ClassID:

167932

G01N2021/479 - 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; Diffraction Speckle

Recent Application in this class:
#1
20260146942
2026-05-28

HYDROGEN CONCENTRATION MEASUREMENT METHOD

#2
20250334515
2025-10-30

BIOFILM THICKNESS MEASURING DEVICE

#3
20250128511
2025-04-24

INK JET PRINTER

#4
20240418702
2024-12-19

OPTICAL THROMBOELASTOGRAPHY SYSTEMS AND METHODS

#5
20240418645
2024-12-19

SEMICONDUCTOR MEASUREMENT APPARATUS

#6
20240342804
2024-10-17

Multi-Parameter Inspection Apparatus for Monitoring of Manufacturing Parts

#7
20240268672
2024-08-15

SPECKLE-BASED IMAGE DISTORTION CORRECTION FOR LASER SCANNING MICROSCOPY

#8
20240230531
2024-07-11

ACCURATE TURBIDITY MEASUREMENT SYSTEM AND METHOD, USING SPECKLE PATTERN

#9
20240133808
2024-04-25

ACCURATE TURBIDITY MEASUREMENT SYSTEM AND METHOD, USING SPECKLE PATTERN

#10
20240110868
2024-04-04

DEVICE FOR WATER EXAMINATION

#11
20230366816
2023-11-16

TURBIDIMETER

#12
20230314309
2023-10-05

Optical imaging system and method based on random light field spatial structure engineering

#13
20230307886
2023-09-28

WAVELENGTH STABILIZATION OF PULSED LASERS

#14
20230296510
2023-09-21

SYSTEM AND METHOD FOR SEPARATING VOLUMETRIC AND SURFACE SCATTERING OF OPTICAL COMPONENT

#15
20230258578
2023-08-17

Multi-parameter inspection apparatus for monitoring of manufacturing parts using a polarization image detector

#16
20230130329
2023-04-27

PORTABLE SPECKLE IMAGING SYSTEM AND METHOD FOR AUTOMATED SPECKLE ACTIVITY MAP BASED DYNAMIC SPECKLE ANALYSIS

#17
20230067015
2023-03-02

SYSTEMS AND METHODS FOR ANTIBACTERIAL SUSCEPTIBILITY TESTING USING DYNAMIC LASER SPECKLE IMAGING

#18
20230030157
2023-02-02

Speckle detection systems, image capturing devices and methods

#19
20220326132
2022-10-13

Device for water examination

#20
20220317104
2022-10-06

Device for water examination

#21
20220079448
2022-03-17

Apparatus, devices and methods for obtaining omnidirectional viewing by a catheter

#22
20220066211
2022-03-03

Speckle-reduced direct-retina holographic projector including multiple spatial light modulators

#23
20220054013
2022-02-24

Speckle-based image distortion correction for laser scanning microscopy

#24
20210356408
2021-11-18

Multi-parameter inspection apparatus for monitoring of additive manufacturing parts

#25
20210293595
2021-09-23

Systems and methods for calibrating and correcting a speckle contrast flowmeter

#26
20210270736
2021-09-02

DIFFRACTIVE BIOSENSOR

#27
20210247621
2021-08-12

Method for Acquiring Image, Structured Light Assembly, and Electronic Device

#28
20210232221
2021-07-29

Method and system for eye tracking using speckle patterns

#29
20210172883
2021-06-10

SYSTEM AND METHOD FOR PASSIVELY MONITORING A SAMPLE

#30
20210018745
2021-01-21

IMAGING APPARATUS AND IMAGING METHOD

#31
20200393362
2020-12-17

Acoustic-optical imaging system

#32
20200371018
2020-11-26

Photoacoustic excitation sensing enhanced by cross-correlated unfocused speckle images

#33
20200363394
2020-11-19

Optical thromboelastography systems and methods

#34
20200363264
2020-11-19

Laser speckle reduction and photo-thermal speckle spectroscopy

#35
20200348229
2020-11-05

Non-invasive scattering imaging method beyond memory effect range based on connected component optimization

