ClassID:

167806

G01N21/3103 - 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; Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands; Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry Atomic absorption analysis

Sub-classes:
Recent Application in this class:
#1
20260153437
2026-06-04

MULTISPECTRAL PLASMONIC SENSOR ARRAY FOR CHIRAL MOLECULE DETECTION

#2
20260132421
2026-05-14

CHARACTERIZATION OF IMPURITIES IN ADENO-ASSOCIATED VIRUS (AAV) SAMPLES AND FORMULATION COMPOSITIONS TO STABILIZE AAV

#3
20260118259
2026-04-30

Method and Apparatus for Measuring Absorption Coefficient of a Medium

#4
20260110721
2026-04-23

Quantum Spectrum Sensing Networks

#5
20260110628
2026-04-23

Optical System for Optical Examination of a Test Sample

#6
20260029390
2026-01-29

SYSTEM FOR ACCURATE TUNABLE DIODE LIDAR GAS DETECTION

#7
20260002870
2026-01-01

Gas Absorption Spectroscopy System and Gas Absorption Spectroscopy Method

#8
20250383234
2025-12-18

NO-REF-SIGNAL SLOPE SPECTROSCOPIC MEASUREMENT

#9
20250369876
2025-12-04

BREATH ANALYSIS WITH CAVITY-ENHANCED DIRECT FREQUENCY-COMB SPECTROSCOPY

#10
20250354922
2025-11-20

Optical Device for Monitoring the Silver Content of Thin Films

#11
20250354921
2025-11-20

OIL DIAGNOSIS METHOD AND OIL DIAGNOSIS SYSTEM

#12
20250321202
2025-10-16

COMPONENT CONCENTRATION MEASUREMENT APPARATUS

#13
20250297957
2025-09-25

DETECTING A BUBBLE IN A FLUID PATH

#14
20250290848
2025-09-18

Portable Detection and Quantification Method for Delta 9 THC

#15
20250258098
2025-08-14

VARIABLE MICROFLUDIC OPTICAL FILTERS, HYPERSPECTRAL IMAGING SYSTEMS, AND METHODS OF HYPERSPECTRAL IMAGING INCORPORATING VARIABLE MICROFLUDIC OPTICAL FILTERS

#16
20250224329
2025-07-10

SUBSTRATE EVALUATION METHOD AND SUBSTRATE PROCESSING APPARATUS

#17
20250198914
2025-06-19

ATOMIC ABSORPTION SPECTROPHOTOMETER

#18
20250180467
2025-06-05

High-throughput single-molecule photoacoustic absorption spectroscopy with nanomechanical oscillators

#19
20250085607
2025-03-13

ON-CHIP PHOTONIC ULTRA-SHORT-PULSE SYNTHESIZER

#20
20250085217
2025-03-13

Device for collaborative detection of carbon and nitrogen emissions and method thereof

#21
20250035601
2025-01-30

CHEMICAL ANALYSIS PROCESS IN GAS PHASE

#22
20240426745
2024-12-26

Methods of characterizing a urine sample

#23
20240393236
2024-11-28

SYSTEMS AND METHODS FOR IDENTIFYING SUBSTANCES CONTAINED IN A SAMPLE

#24
20240377412
2024-11-14

METHODS OF ASSESSING ANTIBODY-DRUG CONJUGATES

#25
20240319202
2024-09-26

METHOD FOR EVALUATING AGGREGATION STATE OF AGGREGATIVE PROTEIN

#26
20240295475
2024-09-05

PORTABLE COMPOUND TRACE DETECTION DEVICE

#27
20240264080
2024-08-08

Handheld object assessment system and method

#28
20240264073
2024-08-08

Harmonics microscope for measuring glycated hemoglobin fraction of single red blood cell

