ClassID:

167756

G01N2021/1748 - 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 Comparative step being essential in the method

Sub-classes:
Recent Application in this class:
#1
20260126375
2026-05-07

RAPID DEAMIDATION SCREENING

#2
20260110628
2026-04-23

Optical System for Optical Examination of a Test Sample

#3
20250389669
2025-12-25

HIDING POWER EVALUATION METHOD

#4
20250347560
2025-11-13

METHOD FOR PREDICTING DRY PAINT COLOR VALUE FROM LIQUID PAINT COLOR VALUE

#5
20250343869
2025-11-06

MEDICAL SPECTROSCOPY AND IMAGING ANALYSIS

#6
20250208038
2025-06-26

MEASURING ARRANGEMENTS AND METHODS FOR THE DETECTION OF TRACE GASES IN A SAMPLE GAS

#7
20250102989
2025-03-27

DETERMINATION DEVICE AND IMAGE FORMING APPARATUS

#8
20240418645
2024-12-19

SEMICONDUCTOR MEASUREMENT APPARATUS

#9
20240402083
2024-12-05

METHODS AND APPARATUSES FOR MEASURING FLUID COMPOSITION AND TURBIDITY

#10
20240031514
2024-01-25

MEDICAL SPECTROSCOPY AND IMAGING ANALYSIS

#11
20230385383
2023-11-30

REDUCED FALSE POSITIVE IDENTIFICATION FOR SPECTROSCOPIC QUANTIFICATION

#12
20230296498
2023-09-21

Dryness detection method and dryness detection apparatus

#13
20230002801
2023-01-05

OFFLINE AND INLINE DETERMINATION OF CONCENTRATION OF METABOLITES IN CELL CULTURE FLUID

#14
20210215597
2021-07-15

Reduced false positive identification for spectroscopic quantification

#15
20210116364
2021-04-22

Method and apparatus for indetification of counterfeit drugs, pharmaceuticals, or medicines

#16
20210003503
2021-01-07

Laser absorption spectroscopy isotopic gas analyzer

#17
20200386610
2020-12-10

Sensor arrangement

#18
20200319098
2020-10-08

Optical absorption spectroscopy based gas analyzer systems and methods

#19
20200300757
2020-09-24

Optical absorption spectroscopy based gas analyzer systems and methods

#20
20200256791
2020-08-13

Optical absorption spectroscopy based gas analyzer systems and methods

#21
20200209151
2020-07-02

Optical absorption spectroscopy based gas analyzer systems and methods

#22
20200191709
2020-06-18

Optical absorption spectroscopy based gas analyzer systems and methods

#23
20200009853
2020-01-09

In situ monitoring of direct ink write process using electromagnetic resonant coupling

#24
20190323955
2019-10-24

Optical absorption spectroscopy based gas analyzer systems and methods

#25
20190271641
2019-09-05

Optical absorption spectroscopy based gas analyzer systems and methods

#26
20190265160
2019-08-29

Optical absorption spectroscopy based gas analyzer systems and methods

#27
20190265159
2019-08-29

Laser absorption spectroscopy isotopic gas analyzer

#28
20190234866
2019-08-01

Reduced false positive identification for spectroscopic quantification

#29
20190212258
2019-07-11

Monitoring of compounds

#30
20190161197
2019-05-30

Method for detecting the presence of ice crystals in an environment

#31
20190094135
2019-03-28

Method for determining a value quantifying the effect of an optical filter on a parameter linked to an eye

#32
20190025219
2019-01-24

Method and apparatus for indetification of counterfeit drugs, pharmaceuticals, or medicines

#33
20190025203
2019-01-24

Optical absorption spectroscopy based gas analyzer systems and methods

#34
20190025201
2019-01-24

Method of measuring the ratio of isotopologue concentrations in the gas phase

#35
20190025199
2019-01-24

Laser absorption spectroscopy isotopic gas analyzer

#36
20180188189
2018-07-05

Inspection apparatus and inspection method using the same

#37
20180024074
2018-01-25

DEVICES AND METHODS FOR DETECTION OF COUNTERFEIT OR ADULTERATED PRODUCTS AND/OR PACKAGING

#38
20180011007
2018-01-11

Arrangement for measuring gas concentrations

#39
20170336321
2017-11-23

Method for determining the origin of a mixture of constituents by spectral analysis

#40
20170336264
2017-11-23

OPTOELECTRONIC DEVICE FOR MULTI-SPECTRAL SPECTROSCOPIC IDENTIFICATION OF THE POLYMER COMPOSITION OF AN UNKNOWN PLASTIC OBJECT AND RELATED METHODS

#41
20170299507
2017-10-19

LIQUID EXAMINATION DEVICE AND LIQUID EXAMINATION METHOD

#42
20170212040
2017-07-27

Polymer screening methods

#43
20170200658
2017-07-13

METHODS OF INSPECTING SUBSTRATES AND SEMICONDUCTOR FABRICATION METHODS INCORPORATING THE SAME

#44
20170167973
2017-06-15

METHOD FOR THE SPECTRAL IDENTIFICATION OF MICROORGANISMS

#45
20170146448
2017-05-25

Ensuring stable, precise, and accurate optical absorption spectroscopic trace gas concentration measurements in the presence of time-varying etalons

#46
20170138837
2017-05-18

Sample analyzer and recording medium recording sample analysis program

#47
20170030878
2017-02-02

Adulterated peanut oil detector and adulterated peanut oil detection method

#48
20160372777
2016-12-22

METHOD FOR DETERMINING THE STATE OF CHARGE OF A VANADIUM REDOX FLOW BATTERY

#49
20160319106
2016-11-03

Compositions including a polythiol, an unsaturated compound, and a dye and methods relating to such compositions

#50
20160238521
2016-08-18

Simultaneous monitoring of fibrinogen and haematocrit in whole blood

#51
20150153276
2015-06-04

Reflection characteristic measuring apparatus

#52
20140219885
2014-08-07

Method for fast test strip intensity recognition

#53
20110187809
2011-08-04

Image forming apparatus for forming image on record medium

#54
20110134423
2011-06-09

ADULTERATED PEANUT OIL DETECTOR AND ADULTERATED PEANUT OIL DETECTION METHOD

#55
20100229902
2010-09-16

Particle inspection and removal apparatus and particle inspection and removal program

#56
20100214568
2010-08-26

Image forming apparatus with a line sensor and a method of image forming of an image forming apparatus with a line sensor

#57
20100042348
2010-02-18

Calibration of optical analysis making use of multivariate optical elements

#58
20080253784
2008-10-16

Image forming apparatus with a laser record medium detecting device

#59
20080132418
2008-06-05

Method for the spectral identification of microorganisms

#60
20060232768
2006-10-19

Evaluating a multi-layered structure for voids

#61
20050186776
2005-08-25

Evaluating a multi-layered structure for voids

#62
20050112788
2005-05-26

Evaluating a multi-layered structure for voids

#63
16033279
2019-07-09

Method for inspecting the water content and oxygen transmissibility of an ophthalmic lens and optical inspecting system for inspecting an ophthalmic lens

#64
15690950
2018-11-13

Foreign substance analysis system

#65
15190633
2019-08-06

Identification of a reflective surface as being associated with a threat optic