#36
20200310099
2020-10-01

IMAGING VIA TRANSLATED SPECKLE ILLUMINATION AND TRANSLATED DIFFUSER MODULATION

#37
20200232915
2020-07-23

SPECKLE BASED SENSING OF ACOUSTIC EXCITATION IN SOLUTIONS

#38
20200158548
2020-05-21

Systems and methods for calibrating and correcting a speckle contrast flowmeter

#39
20200110025
2020-04-09

Multi-parameter inspection apparatus for monitoring of manufacturing parts

#40
20200072746
2020-03-05

Multi-channel coherent detection

#41
20200037896
2020-02-06

OPTICAL FLOW ANALYSIS METHOD AND DETECTION DEVICE

#42
20190391075
2019-12-26

Speckle detection systems, image capturing devices and methods

#43
20190365233
2019-12-05

System and method for determining audio characteristics from within a body

#44
20190339118
2019-11-07

System and method for detecting surface vibrations

#45
20190317045
2019-10-17

Method and apparatus to characterize pressurized liquid sample

#46
20190271854
2019-09-05

Speckle mitigation

#47
20190271537
2019-09-05

Multiscale deformation measurements leveraging tailorable and multispectral speckle patterns

#48
20190234911
2019-08-01

High resolution photoacoustic imaging in scattering media using structured illumination

#49
20190212276
2019-07-11

Pattern structure inspection device and inspection method

#50
20190212124
2019-07-11

System and method for use in depth characterization of objects

#51
20190154569
2019-05-23

Color imaging by discrete narrow-band synchronized illumination

#52
20190120753
2019-04-25

Method and apparatus for enhanced photo-thermal imaging and spectroscopy

#53
20190099089
2019-04-04

IMAGE ANALYSIS APPARATUS AND IMAGE ANALYSIS METHOD

#54
20190063908
2019-02-28

Non-contact and optical measuring automation system for the profile accuracy of disk cams and method thereof

#55
20190049354
2019-02-14

Laser speckle micro-rheology in characterization of biomechanical properties of tissues

#56
20190026581
2019-01-24

System for object authenticity detection including a reference image acquisition module and a user module and methods therefor

#57
20180372536
2018-12-27

System and method for detecting surface vibrations

#58
20180321219
2018-11-08

Method and device for optically detecting a movement in a biological sample

#59
20180321081
2018-11-08

SPECKLE IMAGING DEVICE, SPECKLE IMAGING SYSTEM, AND SPECKLE IMAGING METHOD

#60
20180292262
2018-10-11

LASER SPECKLE REDUCTION AND PHOTO-THERMAL SPECKLE SPECTROSCOPY

#61
20180266876
2018-09-20

System and method for detecting surface vibrations

#62
20180235474
2018-08-23

Imaging system for generating vibration region caused by ultrasound wave thereby to obtain optically-sectioned images

#63
20180235461
2018-08-23

Method and device for exposing at least one sectional face inside a light scattering object

#64
20180232630
2018-08-16

Automated accuracy-oriented model optimization system for critical dimension metrology

#65
20180202967
2018-07-19

Method and apparatus to characterize pressurized liquid sample

#66
20180192886
2018-07-12

Materials and methods for non-invasively measuring temperature distribution in the eye

#67
20180168453
2018-06-21

System and method for determining audio characteristics from within a body

#68
20180129282
2018-05-10

Method and system for eye tracking using speckle patterns

#69
20180100028
2018-04-12

Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation

#70
20180059018
2018-03-01

Authentication structure and authentication method using the same

#71
20180020962
2018-01-25

Compact low-cost fiberless diffuse speckle contrast flow-oximeter

#72
20180003557
2018-01-04

Speckle imaging device, speckle imaging system, and speckle imaging method

#73
20170332880
2017-11-23

Processing apparatus

#74
20170248518
2017-08-31

Laser speckle micro-rheology in characterization of biomechanical properties of tissues

#75
20170230557
2017-08-10

Imaging apparatus and image sensor

#76
20170143213
2017-05-25

Apparatus, devices and methods for obtaining omnidirectional viewing by a catheter

#77
20170131682
2017-05-11

Digital holographic method of measuring cellular activity and measuring apparatus with improved stability

#78
20170122930
2017-05-04

Optical thromboelastography systems and methods

#79
20170068865
2017-03-09

Method for characterizing material by analysis of speckles

#80
20160328848
2016-11-10

Methods and systems for laser speckle imaging of tissue using a color image sensor

#81
20160320176
2016-11-03

DIGITAL SHEAROGRAPHY NDT SYSTEM FOR SPECKLESS OBJECTS

#82
20160245718
2016-08-25

Systems and methods for optical scanning of fluid transport pipelines

#83
20160211647
2016-07-21

Laser system with reduced apparent speckle

#84
20160146731
2016-05-26

Method and apparatus for manipulating near field using light scattering

#85
20150369790
2015-12-24

Aggregated cell evaluation method and aggregated cell evaluation device

#86
20150330905
2015-11-19

Methods and apparatus for surface classification

#87
20150305681
2015-10-29

Optical blood-coagulation sensor

#88
20150276571
2015-10-01

Compensation for causes of temporal fluctuations of backscattered speckle patterns in laser speckle rheology of biological fluids

