Patents-Review.com
ClassID:

205799 ⎘

H01J2201/30461 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Cold cathodes; Field emission cathodes characterised by the emitter material; Carbon types Graphite

Recent Application in this class:
#1
20220216026
2022-07-07

Electron emission device and electron microscope

 #2
20210193425
2021-06-24

Electron emission source based on graphene layer and method for making the same

 #3
20210057729
2021-02-25

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #4
20210050590
2021-02-18

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #5
20190198279
2019-06-27

Surface-tunneling micro electron source and array and realization method thereof

 #6
20190190015
2019-06-20

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #7
20190190014
2019-06-20

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #8
20190190013
2019-06-20

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #9
20150380728
2015-12-31

Composite, electrochemical active material composite using the composite, electrode including the composite or electrochemical active material composite, lithium battery including the electrode, field emission device including the composite, biosensor including the composite, semiconductor device including the composite, and thermoelectric device including the composite

 #10
20150206692
2015-07-23

Electron emission device and electron emission display

 #11
20150206691
2015-07-23

Electron emission device and electron emission display

 #12
20150206689
2015-07-23

Electron emission source

 #13
20150060758
2015-03-05

Field emission devices and methods of manufacturing emitters thereof

 #14
20140263166
2014-09-18

Graphene base and method of preparing the same

 #15
20130334410
2013-12-19

Monolayer and/or few-layer graphene on metal or metal-coated substrates

 #16
20130224452
2013-08-29

METAL NANOPARTICLE-GRAPHENE COMPOSITES AND METHODS FOR THEIR PREPARATION AND USE

 #17
20120090986
2012-04-19

Method of fabricating composite field emission source

 #18
20110033677
2011-02-10

Graphene base and method of preparing the same

 #19
20100255984
2010-10-07

Monolayer and/or Few-Layer Graphene On Metal or Metal-Coated Substrates

 #20
20090167147
2009-07-02

Composite field emission source