Patents-Review.com
ClassID:

167788 ⎘

G01N2021/217 - 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; Polarisation-affecting properties Measuring depolarisation or comparing polarised and depolarised parts of light

Recent Application in this class:
#1
20250011968
2025-01-09

METHODS FOR DETERMINING SUITABILITY OF SILICON SUBSTRATES FOR EPITAXY

 #2
20240240986
2024-07-18

DEVICES AND METHODS FOR DETERMINING POLARIZATION CHARACTERISTICS FROM PARTIAL POLARIMETRY

 #3
20220403548
2022-12-22

Methods for determining suitability of silicon substrates for epitaxy

 #4
20220120688
2022-04-21

OPTICAL READER AND METHOD OF ANALYZING BIOLOGICAL SAMPLES

 #5
20210055232
2021-02-25

Evaluation method of silicon wafer

 #6
20200088583
2020-03-19

Polarization change detection

 #7
20180302605
2018-10-18

Three-dimensional inspection

 #8
20180252695
2018-09-06

Spectroscopic tissue analysis apparatus and methods

 #9
20180020921
2018-01-25

SYSTEM, METHOD AND APPLICATIONS INVOLVING IDENTIFICATION OF BIOLOGICAL CIRCUITS SUCH AS NEUROLOGICAL CHARACTERISTICS

 #10
20170336263
2017-11-23

Reflected light detecting device and reflected light detecting method

 #11
20160202165
2016-07-14

Device and method for optically determining particle properties

 #12
20150151938
2015-06-04

Sheet discriminator, image forming apparatus incorporating same, and image forming system incorporating same to distinguish sheet types

 #13
20150015882
2015-01-15

Sensor device and image forming apparatus

 #14
20140285803
2014-09-25

System and method of analysis by determining a depolarizing or dichroic character of an object

 #15
20130284920
2013-10-31

System, method and applications involving identification of biological circuits such as neurological characteristics

 #16
20120026497
2012-02-02

Polarization switching lidar device and method

 #17
20110181881
2011-07-28

Polarization switching lidar device and method

 #18
20090195779
2009-08-06

System for scatterometric measurements and applications

 #19
20080227139
2008-09-18

System, method and applications involving identification of biological circuits such as neurological characteristics

 #20
20080084567
2008-04-10

System for scatterometric measurements and applications

 #21
20070229852
2007-10-04

Systems and methods for measuring one or more characteristics of patterned features on a specimen

 #22
20070146632
2007-06-28

Advanced polarization imaging method, apparatus, and computer program product for retinal imaging, liquid crystal testing, active remote sensing, and other applications

 #23
20070024849
2007-02-01

Wavelength normalized depolarization ratio lidar

 #24
20050274901
2005-12-15

System for scatterometric measurements and applications

 #25
20050051743
2005-03-10

Optical object identifying device and printing apparatus