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H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J23/00
Details of transit-time tubes of the types covered by group H01J25/00
Current Industry
H01J23/04
Cathodes
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Patents Grants
last 30 patents
Information
Patent Grant
Cathode heater assembly and method of manufacture
Patent number
12,119,201
Issue date
Oct 15, 2024
ELVE INC.
Colin Andrew McElroy
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
Equilibration of a multibeam inductive output tube
Patent number
10,490,383
Issue date
Nov 26, 2019
Thales
Claude Bel
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun thermal dissipation in a vacuum
Patent number
10,403,465
Issue date
Sep 3, 2019
Varex Imaging Corporation
Chris Ferrari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun adjustment in a vacuum
Patent number
10,395,880
Issue date
Aug 27, 2019
Varex Imaging Corporation
Chris Ferrari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Carburized La2O3 and Lu2O3 co-doped Mo filament cathode
Patent number
10,388,484
Issue date
Aug 20, 2019
Beijing University of Technology
Jinshu Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Electron gun, electron tube and high-frequency circuit system
Patent number
10,276,339
Issue date
Apr 30, 2019
NEC NETWORK AND SENSOR SYSTEMS, LTD.
Yukihira Nakazato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam modulator based on a nonlinear transmission line
Patent number
10,109,447
Issue date
Oct 23, 2018
The United States of America as represented by the Secretary of the Air Force
Brad W. Hoff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Perovskites as ultra-low work function electron emission materials
Patent number
10,074,505
Issue date
Sep 11, 2018
Wisconsin Alumni Research Foundation
Ryan Matthew Jacobs
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Traveling wave tube and high-frequency circuit system
Patent number
10,068,738
Issue date
Sep 4, 2018
NEC Network and Sensor Systems, Ltd.
Takatsugu Munehiro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Detecting system based on terahertz wave
Patent number
9,852,871
Issue date
Dec 26, 2017
Tsinghua University
Peng Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron
Patent number
9,852,872
Issue date
Dec 26, 2017
Toshiba Hokuto Electronics Corporation
Masatoshi Higashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coaxial amplifier device
Patent number
9,819,320
Issue date
Nov 14, 2017
The Government of the United States of America as Represented by the Secretar...
Brad W. Hoff
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
X-ray tube
Patent number
9,653,248
Issue date
May 16, 2017
Toshiba Electron Tubes & Devices Co., Ltd.
Tomonari Ishihara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetron
Patent number
9,653,246
Issue date
May 16, 2017
Toshiba Hokuto Electronics Corporation
Naoya Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron
Patent number
9,318,296
Issue date
Apr 19, 2016
E2V Technologies (UK) Limited
David Bernard Fox
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device for electron emission in a vacuum
Patent number
9,305,734
Issue date
Apr 5, 2016
Thales
Jean-Claude Jacquet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Vacuum encapsulated hermetically sealed diamond amplified cathode c...
Patent number
8,922,107
Issue date
Dec 30, 2014
Brookhaven Science Associates, LLC
Triveni Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optically controlled cold-cathode electron tube
Patent number
8,427,039
Issue date
Apr 23, 2013
Thales
Pierre Legagneux
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Active electronically steered cathode emission
Patent number
8,330,345
Issue date
Dec 11, 2012
L-3 Communications Corporation
Mark Frederick Kirshner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for generation of microwaves
Patent number
8,115,392
Issue date
Feb 14, 2012
BAE Systems Bofors AB
Magnus Karlsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Field-emission cathode, with optical control
Patent number
8,035,295
Issue date
Oct 11, 2011
Thales
Pierre Legagneux
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Device for generation of microwaves
Patent number
7,994,966
Issue date
Aug 9, 2011
BAE Systems Bofors AB
Fredrik Olsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron gun and magnetic circuit for an improved THz electromagnet...
Patent number
7,808,182
Issue date
Oct 5, 2010
Sarnoff Corporation
David Arthur New
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power supply unit, high-frequency circuit system and heater voltage...
Patent number
7,800,311
Issue date
Sep 21, 2010
Netcomsec Co. Ltd.
Akira Chiba
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microscale high-frequency vacuum electrical device
Patent number
7,736,210
Issue date
Jun 15, 2010
Wisconsin Alumni Research Foundation
Robert H. Blick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold-cathode electron source, microwave tube using it, and producti...
Patent number
7,391,145
Issue date
Jun 24, 2008
Sumitomo Electric Industries, Ltd.
Natsuo Tatsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device for producing high frequency microwaves
Patent number
7,365,493
Issue date
Apr 29, 2008
Kist Europe Korea Institute of Science and Technology Europe Forschungsgesell...
Chun Sik Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetron for microwave ovens
Patent number
6,867,405
Issue date
Mar 15, 2005
Samsung Electronics Co., Ltd.
Jong-Chull Shon
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Transducer with field emitter array
Patent number
6,844,860
Issue date
Jan 18, 2005
Christopher Mann
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
CATHODE HEATER ASSEMBLY AND METHOD OF MANUFACTURE
Publication number
20240096583
Publication date
Mar 21, 2024
Elve Inc.
Colin Andrew McElroy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TECHNIQUE FOR MULTI-STREAM ELECTRON BEAM GENERATION WITH DIFFERENT...
