having a cylindrical emissive surface

Industry

CPC
H01J23/05

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J23/00Details of transit-time tubes of the types covered by group H01J25/00

Current Industry

H01J23/05having a cylindrical emissive surface

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Multi-cathode magnetron with internal electromagnetic field coupling
- Patent number 11,562,873
- Issue date Jan 24, 2023
- Tsinghua University
- Jiaru Shi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron-emitting electrode including multiple diamond members and...
- Patent number 11,387,069
- Issue date Jul 12, 2022
- Kabushiki Kaisha Toshiba
- Hisashi Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 11,011,339
- Issue date May 18, 2021
- Soo Yong Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tungsten alloy part, and discharge lamp, transmitting tube, and mag...
- Patent number 10,998,157
- Issue date May 4, 2021
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Electro magnetic oscillator tube with enhanced isotopes
- Patent number 10,878,975
- Issue date Dec 29, 2020
- David Weber
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Tungsten alloy part, and discharge lamp, transmitting tube, and mag...
- Patent number 10,395,879
- Issue date Aug 27, 2019
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- B22 - CASTING POWDER METALLURGY
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
Crossed field device
- Patent number 10,181,388
- Issue date Jan 15, 2019
- The United States of America as represented by the Secretary of the Air Force
- Brad W. Hoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tungsten alloy, tungsten alloy part, discharge lamp, transmitting t...
- Patent number 10,167,536
- Issue date Jan 1, 2019
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System for generation of useful electrical power from isotopic emis...
- Patent number 10,109,384
- Issue date Oct 23, 2018
- David Weber
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Tungsten alloy, tungsten alloy part, discharge lamp, transmitting t...
- Patent number 9,834,830
- Issue date Dec 5, 2017
- Kabushiki Kaisha Toshiba
- Shinichi Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Encapsulated magnetron
- Patent number 9,754,771
- Issue date Sep 5, 2017
- Applied Materials, Inc.
- Brian T. West
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Axial strapping of a multi-core (cascaded) magnetron
- Patent number 9,711,315
- Issue date Jul 18, 2017
- Raytheon Company
- Andrey D. Andreev
- H01 - BASIC ELECTRIC ELEMENTS
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
Impregnated yttric or gadolinium-containing Barium-aluminum-scandat...
- Patent number 9,349,561
- Issue date May 24, 2016
- Beijing University of Technology
- Jinshu Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron cathodes
- Patent number 9,177,749
- Issue date Nov 3, 2015
- E2V Technologies (UK) Limited
- Clive Reynolds
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency cathode heater supply for a microwave source
- Patent number 8,976,542
- Issue date Mar 10, 2015
- E2V Technologies (UK) Limited
- Robert Richardson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 8,810,132
- Issue date Aug 19, 2014
- E2V Technologies (UK) Limited
- David Bernard Fox
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron and device using microwaves
- Patent number 8,723,419
- Issue date May 13, 2014
- Panasonic Corporation
- Etsuo Saitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode heating device of magnetron, microwave generating device an...
- Patent number 8,664,860
- Issue date Mar 4, 2014
- Furuno Electric Company, Limited
- Dai Takemoto
- G01 - MEASURING TESTING
Information Patent Grant
Metamaterial cathodes in multi-cavity magnetrons
- Patent number 8,508,132
- Issue date Aug 13, 2013
- The United States of America as represented by the Secretary of the Air Force
- Andrey D. Andreev
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 8,159,137
- Issue date Apr 17, 2012
- Panasonic Corporation
- Nagisa Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 8,129,911
- Issue date Mar 6, 2012
- E2V Technologies (UK) Limited
- Robert Charles Wilson
- 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
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
Eggbeater transparent cathode for magnetrons and ubitrons and relat...
- Patent number 7,893,621
- Issue date Feb 22, 2011
- STC.UNM
- Edl Schamiloglu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 7,696,697
- Issue date Apr 13, 2010
- Panasonic Corporation
- Nagisa Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron with graphite nano-fibers on cathode
- Patent number 7,474,042
- Issue date Jan 6, 2009
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Aiga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mode seeding cathode for a relativistic magnetron
- Patent number 7,245,082
- Issue date Jul 17, 2007
- The United States of America as represented by the Secretary of the Air Force
- Timothy P. Fleming
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetron
- Patent number 7,235,929
- Issue date Jun 26, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Inami
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOF
- Publication number 20220314018
- Publication date Oct 6, 2022
