Field emission, photo emission or secondary emission cathodes

Industry

CPC
H01J35/065

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J35/00X-ray tubes

Current Industry

H01J35/065Field emission, photo emission or secondary emission cathodes

Industries

Patents Grantslast 30 patents

Information Patent Grant
Particle beam gun control systems and methods
- Patent number 12,145,006
- Issue date Nov 19, 2024
- Varian Medical Systems, Inc.
- Mark Everett Trail
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply circuit and field emission electron source
- Patent number 12,149,170
- Issue date Nov 19, 2024
- NuRay Technology Co., Ltd
- Huaping Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission-type tomosynthesis system, emitter for field emissio...
- Patent number 12,087,540
- Issue date Sep 10, 2024
- CAT BEAM TECH CO., LTD.
- Jehwang Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CNT X-ray tube control system with dummy load
- Patent number 12,058,800
- Issue date Aug 6, 2024
- NANORAY CO., LTD
- Jae Yun Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for fabricating silicon die stacks for electron...
- Patent number 12,027,489
- Issue date Jul 2, 2024
- Ukyo Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission device, field emission method and positioning and fi...
- Patent number 11,990,308
- Issue date May 21, 2024
- Meidensha Corporation
- Takumi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Large scale stable field emitter for high current applications
- Patent number 11,955,306
- Issue date Apr 9, 2024
- MICRO-X LIMITED
- Robert C. Sheehy
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron emitter apparatus
- Patent number 11,955,307
- Issue date Apr 9, 2024
- Siemens Healthineers AG
- Christoph Jud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modular laser-produced plasma x-ray system
- Patent number 11,930,581
- Issue date Mar 12, 2024
- Brown University
- Daniel John DeCiccio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Guard electrode and field emission device
- Patent number 11,923,166
- Issue date Mar 5, 2024
- Meidensha Corporation
- Takumi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radiation tube and radiation source
- Patent number 11,923,165
- Issue date Mar 5, 2024
- FUJIFILM Corporation
- Masayoshi Matsuura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube for a stereoscopic imaging
- Patent number 11,901,152
- Issue date Feb 13, 2024
- Siemens Healthcare GmbH
- Peter Geithner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pulsed X-ray imaging
- Patent number 11,872,068
- Issue date Jan 16, 2024
- Rejean Fontaine
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Constant current-controlled power supply circuit and field emission...
- Patent number 11,830,698
- Issue date Nov 28, 2023
- NuRay Technology Co., Ltd
- Huaping Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CNT X-ray source apparatus including cathode electrode, emitter, ga...
- Patent number 11,791,122
- Issue date Oct 17, 2023
- Han Sung Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3D-printed field emission sources for compact systems
- Patent number 11,791,121
- Issue date Oct 17, 2023
- Massachusetts Institute of Technology
- Luis Fernando Velásquez-García
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission device and field emission method
- Patent number 11,776,785
- Issue date Oct 3, 2023
- Meidensha Corporation
- Hayato Ochi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor metrology and inspection based on an x-ray source wit...
- Patent number 11,719,652
- Issue date Aug 8, 2023
- KLA Corporation
- Yung-Ho Alex Chuang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light modulated electron source
- Patent number 11,715,615
- Issue date Aug 1, 2023
- KLA Corporation
- Edgardo Garcia Berrios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube
- Patent number 11,621,139
- Issue date Apr 4, 2023
- Electronics and Telecommunications Research Institute
- Jin-Woo Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter support structure and field emission device
- Patent number 11,615,937
- Issue date Mar 28, 2023
- Meidensha Corporation
- Hayato Ochi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for applying beamforming signal processing to RF modulated X...
- Patent number 11,576,249
- Issue date Feb 7, 2023
- MICRO-X LIMITED
- Brian Gonzales
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for producing radio frequency modulated X-ray radiation
- Patent number 11,570,878
- Issue date Jan 31, 2023
- MICRO-X LIMITED
- Brian Gonzales
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing electric field emission device
- Patent number 11,538,651
- Issue date Dec 27, 2022
- Electronics and Telecommunications Research Institute
- Ki Nam Yun
- B08 - CLEANING
Information Patent Grant
Carbon-metal structure and method for manufacturing carbon-metal st...
- Patent number 11,527,378
- Issue date Dec 13, 2022
- Waseda University
- Suguru Noda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
C-arm X-ray apparatus
- Patent number 11,490,865
- Issue date Nov 8, 2022
- ESSPEN GmbH
- Zahra Mohammadi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Particle beam gun control systems and methods
- Patent number 11,478,664
- Issue date Oct 25, 2022
- Varian Medical Systems, Inc.
- Mark Everett Trail
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
X-ray radiator
- Patent number 11,443,913
- Issue date Sep 13, 2022
- Siemens Healthcare GmbH
- Anja Fritzler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light modulated electron source
- Patent number 11,417,492
- Issue date Aug 16, 2022
- KLA Corporation
- Edgardo Garcia Berrios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron-emission device
- Patent number 11,373,835
- Issue date Jun 28, 2022
- Siemens Healthcare GmbH
- Josef Deuringer
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC FIELD EMISSION DEVICE
- Publication number 20250014853
- Publication date Jan 9, 2025
