Methods and Systems Using Supercritical Fluid Solvents to Measure Polymer Molecular Weight and Molecular Weight Distribution

#17
20090040512
2009-02-12

Semiconductor wafer inspection device and method

#18
20080304055
2008-12-11

Surface defect inspection method and apparatus

#19
20080246971
2008-10-09

Methods for using light reflection patterns to determine diving angle of grain

#20
20080074670
2008-03-27

Grain angle sensor

#21
20080008623
2008-01-10

Automatic sampling and dilution apparatus for use in a polymer analysis system

#22
20070252976
2007-11-01

Optical sensor and method for optically inspecting surfaces

#23
20070176105
2007-08-02

PHOTOSENSITIVE DIAGNOSTIC DEVICE

#24
20070146841
2007-06-28

INSTRUMENT FOR MEASURING PARTICLE PARAMETERS

#25
20070041013
2007-02-22

Light scattering and imaging optical system