#29
20240241042
2024-07-18

SUBSTRATE PROCESSING DEVICE AND METHOD FOR MEASURING PROCESS GAS TEMPERATURE AND CONCENTRATION

#30
20240219298
2024-07-04

QUANTIFICATION OF TARGET ANALYTE BASED ON MULTI-LAYER MULTI-VARIANT SPECTRA ANALYSIS FOR SPECTROSCOPIC ANALYZERS

#31
20240201077
2024-06-20

Phase-Resolved Optical Metrology for Substrates

#32
20240192130
2024-06-13

Measurement of dissolved oxygen using optical radiation induced luminescence

#33
20240175810
2024-05-30

Gas sensing device

#34
20240167877
2024-05-23

SINGLE-DETECTOR DOUBLE-PATH INTENSITY-MODULATION SPECTROMETER

#35
20240159657
2024-05-16

APPARATUS FOR MEASURING RADICAL DENSITY DISTRIBUTION BASED ON LIGHT ABSORPTION AND OPERATING METHOD THEREOF

#36
20240110864
2024-04-04

PREDICTIVE DIAGNOSTIC TEST FOR EARLY DETECTION AND MONITORING OF DISEASES

#37
20240110832
2024-04-04

Method and Apparatus for Spectrophotometry of Turbid Media

#38
20240077414
2024-03-07

URINE ANALYSIS

#39
20240068936
2024-02-29

ADAPTIVE CHARACTERISTIC SPECTRAL LINE SCREENING METHOD AND SYSTEM BASED ON ATOMIC EMISSION SPECTRUM

#40
20240044758
2024-02-08

PORTABLE COMPOUND TRACE DETECTION DEVICE

#41
20240019356
2024-01-18

AN OPTICAL ABSORBANCE SPECTROMETER, OPTICAL DEVICE AND METHOD OF OPTICAL ABSORBANCE SPECTROMETRY

#42
20230408399
2023-12-21

Optoacoustic Fluid Sensing Apparatus

#43
20230400405
2023-12-14

COMPACT HIGH RESOLUTION MONOCHROMATIC LIGHT SOURCE FOR FLUID SAMPLE CONCENTRATION MEASUREMENT

#44
20230375407
2023-11-23

NO-REF-SIGNAL SLOPE SPECTROSCOPIC MEASUREMENT

#45
20230366808
2023-11-16

METHOD FOR INSTALLING ONE OR MORE OPTICAL ELEMENTS IN A HOUSING

#46
20230324287
2023-10-12

ATOMIC ABSORPTION SPECTROPHOTOMETER

#47
20230324282
2023-10-12

OPTICAL MEASURING CELL

#48
20230160813
2023-05-25

Device and method for simultaneously measuring mercury, cadmium, zinc and lead

#49
20230098004
2023-03-30

ELECTROMAGNETIC CONTROL OF ABSORPTION AND SUPPRESSION OF SPECTRAL ARTIFACTS

#50
20230096718
2023-03-30

OPTOELECTRONIC DEVICE AND METHOD

#51
20230042518
2023-02-09

Portable Cannabidiol Testing Device

#52
20230026156
2023-01-26

Protein quantitation device

#53
20220390278
2022-12-08

SPECTRAL ANALYSIS VISUALIZATION SYSTEM AND METHOD

#54
20220364984
2022-11-17

Method and apparatus for analyzing gaseous samples

#55
20220313300
2022-10-06

Methods And Systems For Analyzing Surgical Smoke Using Atomic Absorption Spectroscopy

#56
20220276156
2022-09-01

Methods of characterizing a urine sample

#57
20220268628
2022-08-25

DEVICES, SYSTEMS, AND METHODS FOR SPECTROSCOPY HAVING AN ADJUSTABLE PATHLENGTH

#58
20220252508
2022-08-11

LIGHT EMITTING APPARATUS, LIGHT EMITTING METHOD, SPECTROMETER AND SPECTRUM DETECTION METHOD

#59
20220236170
2022-07-28

Measurement of dissolved oxygen using optical radiation induced luminescence

#60
20220221397
2022-07-14

GAS DETECTION SYSTEM

#61
20220205908
2022-06-30

Cellulose composite determination method and apparatus for composite resin

#62
20220187200
2022-06-16

Quantum entanglement-based detection system (QE-bDS)

#63
20220170848
2022-06-02

Amplified multiplex absorption spectroscopy

#64
20220155226
2022-05-19

Optical analysis chip

#65
20220136964
2022-05-05

ATOMIC ABSORPTION SPECTROMETER

#66
20220136073
2022-05-05

CHARACTERIZATION OF IMPURITIES IN ADENO-ASSOCIATED VIRUS (AAV) SAMPLES AND FORMULATION COMPOSITIONS TO STABILIZE AAV

#67
20220120676
2022-04-21

MULTISPECTRAL SAMPLE ANALYSIS USING ABSORPTION SIGNATURES

#68
20220107265
2022-04-07

Methods and Apparatuses for Spectrophotometric Determination of Contents and Turbidity of a Liquid Sample