- Shanghai United Imaging Healthcare Co., Ltd.
- Peng WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON-EMITTING ELECTRODE INCLUDING MULTIPLE DIAMOND MEMBERS AND...
- Publication number 20220181112
- Publication date Jun 9, 2022
- Kabushiki Kaisha Toshiba
- Hisashi YOSHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETRON
- Publication number 20220020553
- Publication date Jan 20, 2022
- TSINGHUA UNIVERSITY
- Jiaru SHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETRONS
- Publication number 20200251300
- Publication date Aug 6, 2020
- Teledyne e2v (UK) Limited
- David Rowlands
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...
- Publication number 20190333729
- Publication date Oct 31, 2019
- Kabushiki Kaisha Toshiba
- Shinichi YAMAMOTO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ELECTRO MAGNETIC OSCILLATOR TUBE WITH ENHANCED ISOTOPES
- Publication number 20190066862
- Publication date Feb 28, 2019
- David Weber
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Carburized La2O3 and Lu2O3 co-doped Mo filament cathode and its fab...
- Publication number 20180254164
- Publication date Sep 6, 2018
- BEIJING UNIVERSITY OF TECHNOLOGY
- JINSHU WANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TUNGSTEN ALLOY, TUNGSTEN ALLOY PART, DISCHARGE LAMP, TRANSMITTING T...
- Publication number 20180073107
- Publication date Mar 15, 2018
- Kabushiki Kaisha Toshiba
- Shinichi YAMAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AXIAL STRAPPING OF A MULTI-CORE (CASCADED) MAGNETRON
- Publication number 20170169982
- Publication date Jun 15, 2017
- Raytheon Company
- Andrey D. Andreev
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETRON
- Publication number 20150380198
- Publication date Dec 31, 2015
- Soo Yong PARK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BEARING ARRANGEMENT FOR ROTATABLY MOUNTING AN ELECTRODE AND ELECTRO...
- Publication number 20150162159
- Publication date Jun 11, 2015
- VON ARDENNE GMBH
- Hans-Juergen HEINRICH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETRON
- Publication number 20150123538
- Publication date May 7, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Kohei KAWATA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNGSTEN ALLOY, TUNGSTEN ALLOY PART, DISCHARGE LAMP, TRANSMITTING T...
- Publication number 20140301891
- Publication date Oct 9, 2014
- Shinichi YAMAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
MAGNETRON CATHODES
- Publication number 20140210340
- Publication date Jul 31, 2014
- E2V TECHNOLOGIES (UK) LIMITED
- Clive Roberts
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
System For Generation Of Useful Electrical Power From Isotopic Emis...
- Publication number 20140035435
- Publication date Feb 6, 2014
- David Weber
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Impregnated Yttric or Gadolinium-Containing Barium-Aluminum-Scandat...
- Publication number 20130105742
- Publication date May 2, 2013
- BEIJING UNIVERSITY OF TECHNOLOGY
- Jinshu Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETRON
- Publication number 20130082594
- Publication date Apr 4, 2013
- E2V Technologies (UK) Limited
- David Bernard Fox
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH FREQUENCY CATHODE HEATER SUPPLY FOR A MICROWAVE SOURCE
- Publication number 20120280619
- Publication date Nov 8, 2012
- E2V TECNOLOGIES (UK) LIMITED
- Robert Richardson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE FOR GENERATING HYPERFREQUENCY WAVES HAVING A CATHODE WHEREOF...
- Publication number 20120187833
- Publication date Jul 26, 2012
- THALES
- Jean-Pierre BRASILE
- 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
MAGNETRON AND DEVICE USING MICROWAVES
- Publication number 20110227480
- Publication date Sep 22, 2011
- PANASONIC CORPORATION
- Etsuo Saitou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE HEATING DEVICE OF MAGNETRON, MICROWAVE GENERATING DEVICE AN...
- Publication number 20110221345
- Publication date Sep 15, 2011
- Dai TAKEMOTO
- G01 - MEASURING TESTING
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
MAGNETRON, MAGNETRON CATHODE BODY MANUFACTURING METHOD, AND CATHODE...
- Publication number 20110169390
- Publication date Jul 14, 2011
- Tadahiro Ohmi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
System for generation of useful electrical energy from isotopic ele...
- Publication number 20100062288
- Publication date Mar 11, 2010
- David Weber
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
BRAZING MATERIAL, ELECTRON TUBES, MAGNETRON AND METHOD FOR BRAZING
- Publication number 20100052501
- Publication date Mar 4, 2010
- Toshiba Hokuto Electronics Corporation
- Makoto Ueda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
MAGNETRON
- Publication number 20090236991
- Publication date Sep 24, 2009
- E2V TECHNOLOGIES (UK) LIMITED
- Robert Charles Wilson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EGGBEATER TRANSPARENT CATHODE FOR MAGNETRONS AND UBITRONS AND RELAT...
- Publication number 20080246385
- Publication date Oct 9, 2008
- Edl Schamiloglu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetron
- Publication number 20080100221
- Publication date May 1, 2008
- Nagisa Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetron
- Publication number 20070273287
- Publication date Nov 29, 2007
- Nagisa Kuwahara
- H01 - BASIC ELECTRIC ELEMENTS

