Cathodes

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CPC
H01J35/06

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Parent Industries

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

Current Industry

H01J35/06Cathodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum tube insert assembly with feed-through pin plug and mating s...
- Patent number 12,322,567
- Issue date Jun 3, 2025
- Varex Imaging Corporation
- Gregory Robert Spencer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray cathode focusing element
- Patent number 12,308,199
- Issue date May 20, 2025
- GE Precision Healthcare LLC
- Kevin S. Kruse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for controlling thermal conduction in X-ray tub...
- Patent number 12,285,906
- Issue date Apr 29, 2025
- GE Precision Healthcare LLC
- Kevin Kruse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube with inner-collimator
- Patent number 12,283,450
- Issue date Apr 22, 2025
- Moxtek, Inc.
- Kasey Otho Greenland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Micro focus X-ray tube using nano electric field emitter
- Patent number 12,283,448
- Issue date Apr 22, 2025
- Electronics and Telecommunications Research Institute
- Jin-Woo Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for preparing cathode material
- Patent number 12,263,635
- Issue date Apr 1, 2025
- WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
- Sang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbon nanotube (CNT) paste emitter, method of manufacturing the sa...
- Patent number 12,266,519
- Issue date Apr 1, 2025
- Korea University Research and Business Foundation
- Cheol Jin Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Large scale stable field emitter for high current applications
- Patent number 12,249,477
- Issue date Mar 11, 2025
- MICRO-X LIMITED
- Robert C. Sheehy
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Biased cathode assembly of an X-ray tube with improved thermal mana...
- Patent number 12,230,494
- Issue date Feb 18, 2025
- GE Precision Healthcare LLC
- Andrew Thomas Cross
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray system with field emitters and arc protection
- Patent number 12,230,468
- Issue date Feb 18, 2025
- Varex Imaging Corporation
- Dave Kirkham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for improving x-ray sources with switchable ele...
- Patent number 12,224,150
- Issue date Feb 11, 2025
- Nir Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Open microfocus x-ray source and control method thereof
- Patent number 12,224,151
- Issue date Feb 11, 2025
- WUXI UNICOMP TECHNOLOGY CO., LTD.
- Xiaojun Qiu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube with distributed filaments
- Patent number 12,198,887
- Issue date Jan 14, 2025
- John Thomas Canazon
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
X-ray tube
- Patent number 12,191,108
- Issue date Jan 7, 2025
- CANON ELECTRON TUBES & DEVICES CO., LTD.
- Katsunori Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray cathode focusing element
- Patent number 12,183,536
- Issue date Dec 31, 2024
- GE Precision Healthcare LLC
- Kevin Kruse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam generation source, electron beam emission device, and...
- Patent number 12,176,175
- Issue date Dec 24, 2024
- Hamamatsu Photonics K.K.
- Dai Haraguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System for at least one of calibration or quality control of an FFS...
- Patent number 12,154,751
- Issue date Nov 26, 2024
- Siemens Healthineers AG
- Marcus Radicke
- H01 - BASIC ELECTRIC ELEMENTS
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
X-ray tube and method of manufacturing X-ray tube
- Patent number 12,125,660
- Issue date Oct 22, 2024
- CANON ELECTRON TUBES & DEVICES CO., LTD.
- Junki Sone
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube
- Patent number 12,125,661
- Issue date Oct 22, 2024
- Electronics and Telecommunications Research Institute
- Yoon-Ho Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube device
- Patent number 12,100,573
- Issue date Sep 24, 2024
- CANON ELECTRON TUBES & DEVICES CO., LTD.
- Toshimi Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum tube amplifier module and assembly method thereof
- Patent number 12,101,064
- Issue date Sep 24, 2024
- DREAMUS COMPANY
- Sun Yeol Lee
- 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
Radiation tube attachment member, radiation source, and tomosynthes...
- Patent number 12,051,559
- Issue date Jul 30, 2024
- FUJIFILM Corporation
- Masayoshi Matsuura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hybrid multi-source x-ray source and imaging system
- Patent number 12,046,442
- Issue date Jul 23, 2024
- VEC Imaging GmbH & Co. KG
- Houman Jafari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube cathode focusing element
- Patent number 12,046,441
- Issue date Jul 23, 2024
- GE Precision Healthcare LLC
- Sergio Lemaitre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radiation therapy head and radiation therapy apparatus
- Patent number 12,036,424
- Issue date Jul 16, 2024
- OUR UNITED CORPORATION
- Huiliang Wang
- 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