#69
20220026410
2022-01-27

Serum color as biomarker of digestive efficiency of poultry

#70
20220026371
2022-01-27

Gemstone colour grading process and grading system

#71
20210318233
2021-10-14

In situ apparatus for furnace off-gas constituent and flow velocity measurement

#72
20210310959
2021-10-07

MEANS AND METHODS FOR DETECTION AND CHARACTERIZATION OF SPECTRALLY STRUCTURED, CONTINUOUSLY CHANGING, DIFFUSE RADIATION SOURCES

#73
20210302306
2021-09-30

Spectroscopic analysis device and operation method and non-transitory computer-readable medium (CRM) storing program for spectroscopic analysis

#74
20210293765
2021-09-23

Detection reagent, detection device, and method for detecting primary amide compound

#75
20210285885
2021-09-16

Analytical nebulizer

#76
20210278342
2021-09-09

Device for measuring a flux of matter by absorption of light, and corresponding measuring method

#77
20210270728
2021-09-02

System, Apparatus and Method of Measuring Concentrations of Analytes

#78
20210199568
2021-07-01

Protein quantitation device

#79
20210181096
2021-06-17

System and method of determining issues with optical components

#80
20210179446
2021-06-17

IoT-based system for measurement of contamination distribution of contaminated groundwater through real-time monitoring of contamination degree of contaminated groundwater well for control of contaminated groundwater purification device and prediction of purification period based on measurement result

#81
20210172866
2021-06-10

METHODS OF ASSESSING ANTIBODY-DRUG CONJUGATES

#82
20210156794
2021-05-27

Signal augmentation method in spectroscopy device using vapor cell and spectroscopy device using the same

#83
20210151131
2021-05-20

MULTI-ANALYTE CONCENTRATION ESTIMATION FOR FIXED-WAVELENGTH SPECTROSCOPY

#84
20210132031
2021-05-06

Embedded excreta analysis device and related methods

#85
20210131952
2021-05-06

Portable detection and quantification method for delta 9 THC

#86
20210123915
2021-04-29

Method for detecting and treating colon cancer by measuring heavy metal concentrations

#87
20210080386
2021-03-18

LIGHT EMITTING APPARATUS, LIGHT EMITTING METHOD, SPECTROMETER AND SPECTRUM DETECTION METHOD

#88
20210059585
2021-03-04

ON-CHIP INTEGRATED MULTI-WAVELENGTHS BIOLOGICAL SENSING DEVICE

#89
20200393335
2020-12-17

Autosampler

#90
20200256789
2020-08-13

Detection of compounds in material samples utilizing a transformation and subsequent decomposition

#91
20200225148
2020-07-16

Atomic absorption spectrophotometer and atomic absorption measurement method

#92
20200210651
2020-07-02

Analysis device, program for an analysis device and analysis method

#93
20200189309
2020-06-18

Encoding method and decoding method using metal nanostructures

#94
20200182779
2020-06-11

Gas analysis system

#95
20200166464
2020-05-28

Atomic absorption spectrophotometer

#96
20200166454
2020-05-28

Method and measurement system for determining foreign gases in ethylene

#97
20200158648
2020-05-21

Flame atomic absorption spectrophotometer

#98
20200132659
2020-04-30

Methods and devices for detecting mercury isotopes in crude oil

#99
20200116628
2020-04-16

Methods of characterizing a urine sample

#100
20200011804
2020-01-09

Tube furnace device for an atomizing furnace

#101
20200003755
2020-01-02

NON-INVASIVE AND MINIMALLY-INVASIVE DETECTION OF SERUM IRON IN REAL TIME

#102
20200003682
2020-01-02

System and method for structural characterization of materials by supervised machine learning-based analysis of their spectra

#103
20200003681
2020-01-02

Method of single pulse detection of the real and imaginary components of the nonlinear susceptibility to detect molecular dynamics via the geometric phase effect