having a cylindrical emissive surface

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Multi-cathode magnetron with internal electromagnetic field coupling

Electron-emitting electrode including multiple diamond members and...

Magnetron

Tungsten alloy part, and discharge lamp, transmitting tube, and mag...

Electro magnetic oscillator tube with enhanced isotopes

Tungsten alloy part, and discharge lamp, transmitting tube, and mag...

Carburized La2O3 and Lu2O3 co-doped Mo filament cathode

Crossed field device

Tungsten alloy, tungsten alloy part, discharge lamp, transmitting t...

System for generation of useful electrical power from isotopic emis...

Tungsten alloy, tungsten alloy part, discharge lamp, transmitting t...

Encapsulated magnetron

Axial strapping of a multi-core (cascaded) magnetron

Magnetron

Impregnated yttric or gadolinium-containing Barium-aluminum-scandat...

Magnetron cathodes

High frequency cathode heater supply for a microwave source

Magnetron

Magnetron and device using microwaves

Cathode heating device of magnetron, microwave generating device an...

Metamaterial cathodes in multi-cavity magnetrons

Magnetron

Magnetron

Device for generation of microwaves

Device for generation of microwaves

Eggbeater transparent cathode for magnetrons and ubitrons and relat...

Magnetron

Magnetron with graphite nano-fibers on cathode

Mode seeding cathode for a relativistic magnetron

Magnetron

Patents Applicationslast 30 patents

RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOF

ELECTRON-EMITTING ELECTRODE INCLUDING MULTIPLE DIAMOND MEMBERS AND...

MAGNETRON

MAGNETRONS

TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...

ELECTRO MAGNETIC OSCILLATOR TUBE WITH ENHANCED ISOTOPES

Carburized La2O3 and Lu2O3 co-doped Mo filament cathode and its fab...

TUNGSTEN ALLOY, TUNGSTEN ALLOY PART, DISCHARGE LAMP, TRANSMITTING T...

AXIAL STRAPPING OF A MULTI-CORE (CASCADED) MAGNETRON

MAGNETRON

BEARING ARRANGEMENT FOR ROTATABLY MOUNTING AN ELECTRODE AND ELECTRO...

MAGNETRON

TUNGSTEN ALLOY, TUNGSTEN ALLOY PART, DISCHARGE LAMP, TRANSMITTING T...

MAGNETRON CATHODES

System For Generation Of Useful Electrical Power From Isotopic Emis...

Impregnated Yttric or Gadolinium-Containing Barium-Aluminum-Scandat...

MAGNETRON

HIGH FREQUENCY CATHODE HEATER SUPPLY FOR A MICROWAVE SOURCE

DEVICE FOR GENERATING HYPERFREQUENCY WAVES HAVING A CATHODE WHEREOF...

DEVICE FOR GENERATION OF MICROWAVES

MAGNETRON AND DEVICE USING MICROWAVES

CATHODE HEATING DEVICE OF MAGNETRON, MICROWAVE GENERATING DEVICE AN...

DEVICE FOR GENERATION OF MICROWAVES

MAGNETRON, MAGNETRON CATHODE BODY MANUFACTURING METHOD, AND CATHODE...

System for generation of useful electrical energy from isotopic ele...

BRAZING MATERIAL, ELECTRON TUBES, MAGNETRON AND METHOD FOR BRAZING

MAGNETRON

EGGBEATER TRANSPARENT CATHODE FOR MAGNETRONS AND UBITRONS AND RELAT...

Magnetron

Magnetron