#89
20150002844
2015-01-01

Method and apparatus for manipulating near field using light scattering

#90
20140055775
2014-02-27

Material identification and discrimination

#91
20140049779
2014-02-20

Determining material properties using speckle statistics

#92
20120259046
2012-10-11

Scratch Resistant Polypropylene

#93
20120241596
2012-09-27

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

#94
20120236310
2012-09-20

Method and system for optical data acquisition and tomography imaging of a turbid medium object

#95
20110299064
2011-12-08

Deformation measuring apparatus and deformation measuring method

#96
20110279819
2011-11-17

Illumination subsystems of a metrology system, metrology systems, and methods for illuminating a specimen for metrology measurements

#97
20110240863
2011-10-06

METHODS AND APPARATUSES FOR MEASURING PHASE ROUGHNESS IN AN EXTREME ULTRAVIOLET MASK

#98
20110228263
2011-09-22

Illuminating a specimen for metrology or inspection

#99
20110210002
2011-09-01

Apparatus to measure particle mobility in solution with scattered and unscattered light

#100
20110170090
2011-07-14

Illumination system for optical inspection

#101
20110013002
2011-01-20

Laser speckle imaging systems and methods

#102
20110001972
2011-01-06

Method and equipment for detecting pattern defect

#103
20100277734
2010-11-04

Detecting and counting bacteria suspended in biological fluids

#104
20100097680
2010-04-22

Illumination system for optical inspection

#105
20090225307
2009-09-10

WAFER INSPECTION USING SHORT-PULSED CONTINUOUS BROADBAND ILLUMINATION

#106
20090073443
2009-03-19

Method and equipment for detecting pattern defect

#107
20080252896
2008-10-16

Image forming apparatus for forming image on record medium

#108
20080234586
2008-09-25

SYSTEM AND METHOD FOR PROVIDING NONINVASIVE DIAGNOSIS OF COMPARTMENT SYNDROME USING EXEMPLARY LASER SPECKLE IMAGING PROCEDURE

#109
20080212081
2008-09-04

High speed laser scanning inspection system

#110
20080123106
2008-05-29

Surface Roughness Measurement Methods and Apparatus

#111
20080106737
2008-05-08

Detecting and counting bacteria suspended in biological fluids

#112
20080054166
2008-03-06

DETACHABLY COUPLED IMAGE INTENSIFIER AND IMAGE SENSOR

#113
20080043233
2008-02-21

Method and device for the analysis of movement in a scattering medium

#114
20080002211
2008-01-03

SYSTEM, ARRANGEMENT AND PROCESS FOR PROVIDING SPECKLE REDUCTIONS USING A WAVE FRONT MODULATION FOR OPTICAL COHERENCE TOMOGRAPHY

#115
20070273945
2007-11-29

Wafer inspection using short-pulsed continuous broadband illumination

#116
20070146694
2007-06-28

Fiber optical illumination system

#117
20070121107
2007-05-31

Excimer laser inspection system

#118
20070052955
2007-03-08

Method and equipment for detecting pattern defect

#119
20070019856
2007-01-25

System for detection of wafer defects

#120
20070013903
2007-01-18

Apparatus for determining optimum position of focus of an imaging system

#121
20070008519
2007-01-11

Illumination system for optical inspection

#122
20060244958
2006-11-02

System for detection of wafer defects

#123
20060244957
2006-11-02

System for detection of wafer defects

#124
20060244956
2006-11-02

System for detection of wafer defects

#125
20060132758
2006-06-22

High speed laser scanning inspection system

#126
20060066843
2006-03-30

Optical inspection with alternating configurations

#127
20060007531
2006-01-12

Inspection system with oblique viewing angle

#128
20050253081
2005-11-17

Method and equipment for detecting pattern defect

#129
20050225752
2005-10-13

Evaluation method and device for gel state or sol-gel state change of object

#130
20050219518
2005-10-06

Dark field inspection system

#131
20050180707
2005-08-18

Fiber optical illumination system

#132
20050128473
2005-06-16

Method and apparatus for article inspection including speckle reduction

#133
20050110987
2005-05-26

System for detection of wafer defects

#134
20050045830
2005-03-03

Method and equipment for detecting pattern defect

#135
15824678
2018-12-11

Non-contact and optical measuring automation system for the surface roughness value of disk cams and method thereof