- MEIDENSHA CORPORATION
- Hayato OCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR PULSED X-RAY IMAGING OF A SUBJECT
- Publication number 20240379317
- Publication date Nov 14, 2024
- NANO-X IMAGING LTD.
- NIR EDEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR FABRICATING SILICON DIE STACKS FOR ELECTRON...
- Publication number 20240371819
- Publication date Nov 7, 2024
- NANO-X IMAGING LTD.
- Ukyo JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EFFECT ELECTRON EMITTER WITH GROUPED PART EMISSION SURFACES
- Publication number 20240290567
- Publication date Aug 29, 2024
- Siemens Healthineers AG
- Joerg FREUDENBERGER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LARGE SCALE STABLE FIELD EMITTER FOR HIGH CURRENT APPLICATIONS
- Publication number 20240266136
- Publication date Aug 8, 2024
- MICRO-X LIMITED
- Robert C. SHEEHY
- B82 - NANO-TECHNOLOGY
Information Patent Application
ENERGY TUNER FOR A GATED FIELD EMISSION CATHODE DEVICE, AND ASSOCIA...
- Publication number 20240234075
- Publication date Jul 11, 2024
- NCX Corporation
- Jian ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...
- Publication number 20240234074
- Publication date Jul 11, 2024
- AweXome Ray, Inc.
- Hong Soo CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULAR LASER-PRODUCED PLASMA X-RAY SYSTEM
- Publication number 20240188206
- Publication date Jun 6, 2024
- Research Instruments Corporation
- Daniel John DeCiccio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...
- Publication number 20240136142
- Publication date Apr 25, 2024
- AweXome Ray, Inc.
- Hong Soo CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DESIGN FOR FIELD EMITTER X-RAY SOURCE RELIABILITY
- Publication number 20240055215
- Publication date Feb 15, 2024
- X-Sight Incorporated
- Winston Chern
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVING X-RAY SOURCES WITH SWITCHABLE ELE...
- Publication number 20240047167
- Publication date Feb 8, 2024
- NANO-X IMAGING LTD.
- NIR EDEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR FABRICATING SILICON DIE STACKS FOR ELECTRON...
- Publication number 20240047415
- Publication date Feb 8, 2024
- NANO-X IMAGING LTD
- Ukyo JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY SYSTEM WITH FIELD EMITTERS AND ARC PROTECTION
- Publication number 20240006144
- Publication date Jan 4, 2024
- VAREX IMAGING CORPORATION
- Dave Kirkham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS, DEVICES, AND METHODS FOR MULTISOURCE VOLUMETRIC SPECTRAL C...
- Publication number 20230375484
- Publication date Nov 23, 2023
- The University of North Carolina at Chapel Hill
- Christina Inscoe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
GUARD ELECTRODE AND FIELD EMISSION DEVICE
- Publication number 20230298844
- Publication date Sep 21, 2023
- MEIDENSHA CORPORATION
- Takumi HAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MICRO FOCUS X-RAY TUBE USING NANO ELECTRIC FIELD EMITTER
- Publication number 20230223230
- Publication date Jul 13, 2023
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jin-Woo JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE AND FIELD EMISSION METHOD
- Publication number 20230197394
- Publication date Jun 22, 2023
- MEIDENSHA CORPORATION
- Hayato OCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE, FIELD EMISSION METHOD AND POSITIONING AND FI...
- Publication number 20230197395
- Publication date Jun 22, 2023
- MEIDENSHA CORPORATION
- Takumi HAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PARTICLE BEAM GUN CONTROL SYSTEMS AND METHODS
- Publication number 20230040534
- Publication date Feb 9, 2023
- Varian Medical Systems, Inc.
- Mark Everett Trail
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
X-RAY TUBE FOR A STEREOSCOPIC IMAGING
- Publication number 20230031968
- Publication date Feb 2, 2023
- Siemens Healthcare GmbH
- Peter GEITHNER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY CIRCUIT AND FIELD EMISSION ELECTRON SOURCE
- Publication number 20230036712
- Publication date Feb 2, 2023
- NuRay Technology Co., Ltd.
- Huaping TANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONSTANT DISCHARGE CURRENT BLEEDER
- Publication number 20220406555
- Publication date Dec 22, 2022
- Koninklijke Philips N.V.
- ROLF KARL OTTO BEHLING
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON NANOTUBE (CNT) PASTE EMITTER, METHOD OF MANUFACTURING THE SA...
- Publication number 20220399177
- Publication date Dec 15, 2022
- Korea University Research and Business Foundation
- Cheol Jin LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE EMISSION DEVICE AND X-RAY TUBE USING SAME
- Publication number 20220384136
- Publication date Dec 1, 2022
- WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
- Xiang XU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONSTANT CURRENT-CONTROLLED POWER SUPPLY CIRCUIT AND FIELD EMISSION...
- Publication number 20220375710
- Publication date Nov 24, 2022
- NuRay Technology Co., Ltd.
- Huaping TANG
- G05 - CONTROLLING REGULATING
Information Patent Application
ELECTRON EMITTER APPARATUS
- Publication number 20220359148
- Publication date Nov 10, 2022
- Siemens Healthcare GmbH
- Christoph JUD
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER SUPPORT STRUCTURE AND FIELD EMISSION DEVICE
- Publication number 20220351930
- Publication date Nov 3, 2022
- MEIDENSHA CORPORATION
- Hayato OCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light Modulated Electron Source
- Publication number 20220336180
- Publication date Oct 20, 2022
- KLA Corporation
- Edgardo Garcia Berrios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RADIATION TUBE AND RADIATION SOURCE
- Publication number 20220285121
- Publication date Sep 8, 2022
- FUJIFILM CORPORATION
- Masayoshi MATSUURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MODULAR LASER-PRODUCED PLASMA X-RAY SYSTEM
- Publication number 20220256681
- Publication date Aug 11, 2022
- Research Instruments Corporation
- Daniel John DeCiccio
- H01 - BASIC ELECTRIC ELEMENTS

