with other metal oxides as an emissive material

Industry

CPC
H01J1/144

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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

H01J1/144with other metal oxides as an emissive material

Industries

Patents Grantslast 30 patents

Information Patent Grant
Thermionic emission device and method for making the same
- Patent number 11,195,686
- Issue date Dec 7, 2021
- Tsinghua University
- Xin-He Yang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic tungsten/scandate cathodes and method of making the same
- Patent number 11,075,049
- Issue date Jul 27, 2021
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
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
Electrical potential energy to electrical kinetic energy converter,...
- Patent number 10,910,211
- Issue date Feb 2, 2021
- Seongsik Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission element, electrification apparatus, and image for...
- Patent number 10,727,021
- Issue date Jul 28, 2020
- SHARP KABUSHIKI KAISHA
- Katsumi Adachi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic tungsten/scandate cathodes and methods of making the same
- Patent number 10,497,530
- Issue date Dec 3, 2019
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
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
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
Method of manufacturing rhenium alloy emission filaments
- Patent number 8,226,449
- Issue date Jul 24, 2012
- Scientific Instrument Services, Inc.
- John J. Manura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Emission filaments made from a rhenium alloy and method of manufact...
- Patent number 8,134,290
- Issue date Mar 13, 2012
- Scientific Instrument Services, Inc.
- John J. Manura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Electron source
- Patent number 7,969,080
- Issue date Jun 28, 2011
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshinori Terui
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Emissive electrode materials for electric lamps and methods of making
- Patent number 7,786,661
- Issue date Aug 31, 2010
- General Electric Company
- Istvan Deme
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Material for electrodes of low temperature plasma generators
- Patent number 7,671,523
- Issue date Mar 2, 2010
- Lawrence Livermore National Security, LLC
- Malcolm Caplan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Composite electrode materials for electric lamps and methods of man...
- Patent number 6,879,091
- Issue date Apr 12, 2005
- General Electric Company
- Shankar Madras Venugopal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode and process for producing the same
- Patent number 6,559,582
- Issue date May 6, 2003
- New Japan Radio Co., Ltd.
- Hiroyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode material for fluorescent lamps
- Patent number 6,384,534
- Issue date May 7, 2002
- General Electric Company
- Alok Mani Srivastava
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cathode with an electron emitting layer for a cathode ray tube
- Patent number 6,232,708
- Issue date May 15, 2001
- Samsung Display Devices Co., Ltd.
- Suk-ki Kim
- 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
Cathode for electron tube
- Patent number 5,977,699
- Issue date Nov 2, 1999
- Samsung Display Devices Co., Ltd.
- Kyu-nam Joo
- 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
Oxide cathode employing Ba evaporation restraining layer
- Patent number 5,548,184
- Issue date Aug 20, 1996
- Samsung Display Devices Co., Ltd.
- Kwi-seok Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide-coated cathode for CRT and manufacturing method thereof
- Patent number 5,121,027
- Issue date Jun 9, 1992
- Samsung Electron Devices Co., Ltd.
- Hwan-Chul N.
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide cathode
- Patent number 5,075,589
- Issue date Dec 24, 1991
- U.S. Philips Corporation
- Petrus J. A. M. Derks
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hexagonal-bipyramid crystalline scandium oxide powder and a process...
- Patent number 4,980,141
- Issue date Dec 25, 1990
- Mitsubishi Kinzoku Kabushiki Kaisha
- Etsuji Kimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Thermionic emitter of lanthanum strontium vanadates
- Patent number 3,944,866
- Issue date Mar 16, 1976
- Canadian Patents & Development Ltd.
- Michael Sayer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2744073
- Patent number 2,744,073
- Issue date May 1, 1956
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
1971076
- Patent number 1,971,076
- Issue date Aug 21, 1934
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FUNCTIONAL METAL OXIDES AND METHODS OF MAKING SAME
- Publication number 20220325439
- Publication date Oct 13, 2022
- William A. PHELAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20210217572
- Publication date Jul 15, 2021
- TSINGHUA UNIVERSITY
- XIN-HE YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermionic Tungsten/Scandate Cathodes and Method of Making The Same
- Publication number 20200043691
- Publication date Feb 6, 2020
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Application
ELECTRICAL POTENTIAL ENERGY TO ELECTRICAL KINETIC ENERGY CONVERTER,...
- Publication number 20190378707
- Publication date Dec 12, 2019
- Seongsik Chang
- H01 - BASIC ELECTRIC ELEMENTS
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
Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same
- Publication number 20160300684
- Publication date Oct 13, 2016
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNGSTEN ALLOY PART, AND DISCHARGE LAMP, TRANSMITTING TUBE, AND MAG...
- Publication number 20150125340
- Publication date May 7, 2015
- Kabushiki Kaisha Toshiba
- Shinichi YAMAMOTO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Method of manufacturing rhenium alloy emission filaments
- Publication number 20110306264
- Publication date Dec 15, 2011
- Scientific Instrument Services, Inc.
- John J. Manura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Emission filaments made from a rhenium alloy and method of manufact...
- Publication number 20100277051
- Publication date Nov 4, 2010
- Scientific Instrument Services, Inc.
- John J. Manura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ELECTRON SOURCE
- Publication number 20100019649
- Publication date Jan 28, 2010
- Denki Kagaku Kogyo Kabushiki Kaisha 1-1, Nihonbashi-Muromachi 2-chome
- Yoshinori Terui
- B82 - NANO-TECHNOLOGY
Information Patent Application
MATERIAL FOR ELECTRODES OF LOW TEMPERATURE PLASMA GENERATORS
- Publication number 20100007262
- Publication date Jan 14, 2010
- The Regents of the University of California.
- Malcolm Caplan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
EMISSIVE ELECTRODE MATERIALS FOR ELECTRIC LAMPS AND METHODS OF MAKING
- Publication number 20090302765
- Publication date Dec 10, 2009
- Istvan DEME
- H01 - BASIC ELECTRIC ELEMENTS
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
Composite electrode materials for electric lamps and methods of man...
- Publication number 20040239225
- Publication date Dec 2, 2004
- Shankar Madras Venugopal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode and process for producing the same
- Publication number 20020024281
- Publication date Feb 28, 2002
- NEW JAPAN RADIO CO., LTD.
- Hiroyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode and process for producing the same
- Publication number 20020024280
- Publication date Feb 28, 2002
- NEW JAPAN RADIO CO., LTD.
- Hiroyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS

