Cathodes heated directly by an electric current

Industry

CPC
H01J1/15

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J1/00Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps

Current Industry

H01J1/15Cathodes heated directly by an electric current

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Annular gap cathodes with graphite caps
- Patent number 12,057,285
- Issue date Aug 6, 2024
- Kimball Physics, Inc.
- George Douglas Calvey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for tuning work function using surface photo voltage and pro...
- Patent number 12,046,439
- Issue date Jul 23, 2024
- The Board of Trustees of the Leland Stanford Junior University
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for tuning work function using surface photovoltage and prod...
- Patent number 11,205,554
- Issue date Dec 21, 2021
- The Board of Trustees of the Leland Stanford Junior University
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission apparatus with superior structural stability and X-r...
- Patent number 11,195,684
- Issue date Dec 7, 2021
- AweXome Ray, Inc.
- Hong Soo Choi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Estimation of cathode space current for a thermionic vacuum tube us...
- Patent number 11,152,181
- Issue date Oct 19, 2021
- Panayotis Tsambos
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Receptacle for receiving a plug connector of a high-voltage cable f...
- Patent number 10,840,053
- Issue date Nov 17, 2020
- YXLON International GmbH
- Lothar Schultheis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum electron tube with planar cathode based on nanotubes or nano...
- Patent number 10,720,298
- Issue date Jul 21, 2020
- Thales
- Jean-Paul Mazellier
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Focusing electrode for cathode arrangement, electron gun, and litho...
- Patent number 10,622,188
- Issue date Apr 14, 2020
- ASML Netherlands B.V.
- Laura Dinu-Gürtler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low temperature, high-brightness, cathode
- Patent number 10,593,505
- Issue date Mar 17, 2020
- NUFLARE TECHNOLOGY, INC.
- Victor Katsap
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode assembly for use in X-ray generation
- Patent number 10,373,792
- Issue date Aug 6, 2019
- General Electric Company
- John Scott Price
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Graphene/graphite-based filament for thermal ionization
- Patent number 10,056,218
- Issue date Aug 21, 2018
- Savannah River Nuclear Solutions, LLC
- Joshua T. Hewitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion generation device and ion detection device
- Patent number 9,881,763
- Issue date Jan 30, 2018
- Ricoh Company, Ltd.
- Katsuya Ujimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter structure, gas ion source and focused ion beam system
- Patent number 9,640,361
- Issue date May 2, 2017
- Hitachi High-Tech Science Corporation
- Anto Yasaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode arrangement, electron gun, and lithography system comprisin...
- Patent number 9,466,453
- Issue date Oct 11, 2016
- Mapper Lithography IP B.V.
- Laura Dinu-Gürtler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cathode arrangement, electron gun, and lithography system comprisin...
- Patent number 9,455,112
- Issue date Sep 27, 2016
- Mapper Lithography IP B.V.
- Laura Dinu-Gürtler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electron emission surface for X-ray generation
- Patent number 9,443,691
- Issue date Sep 13, 2016
- General Electric Company
- Vance Scott Robinson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Hall-effect motor in which the temperature of the cathode-heating d...
- Patent number 9,309,871
- Issue date Apr 12, 2016
- SNECMA
- Frédéric Marchandise
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Emitter structure, gas ion source and focused ion beam system
- Patent number 9,129,771
- Issue date Sep 8, 2015
- Hitachi High-Tech Science Corporation
- Anto Yasaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabricating emitter
- Patent number 8,999,178
- Issue date Apr 7, 2015
- Hitachi High-Tech Science Corporation
- Yasuhiko Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filament for electron source
- Patent number 8,896,195
- Issue date Nov 25, 2014
- Hermes Microvision, Inc.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically heated planar cathode
- Patent number 8,766,538
- Issue date Jul 1, 2014
- Thermo Scientific Portable Analytical Instruments Inc.
- Mark T. Dinsmore
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for fabricating emitter
- Patent number 8,764,994
- Issue date Jul 1, 2014
- Hitachi High-Tech Science Corporation
- Yasuhiko Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source having a tungsten single crystal electrode
- Patent number 8,593,048
- Issue date Nov 26, 2013
- Denki Kagaku Kogyo Kabushiki Kaisha
- Ryozo Nonogaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrically heated planar cathode
- Patent number 8,525,411
- Issue date Sep 3, 2013
- Thermo Scientific Portable Analytical Instruments Inc.
- Mark T. Dinsmore
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electron source and electron beam apparatus
- Patent number 8,519,608
- Issue date Aug 27, 2013
- Denki Kagaku Kogyo Kabushiki Kaisha
- Ryozo Nonogaki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for making thermal electron emitter
- Patent number 8,070,548
- Issue date Dec 6, 2011
- Tsinghua University
- Lin Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source
- Patent number 8,040,034
- Issue date Oct 18, 2011
- Denki Kagaku Kogyo Kabushiki Kaisha
- Ryozo Nonogaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emitter designed to control electron beam current profil...
- Patent number 7,924,983
- Issue date Apr 12, 2011
- Varian Medical Systems, Inc.
- Paul D. Moore
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Diamond electron emission cathode, electron emission source, electr...
- Patent number 7,863,805
- Issue date Jan 4, 2011
- Sumitomo Electric Industries, Ltd.
- Yoshiyuki Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission device