Field emission, photo emission or secondary emission cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Particle beam gun control systems and methods

Power supply circuit and field emission electron source

Field emission-type tomosynthesis system, emitter for field emissio...

CNT X-ray tube control system with dummy load

Systems and methods for fabricating silicon die stacks for electron...

Field emission device, field emission method and positioning and fi...

Large scale stable field emitter for high current applications

Electron emitter apparatus

Modular laser-produced plasma x-ray system

Guard electrode and field emission device

Radiation tube and radiation source

X-ray tube for a stereoscopic imaging

Pulsed X-ray imaging

Constant current-controlled power supply circuit and field emission...

CNT X-ray source apparatus including cathode electrode, emitter, ga...

3D-printed field emission sources for compact systems

Field emission device and field emission method

Semiconductor metrology and inspection based on an x-ray source wit...

Light modulated electron source

X-ray tube

Emitter support structure and field emission device

Device for applying beamforming signal processing to RF modulated X...

Device for producing radio frequency modulated X-ray radiation

Method for manufacturing electric field emission device

Carbon-metal structure and method for manufacturing carbon-metal st...

C-arm X-ray apparatus

Particle beam gun control systems and methods

X-ray radiator

Light modulated electron source

Electron-emission device

Patents Applicationslast 30 patents

ELECTRIC FIELD EMISSION DEVICE

SYSTEMS AND METHODS FOR PULSED X-RAY IMAGING OF A SUBJECT

SYSTEMS AND METHODS FOR FABRICATING SILICON DIE STACKS FOR ELECTRON...

FIELD EFFECT ELECTRON EMITTER WITH GROUPED PART EMISSION SURFACES

LARGE SCALE STABLE FIELD EMITTER FOR HIGH CURRENT APPLICATIONS

ENERGY TUNER FOR A GATED FIELD EMISSION CATHODE DEVICE, AND ASSOCIA...

EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...

MODULAR LASER-PRODUCED PLASMA X-RAY SYSTEM

EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...

DESIGN FOR FIELD EMITTER X-RAY SOURCE RELIABILITY

SYSTEMS AND METHODS FOR IMPROVING X-RAY SOURCES WITH SWITCHABLE ELE...

SYSTEMS AND METHODS FOR FABRICATING SILICON DIE STACKS FOR ELECTRON...

X-RAY SYSTEM WITH FIELD EMITTERS AND ARC PROTECTION

SYSTEMS, DEVICES, AND METHODS FOR MULTISOURCE VOLUMETRIC SPECTRAL C...

GUARD ELECTRODE AND FIELD EMISSION DEVICE

MICRO FOCUS X-RAY TUBE USING NANO ELECTRIC FIELD EMITTER

FIELD EMISSION DEVICE AND FIELD EMISSION METHOD

FIELD EMISSION DEVICE, FIELD EMISSION METHOD AND POSITIONING AND FI...

PARTICLE BEAM GUN CONTROL SYSTEMS AND METHODS

X-RAY TUBE FOR A STEREOSCOPIC IMAGING

POWER SUPPLY CIRCUIT AND FIELD EMISSION ELECTRON SOURCE

CONSTANT DISCHARGE CURRENT BLEEDER

CARBON NANOTUBE (CNT) PASTE EMITTER, METHOD OF MANUFACTURING THE SA...

CATHODE EMISSION DEVICE AND X-RAY TUBE USING SAME

CONSTANT CURRENT-CONTROLLED POWER SUPPLY CIRCUIT AND FIELD EMISSION...

ELECTRON EMITTER APPARATUS

EMITTER SUPPORT STRUCTURE AND FIELD EMISSION DEVICE

Light Modulated Electron Source

RADIATION TUBE AND RADIATION SOURCE

MODULAR LASER-PRODUCED PLASMA X-RAY SYSTEM