Photo-emissive cathodes

Industry

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H01J1/34

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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

H01J1/34Photo-emissive cathodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Photo-cathode for a vacuum system
- Patent number 12,261,010
- Issue date Mar 25, 2025
- Hamamatsu Photonics K.K.
- Peter Uhd Jepsen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronically addressable display incorporated into a transmission...
- Patent number 12,224,148
- Issue date Feb 11, 2025
- Elbit Systems of America, LLC
- Arlynn Walter Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun and electron microscope
- Patent number 12,217,928
- Issue date Feb 4, 2025
- HITACHI HIGH-TECH CORPORATION
- Hideo Morishita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric coated plasmonic photoemitter
- Patent number 12,183,535
- Issue date Dec 31, 2024
- Board of Trustees of Michigan State University
- Peng Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun and electron beam application apparatus
- Patent number 12,165,828
- Issue date Dec 10, 2024
- HITACHI HIGH-TECH CORPORATION
- Takashi Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoelectric-surface electron source
- Patent number 12,142,450
- Issue date Nov 12, 2024
- Hamamatsu Photonics K.K.
- Tomohiko Hirano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun, electron beam applicator, emission axis verification...
- Patent number 12,080,507
- Issue date Sep 3, 2024
- Photo electron Soul Inc.
- Hokuto Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode kit, electron gun, and electron beam applicator
- Patent number 12,033,827
- Issue date Jul 9, 2024
- Photo electron Soul Inc.
- Haruka Shikano
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact proximity focused image sensor
- Patent number 12,002,834
- Issue date Jun 4, 2024
- EOTech, LLC
- Kenneth Costello
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkali semi-metal films and method and apparatus for fabricating them
- Patent number 11,881,391
- Issue date Jan 23, 2024
- Radiation Monitoring Devices, Inc.
- Harish B. Bhandari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photocathode, and method for manufacturing photocathode
- Patent number 11,728,119
- Issue date Aug 15, 2023
- National University Corporation Shizuoka University
- Atsushi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron-emitting element
- Patent number 11,657,997
- Issue date May 23, 2023
- Kabushiki Kaisha Toshiba
- Shigeya Kimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing microrods for electron emitters, and associated...
- Patent number 11,651,924
- Issue date May 16, 2023
- FEI Company
- Kun Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact proximity focused image sensor
- Patent number 11,621,289
- Issue date Apr 4, 2023
- EOTech, LLC
- Kenneth Costello
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron photoinjector
- Patent number 11,562,874
- Issue date Jan 24, 2023
- Arizona Board of Regents on behalf of Arizona State University
- William Graves
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasmonic photocathode emitters at ultraviolet and visible wavelengths
- Patent number 11,495,428
- Issue date Nov 8, 2022
- KLA Corporation
- Katerina Ioakeimidi
- G02 - OPTICS
Information Patent Grant
Incident axis alignment method for electron gun equipped with photo...
- Patent number 11,417,494
- Issue date Aug 16, 2022
- Photo electron Soul Inc.
- Reiki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Plasmonic photocathode emitters
- Patent number 11,217,416
- Issue date Jan 4, 2022
- KLA Corporation
- Sergei Belousov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun, electron beam applicator, method for releasing electr...
- Patent number 11,195,685
- Issue date Dec 7, 2021
- Photo electron Soul Inc.
- Hokuto Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkali semi-metal films and method and apparatus for fabricating them
- Patent number 11,094,495
- Issue date Aug 17, 2021
- Radiation Monitoring Devices, Inc.
