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with compounds having metallic conductive properties
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H01J1/148
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H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J1/00
Details 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
H01J1/148
with compounds having metallic conductive properties
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Patents Grants
last 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
Electron source and production method therefor
Patent number
11,152,185
Issue date
Oct 19, 2021
DENKA COMPANY LIMITED
Toshiyuki Morishita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Emitter structures for enhanced thermionic emission
Patent number
11,094,493
Issue date
Aug 17, 2021
Lockheed Martin Corporation
Frans Hendrik Ebersohn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron source and production method therefor
Patent number
10,957,511
Issue date
Mar 23, 2021
DENKA COMPANY LIMITED
Toshiyuki Morishita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron guns for electron beam tools
Patent number
10,573,481
Issue date
Feb 25, 2020
NUFLARE TECHNOLOGY, INC.
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-brightness lanthanum hexaboride cathode and method for manufac...
Patent number
10,553,388
Issue date
Feb 4, 2020
NUFLARE TECHNOLOGY, INC.
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron source and production method therefor
Patent number
10,553,390
Issue date
Feb 4, 2020
DENKA COMPANY LIMITED
Toshiyuki Morishita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of reducing work function in carbon coated LaB6 cathodes
Patent number
9,790,620
Issue date
Oct 17, 2017
NuFlare Technology, Inc.
Victor Katsap
C30 - CRYSTAL GROWTH
Information
Patent Grant
Thermal-field type electron source composed of transition metal car...
Patent number
9,490,098
Issue date
Nov 8, 2016
Applied Physics Technologies, Inc.
William A. Mackie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermionic cathode with even electric field distribution on electro...
Patent number
9,299,525
Issue date
Mar 29, 2016
NUFLARE TECHNOLOGY, INC.
Ryoei Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermal-field type electron source composed of transition metal car...
Patent number
9,240,301
Issue date
Jan 19, 2016
Applied Physics Technologies, Inc.
William A. Mackie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-brightness, long life thermionic cathode and methods of its fa...
Patent number
9,165,737
Issue date
Oct 20, 2015
NUFLARE TECHNOLOGY, INC.
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun and electron beam device
Patent number
9,070,527
Issue date
Jun 30, 2015
Param Corporation
Hiroshi Yasuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electron beam source and method of manufacturing the same
Patent number
8,536,773
Issue date
Sep 17, 2013
Carl Zeiss Microscopy GmbH
Wolfram Buehler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode materials for electric lamps and methods of manufacture t...
Patent number
7,652,415
Issue date
Jan 26, 2010
General Electric Company
Gopi Chandran Ramachandran
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High brightness thermionic cathode
Patent number
7,176,610
Issue date
Feb 13, 2007
Toshiba Machine America, Inc.
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun and a method for using the same
Patent number
6,903,499
Issue date
Jun 7, 2005
Denki Kagaku Kogyo Kabushiki Kaisha
Yoshinori Terui
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron emission materials and components
Patent number
6,190,579
Issue date
Feb 20, 2001
Integrated Thermal Sciences, Inc.
Garth W. Billings
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electron emission materials and components
Patent number
6,051,165
Issue date
Apr 18, 2000
Integrated Thermal Sciences Inc.
Garth W. Billings
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Rare earth hexaboride electron-emitting material
Patent number
6,027,670
Issue date
Feb 22, 2000
National Institute for Research in Inorganic Materials
Shigeki Otani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron emission materials and components
Patent number
5,911,919
Issue date
Jun 15, 1999
Integrated Thermal Sciences, Inc.