with other metal oxides as an emissive material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Thermionic emission device and method for making the same

Thermionic tungsten/scandate cathodes and method of making the same

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

Electrical potential energy to electrical kinetic energy converter,...

Electron emission element, electrification apparatus, and image for...

Thermionic tungsten/scandate cathodes and methods of making the same

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

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

Method of manufacturing rhenium alloy emission filaments

Emission filaments made from a rhenium alloy and method of manufact...

Electron source

Emissive electrode materials for electric lamps and methods of making

Material for electrodes of low temperature plasma generators

Composite electrode materials for electric lamps and methods of man...

Cathode and process for producing the same

Electrode material for fluorescent lamps

Cathode with an electron emitting layer for a cathode ray tube

Electron emission materials and components

Electron emission materials and components

Cathode for electron tube

Electron emission materials and components

Oxide cathode employing Ba evaporation restraining layer

Oxide-coated cathode for CRT and manufacturing method thereof

Oxide cathode

Hexagonal-bipyramid crystalline scandium oxide powder and a process...

Thermionic emitter of lanthanum strontium vanadates

2744073

1971076

Patents Applicationslast 30 patents

FUNCTIONAL METAL OXIDES AND METHODS OF MAKING SAME

THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME

Thermionic Tungsten/Scandate Cathodes and Method of Making The Same

ELECTRICAL POTENTIAL ENERGY TO ELECTRICAL KINETIC ENERGY CONVERTER,...

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

Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same

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

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

Method of manufacturing rhenium alloy emission filaments

Emission filaments made from a rhenium alloy and method of manufact...

ELECTRON SOURCE

MATERIAL FOR ELECTRODES OF LOW TEMPERATURE PLASMA GENERATORS

EMISSIVE ELECTRODE MATERIALS FOR ELECTRIC LAMPS AND METHODS OF MAKING

CATHODE COMPOSED OF MATERIALS WITH DIFFERENT ELECTRON WORKS FUNCTIONS

Composite electrode materials for electric lamps and methods of man...

Cathode and process for producing the same

Cathode and process for producing the same