- Harish B. Bhandari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode including silicon substrate with boron layer
- Patent number 11,081,310
- Issue date Aug 3, 2021
- KLA-Tencor Corporation
- Yung-Ho Alex Chuang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode with nanowires and method of manufacturing such a phot...
- Patent number 11,043,350
- Issue date Jun 22, 2021
- Photonis France
- Claude Alibert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron photoinjector
- Patent number 11,031,206
- Issue date Jun 8, 2021
- Arizona Board of Regents on behalf of Arizona State University
- William (Bill) Graves
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fast spin-polarized electron source
- Patent number 11,011,337
- Issue date May 18, 2021
- Nutech Ventures
- Timothy J. Gay
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hybrid solar generator
- Patent number 10,984,995
- Issue date Apr 20, 2021
- GE Aviation Systems LLC
- John Xiaozhong Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron multiplier production method and electron multiplier
- Patent number 10,957,522
- Issue date Mar 23, 2021
- Hamamatsu Photonics K.K.
- Hiroshi Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode designs and methods of generating an electron beam usi...
- Patent number 10,804,069
- Issue date Oct 13, 2020
- KLA-Tencor Corporation
- Katerina Ioakeimidi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode including field emitter array on a silicon substrate w...
- Patent number 10,748,730
- Issue date Aug 18, 2020
- KLA-Tencor Corporation
- Yung-Ho Alex Chuang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam generation and measurement
- Patent number 10,748,737
- Issue date Aug 18, 2020
- KLA-Tencor Corporation
- Katerina Ioakeimidi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer scale image intensifier
- Patent number 10,734,184
- Issue date Aug 4, 2020
- Elbit Systems of America, LLC
- Arlynn W. Smith
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON BEAM APPLICATION DEVICE AND METHOD FOR CREATING DETECTION...
- Publication number 20240412939
- Publication date Dec 12, 2024
- PHOTO ELECTRON SOUL INC.
- Tomohiro NISHITANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION METHOD
- Publication number 20240355572
- Publication date Oct 24, 2024
- Hamamatsu Photonics K.K.
- Naoya KAWAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICES AND METHODS INVOLVING SEMICONDUCTING MATERIAL(S) FOR PHOTOC...
- Publication number 20240282542
- Publication date Aug 22, 2024
- The Board of Trustees of the Leland Stanford Junior University
- Evan R. Antoniuk
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRON EMITTER STRUCTURE, EXTERNAL PHOTOELECTRIC EFFECT EMITTER,...
- Publication number 20240266134
- Publication date Aug 8, 2024
- DBT GMBH
- THEODOR DOLL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PROTECTING REACTIVE MATERIALS WITH ATOMICALLY THIN FILM
- Publication number 20240242913
- Publication date Jul 18, 2024
- Cornell University
- Melissa A. Hines
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A UV SENSITIVE PHOTOCATHODE, A METHOD FOR PRODUCING A UV SENSITIVE...
- Publication number 20240234072
- Publication date Jul 11, 2024
- FENNO-AURUM OY
- Heikki Johannes Sipilä
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Electron Gun, Electron Beam Applying Device, and Irradiation Positi...
- Publication number 20240222062
- Publication date Jul 4, 2024
- Photo electron Soul, Inc.
- Tomohiro NISHITANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOCATHODE INCLUDING NANOSTRUCTURES FOR EXTENDED WAVELENGTHS
- Publication number 20240170246
- Publication date May 23, 2024
- L3HARRIS TECHNOLOGIES, INC.
- Bed PANTHA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PATHOGENIC CONTROL COMPOSITIONS AND METHODS
- Publication number 20240156101
- Publication date May 16, 2024
- Salveo, Inc.
- John Kenneth Bracewell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A UV SENSITIVE PHOTOCATHODE, A METHOD FOR PRODUCING A UV SENSITIVE...
- Publication number 20240136139
- Publication date Apr 25, 2024
