ClassID:

167954

G01N2021/558 - 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 Measuring reflectivity and transmission

Recent Application in this class:
#1
20260146946
2026-05-28

DETERMINING ROUGHNESS AND INDEX OF REFRACTION OF A MATERIAL

#2
20250085229
2025-03-13

Optical Sample Characterization

#3
20240426746
2024-12-26

HEAT TREATMENT APPARATUS AND ACCURATE TEMPERATURE MEASUREMENT METHOD FOR SEMICONDUCTOR WORKPIECE

#4
20240401939
2024-12-05

INSTRUMENT AND METHOD FOR MEASURING THE CURVATURE OF A SURFACE OF A SAMPLE

#5
20240361239
2024-10-31

TRANSMISSION CORRECTED PLASMA EMISSION USING IN-SITU OPTICAL REFLECTOMETRY

#6
20240175813
2024-05-30

SPECTRUM ANALYSIS SYSTEM AND SPECTRUM ANALYSIS METHOD

#7
20240053255
2024-02-15

OPTICAL SENSOR

#8
20240029497
2024-01-25

MULTIFEED DETECTION DEVICE AND MULTIFEED DETECTION METHOD

#9
20230384331
2023-11-30

BLOOD CHARACTERISTICS EVALUATION APPARATUS, BLOOD CHARACTERISTICS EVALUATION METHOD, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM

#10
20230304788
2023-09-28

METHOD FOR MEASURING THICKNESS AND OPTICAL PROPERTIES OF MULTI-LAYER FILM

#11
20230143322
2023-05-11

Method for detecting a spectrum, and spectroscopy assembly

#12
20230098156
2023-03-30

METHOD AND APPARATUS FOR DETERMINING MARKERS OF HEALTH BY ANALYSIS OF BLOOD

#13
20230078567
2023-03-16

Transmission corrected plasma emission using in-situ optical reflectometry

#14
20230069662
2023-03-02

Optical sensor for examining valuable documents

#15
20230037873
2023-02-09

Optical sample characterization

#16
20230028946
2023-01-26

Method and apparatus for determining a reflectance of a target object

#17
20220260488
2022-08-18

Optically Transparent And Quasi-Transparent Reflectarrays For 5g Applications

#18
20220163447
2022-05-26

System and Method for Determining the Reflectance of A Reflector of A Lamp of A Motor Vehicle

#19
20220146423
2022-05-12

Apparatus and method for measuring the reflectivity or transmittivity of an optical surface

#20
20220120726
2022-04-21

Method of testing crystallinity in amorphous pharmaceutical compositions

#21
20220074856
2022-03-10

Method and apparatus for determining a reflectivity value indicating a reflectivity of an object

#22
20220065780
2022-03-03

Fluid composition sensor device and method of using the same

#23
20210302326
2021-09-30

Inspection method and inspection system for pillar-shaped honeycomb structure

#24
20210124259
2021-04-29

Method and apparatus for determining an effect of one or more pixels to be introduced into a substrate of a photolithographic mask

#25
20210010934
2021-01-14

Polymer resin orientation evaluation method

#26
20200378967
2020-12-03

Ligand binding assay for detecting gibberellins

#27
20200371037
2020-11-26

SKINPRINT ANALYSIS METHOD AND APPARATUS

#28
20200158634
2020-05-21

Optically transparent and quasi-transparent reflectarrays for 5G applications

#29
20190277760
2019-09-12

Specular variable angle absolute reflectance method and reflectometer

#30
20190162650
2019-05-30

OPTICAL MONITORING OF TARGET CHARACTERISTICS

#31
20190086323
2019-03-21

Surface condition monitoring apparatus

#32
20190039843
2019-02-07

Clear card sensors

#33
20180364150
2018-12-20

OPTICAL MONITORING OF TARGET CHARACTERISTICS

#34
20180217175
2018-08-02

Analysis device and analysis method

#35
20180217054
2018-08-02

Concentration measurement device

#36
20180136193
2018-05-17

Method and apparatus for determining markers of health by analysis of blood

#37
20180106717
2018-04-19

Measuring a size distribution of nucleic acid molecules in a sample

#38
20170097601
2017-04-06

Sheet discriminator and image forming apparatus incorporating the sheet discriminator

#39
20160303560
2016-10-20

Apparatus for analyte examination

#40
20160280486
2016-09-29

Clear card sensors

#41
20160198985
2016-07-14

Attenuated total reflection spectroscopic analysis apparatus having device for measuring specimen contact area and method of operating the same

#42
20150316489
2015-11-05

Systems and methods eliminating false defect detections

#43
20150316442
2015-11-05

Method of evaluating optical characteristics of transparent substrate

#44
20150293487
2015-10-15

Sheet discriminator and image forming apparatus incorporating the sheet discriminator

#45
20150226668
2015-08-13

Imaging apparatus and method

#46
20150103352
2015-04-16

Scanning optical microscope

#47
20140320859
2014-10-30

MEASUREMENT APPARATUS AND METHOD

#48
20140264038
2014-09-18

Tomography apparatus and electromagnetic pulse transmitting apparatus

#49
20140146305
2014-05-29

Spectrophotometer for the automated optical characterization of solar collector tubes and method for the operation thereof

#50
20140008543
2014-01-09

Eyeglass rating with respect to protection against UV hazard

#51
20130341523
2013-12-26

Eyeglass rating with respect to protection against UV hazard

#52
20130288922
2013-10-31

Arrayed detector system for measurement of influenza immune response

#53
20130203043
2013-08-08

Portable rapid diagnostic test reader

#54
20120241596
2012-09-27

Multi-technique imaging system using vertical motion of stage to switch imaging techniques

#55
20120207381
2012-08-16

Systems and methods eliminating false defect detections

#56
20090279773
2009-11-12

Imaging apparatus and method

#57
20090275016
2009-11-05

Arrayed imaging reflectometry (air) sensor chip comprising influenza hemagglutinin (HA) polypeptides suitable for the detection of antiviral immune responses

#58
20090027655
2009-01-29

System and method for measurement of degree of moisture stratification in a paper or board

#59
20080283757
2008-11-20

Method and system for measuring optical properties of scattering and absorbing materials

#60
20070258093
2007-11-08

Apparatus and method for angular colorimetry

#61
20060256351
2006-11-16

Measuring instrument, in particular for transmission measurement in vacuum system

#62
20060114454
2006-06-01

Optical claibration method

#63
20060023202
2006-02-02

Portable device for measuring the light intensity from an object, and the use of such a device

#64
20050006585
2005-01-13

System and method for correction for angular spread in determining optical properties of materials

#65
17307797
2026-03-31

Systems and methods for measuring transient surface reflectivity of an optically excited sample

#66
16280954
2020-03-24

Retroreflective optical system and methods