- Patent number 7,772,755
- Issue date Aug 10, 2010
- Tsinghua University
- Peng Liu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANNULAR GAP CATHODES WITH GRAPHITE CAPS
- Publication number 20240161993
- Publication date May 16, 2024
- George Douglas Calvey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method For Tuning Work Function Using Surface Photo Voltage and Pro...
- Publication number 20220093357
- Publication date Mar 24, 2022
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION APPARATUS WITH SUPERIOR STRUCTURAL STABILITY AND X-R...
- Publication number 20210027969
- Publication date Jan 28, 2021
- aweXomeRay Co., Ltd.
- Hong Soo Choi
- B82 - NANO-TECHNOLOGY
Information Patent Application
ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...
- Publication number 20190362926
- Publication date Nov 28, 2019
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Graphene/Graphite-Based Filament for Thermal Ionization
- Publication number 20180240637
- Publication date Aug 23, 2018
- Savannah River Nuclear Solutions, LLC
- Joshua T. Hewitt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Focusing electrode for cathode arrangement, electron gun, and litho...
- Publication number 20160314935
- Publication date Oct 27, 2016
- MAPPER LITHOGRAPHY IP BV
- Laura DINU-GÜRTLER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode arrangement, electron gun, and lithography system comprisin...
- Publication number 20150187541
- Publication date Jul 2, 2015
- MAPPER LITHOGRAPHY IP BV
- Laura DINU-GÜRTLER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER STRUCTURE, GAS ION SOURCE AND FOCUSED ION BEAM SYSTEM
- Publication number 20140291542
- Publication date Oct 2, 2014
- HITACHI HIGH-TECH SCIENCE CORPORATION
- Anto YASAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR FABRICATING EMITTER
- Publication number 20140246397
- Publication date Sep 4, 2014
- HITACHI HIGH-TECH SCIENCE CORPORATION
- Yasuhiko SUGIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICALLY HEATED PLANAR CATHODE
- Publication number 20130301804
- Publication date Nov 14, 2013
- Mark T. Dinsmore
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR FABRICATING EMITTER
- Publication number 20130248483
- Publication date Sep 26, 2013
- HITACHI HIGH-TECH SCIENCE CORPORATION
- Yasuhiko SUGIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HALL-EFFECT MOTOR IN WHICH THE TEMPERATURE OF THE CATHODE-HEATING D...
- Publication number 20130125526
- Publication date May 23, 2013
- SNECMA
- Frédéric Marchandise
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ELECTRON SOURCE
- Publication number 20130049568
- Publication date Feb 28, 2013
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Ryozo Nonogaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Filament for Electron Source
- Publication number 20120098409
- Publication date Apr 26, 2012
- Hermes Microvision, Inc.
- Juying DOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE AND ELECTRON BEAM APPARATUS
- Publication number 20100237762
- Publication date Sep 23, 2010
- Ryozo Nonogaki
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON SOURCE
- Publication number 20100194262
- Publication date Aug 5, 2010
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Ryozo Nonogaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY EMITTING FOIL WITH TEMPORARY FIXING BARS AND PREPARING METHOD...
- Publication number 20100176708
- Publication date Jul 15, 2010
- Koninklijke Philips Electronics N.V.
- Stefan Hauttmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC EMITTER DESIGNED TO CONTROL ELECTRON BEAM CURRENT PROFIL...
- Publication number 20090323898
- Publication date Dec 31, 2009
- Varian Medical Systems, Inc.
- PAUL D. MOORE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON EMISSION DEVICE COMPRISING CARBON NANOTUBES YARN AND METHO...
- Publication number 20090289555
- Publication date Nov 26, 2009
- Tsinghua University
- Kai-Li Jiang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for making thermal electron emitter
- Publication number 20090258448
- Publication date Oct 15, 2009
- Tsinghua University
- Lin Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermionic emission device
- Publication number 20090167136
- Publication date Jul 2, 2009
- Tsinghua University
- Peng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT
- Publication number 20090129550
- Publication date May 21, 2009
- Varian Medical Systems Technologies, Inc.
- Steve G. Bandy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Diamond Electron Emission Cathode, Electron Emission Source, Electr...
- Publication number 20080164802
- Publication date Jul 10, 2008
- Sumitomo Electric Industries, Ltd.
- Yoshiki Nishibayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Discharge electrode, a discharge lamp and a method for manufacturin...
- Publication number 20080160872
- Publication date Jul 3, 2008
- Kabushiki Kaisha Toshiba
- Tadashi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Diamond Electron Emission Cathode,Electron Emission Source,Electron...
- Publication number 20080067493
- Publication date Mar 20, 2008
- Yoshiyuki Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Diamond Electron Emission Cathode, Electron Emission Source, Electr...
- Publication number 20080048544
- Publication date Feb 28, 2008
- Akihiko Ueda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode materials for electric lamps and methods of manufacture t...
- Publication number 20070090764
- Publication date Apr 26, 2007
- General Electric Company
- Gopi Chandran Ramachandran
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescent lamp cathode and method of making cathodes
- Publication number 20060181217
- Publication date Aug 17, 2006
- Elmet Technologies, Inc.
- Bruce R. Tremblay
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIgh brightness thermionic cathode
- Publication number 20050174030
- Publication date Aug 11, 2005
- Nuflare Technology, USA
- Victor Katsap
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Internally heated cathode
- Publication number 20050082960
- Publication date Apr 21, 2005
- Richard Wirz
- H01 - BASIC ELECTRIC ELEMENTS