#104
20190360923
2019-11-28

System and method for monitoring atomic absorption during a surface modification process

#105
20190346370
2019-11-14

Method and system for characterizing an aggregate sample by using laser-induced breakdown spectroscopy

#106
20190324373
2019-10-24

Quality inspection method for chemical liquid

#107
20190323952
2019-10-24

Apparatuses and methods for alkali spectroscopy

#108
20190302084
2019-10-03

METHOD, DEVICE AND APPARATUS FOR MONITORING HALOGEN LEVELS IN A BODY OF WATER

#109
20190301931
2019-10-03

Portable multi-spectrometry system for chemical and biological sensing in atmospheric air

#110
20190232457
2019-08-01

Polishing apparatuses and polishing methods

#111
20190212257
2019-07-11

Methods for analyzing ultra-trace amounts of metals in liquids

#112
20190170639
2019-06-06

Methods of characterizing a urine sample

#113
20190154656
2019-05-23

Bio-information estimation apparatus and bio-information estimation method

#114
20190154649
2019-05-23

Method, device and apparatus for monitoring halogen levels in a body of water

#115
20190107484
2019-04-11

Protein quantitation device

#116
20190094118
2019-03-28

Microfluidic separation from water and direct optical detection of chlorine

#117
20190083981
2019-03-21

Apparatus for analyte examination

#118
20190079005
2019-03-14

Methods of assessing antibody-drug conjugates

#119
20190047109
2019-02-14

Polishing apparatuses

#120
20190041336
2019-02-07

ISOTOPIC MEASURING DEVICE

#121
20190025284
2019-01-24

Methods for the detection of oxidative adulterants in urine sample

#122
20190025211
2019-01-24

Method and system for screening nanoparticle, and nanoparticle and method of producing the same

#123
20190025200
2019-01-24

Methods for determining transition metal compound concentrations in multicomponent liquid systems

#124
20190011353
2019-01-10

Measuring device

#125
20180364156
2018-12-20

System and method for monitoring atomic absorption during a surface modification process

#126
20180335408
2018-11-22

COMBINED FLUORESCENCE AND ABSORPTION DETECTOR FOR ON-COLUMN DETECTION AFTER CAPILLARY SEPARATION TECHNIQUES

#127
20180313763
2018-11-01

Optical detection of tracer gases in a gas discharge cell having unexposed electrodes

#128
20180306709
2018-10-25

Methods for colorimetric analysis

#129
20180267007
2018-09-20

Method, device and apparatus for monitoring halogen levels in a body of water

#130
20180224334
2018-08-09

High accuracy absorbance spectrophotometers

#131
20180217121
2018-08-02

Method for determining a mixing ratio of N organic, miscible components in a mixture of said components and use of an inorganic marker

#132
20180217061
2018-08-02

Hand-held laser biosensor

#133
20180217060
2018-08-02

Portable laser biosensor

#134
20180217054
2018-08-02

Concentration measurement device

#135
20180217053
2018-08-02

Concentration measurement device

#136
20180180538
2018-06-28

Detecting moisture in solar cells

#137
20180172517
2018-06-21

System for analyzing electromagnetic radiation, and device for producing same

#138
20180149585
2018-05-31

In-vitro biological valve calcification evaluation method and reducing calcium ingredient solution

#139
20180149522
2018-05-31

Calibration of a spectral analysis module

#140
20180120086
2018-05-03

Sagnac fourier spectrometer (SAFOS)

#141
20180067136
2018-03-08

Method for treating a cancer patient based on atomic therapeutic indexes and non-radiation therapy

#142
20180003625
2018-01-04

Portable device for the in-line measurement of the hydrogen sulfide concentration of an off-gas

#143
20170363471
2017-12-21

Multi-scan optical system

#144
20170328832
2017-11-16

Distributed gas detection system and method

#145
20170322147
2017-11-09

Atomic absorption photometer and atomic absorption measurement method

#146
20170307551
2017-10-26

Sample-analyzing system

#147
20170307519
2017-10-26

Sample cell

#148
20170269058
2017-09-21

Methods for the detection of oxidative adulterants in urine sample

#149
20170199119
2017-07-13

Absorption analyzer

#150
20170191929
2017-07-06

Spectral modeling for complex absorption spectrum interpretation

#151
20170110309
2017-04-20

Oxidation resistant induction devices

#152
20170102322
2017-04-13

Gas sampling cell

#153
20170097344
2017-04-06

Portable instrument for in vitro detection and quantification of biomarkers

#154
20170003211
2017-01-05

Method for measuring diffusion performance of acid dye in color paste

#155
20160161401
2016-06-09

Capillary absorption spectrometer and process for isotopic analysis of small samples