Garth W. Billings
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Rare earth hexaboride electron-emitting material
Patent number
5,837,165
Issue date
Nov 17, 1998
National Institute for Research in Inorganic Materials
Shigeki Otani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermionic cathode structure
Patent number
4,878,866
Issue date
Nov 7, 1989
Denki Kagaku Kogyo Kabushiki Kaisha
Yoshiharu Mori
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermionic emission cathode and preparation thereof
Patent number
4,482,839
Issue date
Nov 13, 1984
Denki Kagaku Kogyo Kabushiki Kaisha
Tetsuya Wada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thermionic emission cathode
Patent number
4,482,838
Issue date
Nov 13, 1984
Denki Kagaku Kogyo Kabushiki Kaisha
Masaji Ishii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam exposing apparatus
Patent number
4,430,570
Issue date
Feb 7, 1984
Tokyo Shibaura Denki Kabushiki Kaisha
Tadahiro Takigawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Boron carbide La, Sr and/or Ba hexaboride ceramic material for a lo...
Patent number
4,265,666
Issue date
May 5, 1981
Commissariat a l'Energie Atomique
Michel Contre
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Low work function hexaboride electron source
Patent number
4,200,555
Issue date
Apr 29, 1980
Bell Telephone Laboratories, Incorporated
David C. Joy
C30 - CRYSTAL GROWTH
Information
Patent Grant
Thermionic emission cathode having a tip of a single crystal of lan...
Patent number
4,055,780
Issue date
Oct 25, 1977
National Institute for Researches in Inorganic Materials
Shichio Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron source of a single crystal of lanthanum hexaboride emittin...
Patent number
4,054,946
Issue date
Oct 18, 1977
Bell Telephone Laboratories, Incorporated
Stephen Duncan Ferris
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
REFERENCE ELECTRODE FOR HIGH TEMPERATURE CORROSION SENSOR APPLICATIONS
Publication number
20240331965
Publication date
Oct 3, 2024
West Virginia University Board of Governors on behalf of West Virginia Univer...
Shanshan Hu
H01 - BASIC ELECTRIC ELEMENTS
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
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
Publication number
20210193427
Publication date
Jun 24, 2021
DENKA COMPANY LIMITED
Toshiyuki MORISHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Emitter Structures for Enhanced Thermionic Emission
Publication number
20210035765
Publication date
Feb 4, 2021
Lockheed Martin Corporation
Frans Hendrik Ebersohn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
Publication number
20200126750
Publication date
Apr 23, 2020
DENKA COMPANY LIMITED
Toshiyuki MORISHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON SOURCE AND PRODUCTION METHOD THEREFOR
Publication number
20190221399
Publication date
Jul 18, 2019
DENKA COMPANY LIMITED
Toshiyuki MORISHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THERMIONIC CATHODE AND METHOD FOR MANUFACTURING THERMIONIC CATHODE
Publication number
20140139100
Publication date
May 22, 2014
NuFlare Technology, Inc.
Ryoei KOBAYASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-Brightness, Long Life Thermionic Cathode and Methods of its Fa...
Publication number
20140097736
Publication date
Apr 10, 2014
NUFLARE TECHNOLOGY, INC.
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON GUN AND ELECTRON BEAM DEVICE
Publication number
20140055025
Publication date
Feb 27, 2014
PARAM CORPORATION
Hiroshi Yasuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
ELECTRON BEAM SOURCE AND METHOD OF MANUFACTURING THE SAME
Publication number
20120248959
Publication date
Oct 4, 2012
CARL ZEISS NTS GMBH
Wolfram Buehler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF AN ELECTRON-EMITTING DEVICE, AND MANUFACTUR...
Publication number
20100187096
Publication date
Jul 29, 2010
Canon Kabushiki Kaisha
Naofumi Aoki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CATHODE COMPOSED OF MATERIALS WITH DIFFERENT ELECTRON WORKS FUNCTIONS
Publication number
20090284124
Publication date
Nov 19, 2009
WOLFGANG KUTSCHERA
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
HIgh brightness thermionic cathode
Publication number
20050174030
Publication date
Aug 11, 2005
Nuflare Technology, USA
Victor Katsap
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electron gun and a method for using the same
Publication number
20030085645
Publication date
May 8, 2003
DENKI KAGAKU KOGYO KABUSHIKI KAISHA
Yoshinori Terui
H01 - BASIC ELECTRIC ELEMENTS