Cathodes heated directly by an electric current

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Annular gap cathodes with graphite caps

Method for tuning work function using surface photo voltage and pro...

Method for tuning work function using surface photovoltage and prod...

Field emission apparatus with superior structural stability and X-r...

Estimation of cathode space current for a thermionic vacuum tube us...

Receptacle for receiving a plug connector of a high-voltage cable f...

Vacuum electron tube with planar cathode based on nanotubes or nano...

Focusing electrode for cathode arrangement, electron gun, and litho...

Low temperature, high-brightness, cathode

Cathode assembly for use in X-ray generation

Graphene/graphite-based filament for thermal ionization

Ion generation device and ion detection device

Emitter structure, gas ion source and focused ion beam system

Cathode arrangement, electron gun, and lithography system comprisin...

Cathode arrangement, electron gun, and lithography system comprisin...

Electron emission surface for X-ray generation

Hall-effect motor in which the temperature of the cathode-heating d...

Emitter structure, gas ion source and focused ion beam system

Method for fabricating emitter

Filament for electron source

Electrically heated planar cathode

Method for fabricating emitter

Electron source having a tungsten single crystal electrode

Electrically heated planar cathode

Electron source and electron beam apparatus

Method for making thermal electron emitter

Electron source

Thermionic emitter designed to control electron beam current profil...

Diamond electron emission cathode, electron emission source, electr...

Thermionic emission device

Patents Applicationslast 30 patents

ANNULAR GAP CATHODES WITH GRAPHITE CAPS

Method For Tuning Work Function Using Surface Photo Voltage and Pro...

FIELD EMISSION APPARATUS WITH SUPERIOR STRUCTURAL STABILITY AND X-R...

ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...

Graphene/Graphite-Based Filament for Thermal Ionization

Focusing electrode for cathode arrangement, electron gun, and litho...

Cathode arrangement, electron gun, and lithography system comprisin...

EMITTER STRUCTURE, GAS ION SOURCE AND FOCUSED ION BEAM SYSTEM

METHOD FOR FABRICATING EMITTER

ELECTRICALLY HEATED PLANAR CATHODE

METHOD FOR FABRICATING EMITTER

HALL-EFFECT MOTOR IN WHICH THE TEMPERATURE OF THE CATHODE-HEATING D...

ELECTRON SOURCE

Filament for Electron Source

ELECTRON SOURCE AND ELECTRON BEAM APPARATUS

ELECTRON SOURCE

X-RAY EMITTING FOIL WITH TEMPORARY FIXING BARS AND PREPARING METHOD...

THERMIONIC EMITTER DESIGNED TO CONTROL ELECTRON BEAM CURRENT PROFIL...

ELECTRON EMISSION DEVICE COMPRISING CARBON NANOTUBES YARN AND METHO...

Method for making thermal electron emitter

Thermionic emission device

FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT

Diamond Electron Emission Cathode, Electron Emission Source, Electr...

Discharge electrode, a discharge lamp and a method for manufacturin...

Diamond Electron Emission Cathode,Electron Emission Source,Electron...

Diamond Electron Emission Cathode, Electron Emission Source, Electr...

Electrode materials for electric lamps and methods of manufacture t...

Fluorescent lamp cathode and method of making cathodes

HIgh brightness thermionic cathode

Internally heated cathode