#156
20160153898
2016-06-02

Decomposition detecting unit, concentration measuring unit, and concentration control apparatus

#157
20160153896
2016-06-02

Laser gas analyzer

#158
20160146727
2016-05-26

METHODS AND SYSTEMS OF COMPUTATIONAL ANALYSIS FOR PREDICTING CHARACTERISTICS OF COMPOUND

#159
20160146721
2016-05-26

Open path optical sensing system having an ultrasonic cleaner and method

#160
20160139040
2016-05-19

Biodiesel detector

#161
20160131561
2016-05-12

Rapid quantitative element testing

#162
20160124112
2016-05-05

Fluid analyzer using absorption spectroscopy

#163
20160123946
2016-05-05

System for analyzing mercury

#164
20160115538
2016-04-28

Methods and Systems for Using Photoswitchable Nucleic Acids to Control Hybridization Stringency

#165
20160077076
2016-03-17

On-line wet chemistry analyzer

#166
20160069795
2016-03-10

Ultra stable resonant cavity for gas analysis systems

#167
20160069756
2016-03-10

Contact pressure measuring apparatus, method of manufacturing the same and method of measuring contact pressure

#168
20160054275
2016-02-25

Method for extending the dynamic range of absorbance detectors

#169
20160033391
2016-02-04

Mercury monitor

#170
20160025626
2016-01-28

SILICON PHOTONIC CRYSTAL NANOBEAM CAVITY WITHOUT SURFACE CLADDING AND INTEGRATED WITH MICRO-HEATER FOR SENSING APPLICATIONS

#171
20160011101
2016-01-14

Spectroscopic quantification of extremely rare molecular species in the presence of interfering optical absorption

#172
20150362425
2015-12-17

Single molecule spectroscopy using photothermal tuning of optical microcavities

#173
20150351635
2015-12-10

Portable broadband diffuse optical spectroscopic imaging (DOSI) device for noninvasive tissue characterization

#174
20150338342
2015-11-26

Gas absorption spectroscopic system and gas absorption spectroscopic method

#175
20150338339
2015-11-26

CO2 concentration sensor

#176
20150323449
2015-11-12

Systems and methods for detecting gas leaks

#177
20150323447
2015-11-12

Apparatus and apparatus control method for the quantitative concentration determination of selected substances filtered out of a patient's body in a fluid

#178
20150293014
2015-10-15

Atomic absorption spectrophotometer and signal voltage optimization method used by the same

#179
20150276587
2015-10-01

METHOD AND APPARATUS FOR TWO POINT CALIBRATION OF A TUNABLE DIODE LASER ANALYZER

#180
20150276586
2015-10-01

MERCURY VAPOR TRACE DETECTION USING PRE-EXCITATION CAVITY RING DOWN SPECTROSCOPY

#181
20150268159
2015-09-24

Laser-type gas analyzer

#182
20150260646
2015-09-17

Laser gas analyzer

#183
20150253249
2015-09-10

Use of nanoparticles in the preparation of calibration standards

#184
20150048061
2015-02-19

Oxidation resistant induction devices

#185
20140283627
2014-09-25

Apparatus and method for liquid sample introduction

#186
20140220700
2014-08-07

Capillary absorption spectrometer and process for isotopic analysis of small samples

#187
20140125965
2014-05-08

Method and apparatus for quantitative analysis of samples by induced plasma (LIP)

#188
20140118734
2014-05-01

Atomizing furnace

#189
20140104616
2014-04-17

Method of measuring vapor flux density

#190
20130301045
2013-11-14

Atomic absorption spectrometer

#191
20130208262
2013-08-15

Method for monitoring fugitive gas emissions from the soil, via vertical concentration measurements

