ClassID:

175556

G02F2202/13 - CPC Classification

Classification description:

Materials and properties photorefractive

Recent Application in this class:
#1
20250180947
2025-06-05

Back Light Unit for Backlit Displays

#2
20240393639
2024-11-28

Back light unit for backlit displays

#3
20190294021
2019-09-26

Integrated optical transmission element

#4
20180045987
2018-02-15

Anti-glare device and rearview mirror

#5
20160356936
2016-12-08

Phase difference element having birefringent film containing titanium oxide tantalum oxide

#6
20130272718
2013-10-17

System and method for nonlinear self-filtering via dynamical stochastic resonance

#7
20120295069
2012-11-22

Phase-difference element having birefringent film containing TiO2 and Ta2O5

#8
20120288278
2012-11-15

PASSIVE OPTICAL SPLITTER AND PASSIVE OPTICAL NETWORK SYSTEM

#9
20120250133
2012-10-04

Ultrafast transient grating radiation to optical image converter

#10
20120033289
2012-02-09

Article using an optical device

#11
20100096603
2010-04-22

OPTICAL DEVICES RESPONSIVE TO NEAR INFRARED LASER AND METHODS OF MODULATING LIGHT

#12
20100020204
2010-01-28

System and method for nonlinear self-filtering via dynamical stochastic resonance

#13
20090219611
2009-09-03

Optical device and method

#14
20090219606
2009-09-03

DEVICE AND METHOD

#15
20090092746
2009-04-09

PHOTOREFRACTIVE COMPOSITIONS WITH NANOPARTICLES

#16
20070196047
2007-08-23

Method and apparatus for detecting multiple optical wave lengths

#17
20070025410
2007-02-01

CHG ring resonators

#18
20060279833
2006-12-14

Refractive index variable element

#19
20060221433
2006-10-05

Multi-stage optical switching device

#20
20060193026
2006-08-31

Spatial optical modulation element and spatial optical modulation method

#21
20060146388
2006-07-06

Spatial optical modulation element and spatial optical modulation method

#22
20060140535
2006-06-29

Optical switch

#23
20060114548
2006-06-01

Multi-stage optical switching device

#24
20060104568
2006-05-18

Optically induced refractive index modification in ferroelectric optical

#25
20060051022
2006-03-09

Method and apparatus for detecting multiple optical wave lengths

#26
18418311
2024-07-09

Back light unit for backlit displays