Patents Applicationslast 30 patents

Information Patent Application
X-RAY TUBE
- Publication number 20250191872
- Publication date Jun 12, 2025
- HAMAMATSU PHOTONICS K. K.
- Yasuhiro HIKOSAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION X-RAY SOURCE DEVICE
- Publication number 20250191871
- Publication date Jun 12, 2025
- Vatech Co., Ltd.
- Duckhwan YOON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTELLIGENT INTERVENTION ALLOCATION FOR MEDICAL IMAGING SCANNERS
- Publication number 20250182996
- Publication date Jun 5, 2025
- GE Precision Healthcare LLC
- Thomas Mc Carthy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Digitally Addressable Sample Irradiator
- Publication number 20250172508
- Publication date May 29, 2025
- Stellarray, Incorporated
- Mark Eaton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron gun device
- Publication number 20250157778
- Publication date May 15, 2025
- COMET AG
- Daniel DEUTSCHBAUER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR REGULATING HIGH VOLTAGE SUPPLY OF AN X-RAY...
- Publication number 20250140506
- Publication date May 1, 2025
- NANO-X IMAGING LTD.
- NIR EDEN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STRATEGY FOR CONTROLLING CATHODE WIDTH VOLTAGE
- Publication number 20250120005
- Publication date Apr 10, 2025
- GE Precision Healthcare LLC
- Yannick Louvrier
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE ASSEMBLIES, METHODS FOR ADJUSTING FOCAL POINTS OF X-RAYS, A...
- Publication number 20250104957
- Publication date Mar 27, 2025
- WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
- Heng TANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBES, METHODS AND SYSTEMS FOR ADJUSTING FOCAL POINTS OF X-RA...
- Publication number 20250106972
- Publication date Mar 27, 2025
- WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
- Heng TANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-Ray Tube Anode with Optimized Area Focal Spot Track
- Publication number 20250087439
- Publication date Mar 13, 2025
- GE Precision Healthcare LLC
- Rémy Klausz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MOUNTED PLANAR FILAMENT
- Publication number 20250079108
- Publication date Mar 6, 2025
- MOXTEK, INC.
- Kasey Otho Greenland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE WITH STABLE ELECTRON BEAM
- Publication number 20250062094
- Publication date Feb 20, 2025
- MOXTEK, INC.
- Kasey Otho Greenland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND ARRANGEMENT FOR AN X-RAY SOURCE
- Publication number 20250046560
- Publication date Feb 6, 2025
- Excillum AB
- Per Takman
- H01 - BASIC ELECTRIC ELEMENTS
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
ELECTRON EMITTER FOR MULTIPLE FOCAL SPOT SIZES
- Publication number 20240420912
- Publication date Dec 19, 2024
- Siemens Healthineers AG
- Christoph JUD
- 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
X-RAY TUBE CATHODE FOCUSING ELEMENT
- Publication number 20240347310
- Publication date Oct 17, 2024
- GE Precision Healthcare LLC
- Sergio Lemaitre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE AND ASSOCIATED MANUFACTURING PROCESS
- Publication number 20240347307
- Publication date Oct 17, 2024
- COMET Holding AG
- Adrian Riedo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE
- Publication number 20240339282
- Publication date Oct 10, 2024
- CANON ELECTRON TUBES & DEVICES CO., LTD.
- Naoki TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID MULTI-SOURCE X-RAY SOURCE AND IMAGING SYSTEM
- Publication number 20240339283
- Publication date Oct 10, 2024
- VEC Imaging GmbH & Co. KG
- Houman Jafari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY CATHODE SHIELD
- Publication number 20240339285
- Publication date Oct 10, 2024
- GE Precision Healthcare LLC
- Kevin S. KRUSE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY CATHODE SHIELD
- Publication number 20240339284
- Publication date Oct 10, 2024
- GE Precision Healthcare LLC
- Kevin S. Kruse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Composite Electron Beam Vacuum Tube
- Publication number 20240312754
- Publication date Sep 19, 2024
- The Boeing Company
- Michael K. Strahan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOF
- Publication number 20240297009
- Publication date Sep 5, 2024
- Shanghai United Imaging Healthcare Co., Ltd.
- Cheng NI
- 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
BIASED CATHODE ASSEMBLY OF AN X-RAY TUBE WITH IMPROVED THERMAL MANA...
- Publication number 20240282544
- Publication date Aug 22, 2024
- GE Precision Healthcare LLC
- Andrew Thomas Cross
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-RADIOISOTOPE X-RAY DEVICE
- Publication number 20240284579
- Publication date Aug 22, 2024
- Xelera Research LLC
- Bruce Dunham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE
- Publication number 20240274392
- Publication date Aug 15, 2024
- HAMAMATSU PHOTONICS K. K.
- Atsushi ISHII
- 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