#192
20130201477
2013-08-08

ELEMENTARY ANALYSIS APPARATUS AND METHOD

#193
20130168294
2013-07-04

Controlling bitumen quality in solvent-assisted bitumen extraction

#194
20130059392
2013-03-07

Aggregation-induced emission luminogens for metal ion detection

#195
20130027697
2013-01-31

Multi-micro hollow cathode light source and atomic absorption sepctrometer

#196
20120194818
2012-08-02

Gas Analyzer for Measuring the Mercury Content of a Gas

#197
20120184039
2012-07-19

Method and system for analyzing concentrations of diverse mercury species present in a fluid medium

#198
20120169237
2012-07-05

Hollow cathode lamp elapsed time recording system

#199
20120140218
2012-06-07

Atomic absorption instrument

#200
20110273708
2011-11-10

Ultrasensitive detection of isotopes, chemical substances and biological substances using laser wave mixing detectors

#201
20110273260
2011-11-10

Oxidation resistant induction devices

#202
20110263032
2011-10-27

Testing mechanical hardware for wear and a composition

#203
20110253295
2011-10-20

Integrated optical vapor cell apparatus for precision spectroscopy

#204
20110248178
2011-10-13

Oxygen concentration measuring device

#205
20110212256
2011-09-01

DEPOSITION RATE CONTROL

#206
20110168913
2011-07-14

Phase locked sideband beams by bias modulation of an external cavity laser diode having a grating

#207
20110165315
2011-07-07

Flux monitor

#208
20110164248
2011-07-07

System and method for high precision isotope ratio destructive analysis

#209
20110149279
2011-06-23

APPARATUS AND METHOD FOR MEASURING THE MERCURY CONTENT OF A GAS

#210
20110128539
2011-06-02

METHOD FOR QUALITATIVE AND QUANTITATIVE DETERMINING ORGANIC COMPOUNDS OF PRECIOUS METALS IN VARIOUS COMPOSITION ROCKS

#211
20110122396
2011-05-26

Photonic measurement instrument using fiber optics

#212
20110026020
2011-02-03

Atomic absorption mercury analyzer

#213
20110007312
2011-01-13

SYSTEM AND METHOD FOR HIGH PRECISION ISOTOPE RATIO DESTRUCTIVE ANALYSIS

#214
20100201978
2010-08-12

Light source

#215
20100091277
2010-04-15

Atomic absorption spectrophotometer

#216
20100073675
2010-03-25

Atomic absorption spectrophotometer

#217
20090236544
2009-09-24

UV reactive spray chamber for enhanced sample introduction efficiency

#218
20090218483
2009-09-03

Analysis method and analysis apparatus

#219
20080302762
2008-12-11

Method for analyzing quartz member

#220
20080278710
2008-11-13

Integrated optical vapor cell apparatus for precision spectroscopy

#221
20080265145
2008-10-30

Optical element and optical measurement device using the optical element

#222
20080165534
2008-07-10

Light source

#223
20080152889
2008-06-26

Nano-Labeling

#224
20070008527
2007-01-11

Atomic absorption spectrometer

#225
20060038991
2006-02-23

Light source

#226
20050046851
2005-03-03

Miniature gas cell with folded optics

#227
19354548
2026-06-02

Spectroscopic method of cadmium estimation in aqueous samples

#228
19070900
2025-06-24

Neural network-based water quality monitoring device for marine ranch and deployment method thereof

#229
18788971
2024-12-03

Method, device, and system for detecting soil organic matter

#230
18786245
2025-06-24

Calibration for tuneable diode lidar gas detection

#231
17377112
2023-08-08

Inorganic passive coatings for atomic vapor cells

#232
16991115
2021-10-12

Inorganic passive coatings for atomic vapor cells

#233
16574263
2020-09-01

Handheld hemoglobin detecting device

#234
16186386
2020-02-11

Detection of compounds in material samples utilizing a transformation and subsequent decomposition

#235
16173316
2020-09-15

Inorganic passive coatings for atomic vapor cells

#236
16042539
2019-06-25

Real time spatial mapping of atmospheric gas distributions

#237
14834508
2017-11-21

Systems and methods for detecting the presence of a contaminant

#238
14620807
2016-01-26

Alignment flange mounted optical window for a laser gas analyzer