Publication number
20230420212
Publication date
Dec 28, 2023
UNM Rainforest Innovations
Khandakar Nusrat ISLAM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Dielectric Coated Plasmonic Photoemitter
Publication number
20230103140
Publication date
Mar 30, 2023
Board of Trustees of Michigan State University
Peng ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRON GUN THERMAL DISSIPATION IN A VACUUM
Publication number
20190057829
Publication date
Feb 21, 2019
VAREX IMAGING CORPORATION
Chris Ferrari
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
EQUILIBRATION OF A MULTIBEAM INDUCTIVE OUTPUT TUBE
Publication number
20180294132
Publication date
Oct 11, 2018
THALES
Claude BEL
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ELECTRON GUN, ELECTRON TUBE AND HIGH-FREQUENCY CIRCUIT SYSTEM
Publication number
20180286622
Publication date
Oct 4, 2018
NEC NETWORK AND SENSOR SYSTEMS, LTD.
Yukihira NAKAZATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
Publication number
20180158639
Publication date
Jun 7, 2018
Koninklijke Philips N.V.
Georg Friedrich Gaertner
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DETECTING SYSTEM BASED ON TERAHERTZ WAVE
Publication number
20170352516
Publication date
Dec 7, 2017
TSINGHUA UNIVERSITY
PENG LIU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PEROVSKITES AS ULTRA-LOW WORK FUNCTION ELECTRON EMISSION MATERIALS
Publication number
20170207055
Publication date
Jul 20, 2017
Wisconsin Alumni Research Foundation
Ryan Matthew Jacobs
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRAVELING WAVE TUBE AND HIGH-FREQUENCY CIRCUIT SYSTEM
Publication number
20170140892
Publication date
May 18, 2017
NEC Network and Sensor Systems, Ltd.
Takatsugu MUNEHIRO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetron
Publication number
20160172145
Publication date
Jun 16, 2016
TOSHIBA HOKUTO ELECTRONICS CORPORATION
Masatoshi Higashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE FOR ELECTRON EMISSION IN A VACUUM
Publication number
20140326943
Publication date
Nov 6, 2014
THALES
Jean-Claude Jacquet
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
Publication number
20140174913
Publication date
Jun 26, 2014
Koninklijke Philips N.V.
Georg Friedrich Gaertner
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Vacuum Encapsulated Hermetically Sealed Diamond Amplified Cathode C...
Publication number
20140117837
Publication date
May 1, 2014
Triveni Rao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MAGNETRON
Publication number
20120235564
Publication date
Sep 20, 2012
E2V TECHNOLOGIES (UK) LIMITED
David Bernard Fox
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FABRICATION OF AN INTEGRATED TERAHERTZ SOURCE USING FIELD EMITTER A...
Publication number
20120119183
Publication date
May 17, 2012
Boris G. Kharas
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR GENERATION OF MICROWAVES
Publication number
20120025703
Publication date
Feb 2, 2012
Magnus Karlsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR GENERATION OF MICROWAVES
Publication number
20110181460
Publication date
Jul 28, 2011
Frederik Olsson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ACTIVE ELECTRONICALLY STEERED CATHODE EMISSION
Publication number
20110050096
Publication date
Mar 3, 2011
Mark Frederick Kirshner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICALLY CONTROLLED COLD-CATHODE ELECTRON TUBE
Publication number
20100072872
Publication date
Mar 25, 2010
Pierre Legagneux
B82 - NANO-TECHNOLOGY
Information
Patent Application
MULTIBEAM DOUBLY CONVERGENT ELECTRON GUN
Publication number
20100045160
Publication date
Feb 25, 2010
Manhattan Technologies Ltd.
James A. Dayton, JR.
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FIELD-EMISSION CATHODE, WITH OPTICAL CONTROL
Publication number
20090261727
Publication date
Oct 22, 2009
THALES
Pierre Legagneux
B82 - NANO-TECHNOLOGY
Information
Patent Application
POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE...
Publication number
20080231197
Publication date
Sep 25, 2008
NEC Microwave Tube, Ltd.
Akira CHIBA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
ELECTRON GUN AND MAGNETIC CIRCUIT FOR AN IMPROVED THZ ELECTROMAGNET...
Publication number
20080084153
Publication date
Apr 10, 2008
David Arthur New
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MICROSCALE HIGH-FREQUENCY VACUUM ELECTRICAL DEVICE
Publication number
20080061700
Publication date
Mar 13, 2008
Robert H. Blick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ROTARY VACUUM FEEDTHROUGH FOR ROTATABLE MAGNETRONS
Publication number
20070227881
Publication date
Oct 4, 2007
Applied Materials GmbH & Co. KG
Harald Gaertner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cold-cathode electron source, microwave tube using it, and producti...
Publication number
20060001360
Publication date
Jan 5, 2006
Sumitomo Electric Industries, Ltd.
Natsuo Tatsumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Device for producing high frequency microwaves
Publication number
20040118840
Publication date
Jun 24, 2004
Chun Sik Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetron for microwave ovens
Publication number
20040020924
Publication date
Feb 5, 2004
Samsung Electronics Co., Ltd.
Jong-Chull Shon
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Transducer with field emitter array
Publication number
20030132887
Publication date
Jul 17, 2003
Christopher Mann
H01 - BASIC ELECTRIC ELEMENTS