- FENNO-AURUM OY
- Heikki Johannes Sipilä
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ELECTRON GUN AND ELECTRON BEAM APPLICATION APPARATUS
- Publication number 20240120168
- Publication date Apr 11, 2024
- Hitachi High-Tech Corporation
- Takashi Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOELECTRIC-SURFACE ELECTRON SOURCE
- Publication number 20230343541
- Publication date Oct 26, 2023
- Hamamatsu Photonics K.K.
- Tomohiko HIRANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPACT PROXIMITY FOCUSED IMAGE SENSOR
- Publication number 20230282670
- Publication date Sep 7, 2023
- EOTech, LLC
- Kenneth Costello
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONICALLY-TUNABLE, AIR-STABLE, NEGATIVE ELECTRON AFFINITY SEMI...
- Publication number 20230215678
- Publication date Jul 6, 2023
- University of Southern California
- Rehan KAPADIA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOCATHODE, AND METHOD FOR MANUFACTURING PHOTOCATHODE
- Publication number 20230187161
- Publication date Jun 15, 2023
- NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
- Atsushi NAKAMURA
- 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 AND ELECTRON MICROSCOPE
- Publication number 20220406558
- Publication date Dec 22, 2022
- HITACHI HIGH-TECH CORPORATION
- Hideo MORISHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON GUN, ELECTRON BEAM APPLICATION DEVICE, METHOD FOR VERIFYIN...
- Publication number 20220359146
- Publication date Nov 10, 2022
- PHOTO ELECTRON SOUL INC.
- Hokuto Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...
- Publication number 20220336179
- Publication date Oct 20, 2022
- KOBELCO RESEARCH INSTITUTE, INC.
- Kenji KOGA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PHOTO-CATHODE FOR A VACUUM SYSTEM
- Publication number 20220310349
- Publication date Sep 29, 2022
- Technical University of Denmark
- Peter Uhd JEPSEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON BEAM DEVICES WITH SEMICONDUCTOR ULTRAVIOLET LIGHT SOURCE
- Publication number 20220301804
- Publication date Sep 22, 2022
- Gaska Consulting, LLC
- Remigijus Gaska
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTOCATHODE KIT, ELECTRON GUN, AND ELECTRON BEAM APPLICATION DEVICE
- Publication number 20220181111
- Publication date Jun 9, 2022
- PHOTO ELECTRON SOUL INC.
- Haruka SHIKANO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON PHOTOINJECTOR
- Publication number 20210398768
- Publication date Dec 23, 2021
- Arizona Board of Regents on behalf of Arizona State University
- William (Bill) Graves
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INCIDENT AXIS ALIGNMENT METHOD FOR ELECTRON GUN EQUIPPED WITH PHOTO...
- Publication number 20210375578
- Publication date Dec 2, 2021
- PHOTO ELECTRON SOUL INC.
- Reiki Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONICALLY ADDRESSABLE DISPLAY INCORPORATED INTO A TRANSMISSION...
- Publication number 20210335566
- Publication date Oct 28, 2021
- Elbit Systems of America, LLC
- Arlynn Walter Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON BEAM APPLICATION DEVICE
- Publication number 20210319970
- Publication date Oct 14, 2021
- Hitachi High-Tech Corporation
- Takashi Ohshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON-EMITTING ELEMENT
- Publication number 20210142973
- Publication date May 13, 2021
- Kabushiki Kaisha Toshiba
- Shigeya Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON GUN, ELECTRON BEAM APPLICATION DEVICE, METHOD FOR EMITTING...
- Publication number 20210134551
- Publication date May 6, 2021
- PHOTO ELECTRON SOUL INC.
- Hokuto Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLASMONIC PHOTOCATHODE EMITTERS
- Publication number 20210098223
- Publication date Apr 1, 2021
- KLA Corporation
- Sergei Belousov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID SOLAR GENERATOR
- Publication number 20200381227
- Publication date Dec 3, 2020
- GE AVIATION SYSTEMS LLC
- John Xiaozhong Wang
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Photo-emissive cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Photo-cathode for a vacuum system