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Vacuum tube insert assembly with feed-through pin plug and mating s...

X-ray cathode focusing element

Systems and methods for controlling thermal conduction in X-ray tub...

X-ray tube with inner-collimator

Micro focus X-ray tube using nano electric field emitter

Method and system for preparing cathode material

Carbon nanotube (CNT) paste emitter, method of manufacturing the sa...

Large scale stable field emitter for high current applications

Biased cathode assembly of an X-ray tube with improved thermal mana...

X-ray system with field emitters and arc protection

Systems and methods for improving x-ray sources with switchable ele...

Open microfocus x-ray source and control method thereof

X-ray tube with distributed filaments

X-ray tube

X-ray cathode focusing element

Electron beam generation source, electron beam emission device, and...

System for at least one of calibration or quality control of an FFS...

Particle beam gun control systems and methods

Power supply circuit and field emission electron source

X-ray tube and method of manufacturing X-ray tube

X-ray tube

X-ray tube device

Vacuum tube amplifier module and assembly method thereof

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

CNT X-ray tube control system with dummy load

Radiation tube attachment member, radiation source, and tomosynthes...

Hybrid multi-source x-ray source and imaging system

X-ray tube cathode focusing element

Radiation therapy head and radiation therapy apparatus

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

Patents Applicationslast 30 patents

X-RAY TUBE

FIELD EMISSION X-RAY SOURCE DEVICE

INTELLIGENT INTERVENTION ALLOCATION FOR MEDICAL IMAGING SCANNERS

Digitally Addressable Sample Irradiator

Electron gun device

SYSTEMS AND METHODS FOR REGULATING HIGH VOLTAGE SUPPLY OF AN X-RAY...

STRATEGY FOR CONTROLLING CATHODE WIDTH VOLTAGE

CATHODE ASSEMBLIES, METHODS FOR ADJUSTING FOCAL POINTS OF X-RAYS, A...

X-RAY TUBES, METHODS AND SYSTEMS FOR ADJUSTING FOCAL POINTS OF X-RA...

X-Ray Tube Anode with Optimized Area Focal Spot Track

MOUNTED PLANAR FILAMENT

X-RAY TUBE WITH STABLE ELECTRON BEAM

METHOD AND ARRANGEMENT FOR AN X-RAY SOURCE

ELECTRIC FIELD EMISSION DEVICE

ELECTRON EMITTER FOR MULTIPLE FOCAL SPOT SIZES

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

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

X-RAY TUBE CATHODE FOCUSING ELEMENT

X-RAY TUBE AND ASSOCIATED MANUFACTURING PROCESS

X-RAY TUBE

HYBRID MULTI-SOURCE X-RAY SOURCE AND IMAGING SYSTEM

X-RAY CATHODE SHIELD

X-RAY CATHODE SHIELD

Composite Electron Beam Vacuum Tube

RADIOTHERAPY DEVICE AND MICROWAVE SOURCE THEREOF

FIELD EFFECT ELECTRON EMITTER WITH GROUPED PART EMISSION SURFACES

BIASED CATHODE ASSEMBLY OF AN X-RAY TUBE WITH IMPROVED THERMAL MANA...

NON-RADIOISOTOPE X-RAY DEVICE

X-RAY TUBE

LARGE SCALE STABLE FIELD EMITTER FOR HIGH CURRENT APPLICATIONS