Electronically addressable display incorporated into a transmission...

Electron gun and electron microscope

Dielectric coated plasmonic photoemitter

Electron gun and electron beam application apparatus

Photoelectric-surface electron source

Electron gun, electron beam applicator, emission axis verification...

Photocathode kit, electron gun, and electron beam applicator

Compact proximity focused image sensor

Alkali semi-metal films and method and apparatus for fabricating them

Photocathode, and method for manufacturing photocathode

Electron-emitting element

Method of producing microrods for electron emitters, and associated...

Compact proximity focused image sensor

Electron photoinjector

Plasmonic photocathode emitters at ultraviolet and visible wavelengths

Incident axis alignment method for electron gun equipped with photo...

Plasmonic photocathode emitters

Electron gun, electron beam applicator, method for releasing electr...

Alkali semi-metal films and method and apparatus for fabricating them

Photocathode including silicon substrate with boron layer

Photocathode with nanowires and method of manufacturing such a phot...

Electron photoinjector

Fast spin-polarized electron source

Hybrid solar generator

Electron multiplier production method and electron multiplier

Photocathode designs and methods of generating an electron beam usi...

Photocathode including field emitter array on a silicon substrate w...

Electron beam generation and measurement

Wafer scale image intensifier

Patents Applicationslast 30 patents

ELECTRON BEAM APPLICATION DEVICE AND METHOD FOR CREATING DETECTION...

PHOTOELECTRIC CONVERSION DEVICE AND PHOTOELECTRIC CONVERSION METHOD

DEVICES AND METHODS INVOLVING SEMICONDUCTING MATERIAL(S) FOR PHOTOC...

ELECTRON EMITTER STRUCTURE, EXTERNAL PHOTOELECTRIC EFFECT EMITTER,...

METHOD FOR PROTECTING REACTIVE MATERIALS WITH ATOMICALLY THIN FILM

A UV SENSITIVE PHOTOCATHODE, A METHOD FOR PRODUCING A UV SENSITIVE...

Electron Gun, Electron Beam Applying Device, and Irradiation Positi...

PHOTOCATHODE INCLUDING NANOSTRUCTURES FOR EXTENDED WAVELENGTHS

PATHOGENIC CONTROL COMPOSITIONS AND METHODS

A UV SENSITIVE PHOTOCATHODE, A METHOD FOR PRODUCING A UV SENSITIVE...

ELECTRON GUN AND ELECTRON BEAM APPLICATION APPARATUS

PHOTOELECTRIC-SURFACE ELECTRON SOURCE

COMPACT PROXIMITY FOCUSED IMAGE SENSOR

ELECTRONICALLY-TUNABLE, AIR-STABLE, NEGATIVE ELECTRON AFFINITY SEMI...

PHOTOCATHODE, AND METHOD FOR MANUFACTURING PHOTOCATHODE

Dielectric Coated Plasmonic Photoemitter

ELECTRON GUN AND ELECTRON MICROSCOPE

ELECTRON GUN, ELECTRON BEAM APPLICATION DEVICE, METHOD FOR VERIFYIN...

CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...

PHOTO-CATHODE FOR A VACUUM SYSTEM

ELECTRON BEAM DEVICES WITH SEMICONDUCTOR ULTRAVIOLET LIGHT SOURCE

PHOTOCATHODE KIT, ELECTRON GUN, AND ELECTRON BEAM APPLICATION DEVICE

ELECTRON PHOTOINJECTOR

INCIDENT AXIS ALIGNMENT METHOD FOR ELECTRON GUN EQUIPPED WITH PHOTO...

ELECTRONICALLY ADDRESSABLE DISPLAY INCORPORATED INTO A TRANSMISSION...

ELECTRON BEAM APPLICATION DEVICE

ELECTRON-EMITTING ELEMENT

ELECTRON GUN, ELECTRON BEAM APPLICATION DEVICE, METHOD FOR EMITTING...

PLASMONIC PHOTOCATHODE EMITTERS

HYBRID SOLAR GENERATOR