H05H PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
Introduced: September 1968
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
Description
H05H covers plasma generation and manipulation techniques, along with systems for producing and accelerating charged particles (ions, electrons), neutrons, and neutral atomic/molecular beams. This includes plasma confinement methods, ion sources, particle accelerators, and beam production apparatus used in fusion research, materials processing, medical applications, and scientific instrumentation. The classification encompasses both the technical apparatus and operational methods for generating, controlling, and directing high-energy particle streams, excluding applications already covered by specialized accelerator classes (such as H05C) or general electrical discharge phenomena classified elsewhere.
Filing statistics
IPC subclass H05H recorded 34,878 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,672 in 2013 to 3,222 in 2023 (+21%), peaking at 3,500 applications in 2022. The most active applicants in class H05 are SAMSUNG ELECTRONICS COMPANY (7,201 applications), PANASONIC INTELLECTUAL PROPERTY (6,828 applications) and SEMICONDUCTOR ENERGY LABORATORY COMPANY (3,988 applications).
Source: EPO PATSTAT, worldwide filings
In class comparison
H05H ranks 3rd of 6 subclasses with filings in H05, with 34,878 applications between 2013 and 2023, 3.2% of the class. Annual filings grew 21% from 2013 to 2023, below the class as a whole (+93%).
| Rank | Subclass | Title | Applications | Share |
|---|---|---|---|---|
| 1 | H05K, Printed Circuits; Casings or Constructional Details of Electric Apparatus; Manufacture of Assemblages of Electrical Components | Printed Circuits; Casings or Constructional Details of Electric Apparatus; Manufacture of Assemblages of Electrical Components | 723,133 | 65.4% |
| 2 | H05B, Electric Heating; Electric Light Sources Not Otherwise Provided for; Circuit Arrangements for Electric Light Sources, in General | Electric Heating; Electric Light Sources Not Otherwise Provided for; Circuit Arrangements for Electric Light Sources, in General | 317,963 | 28.8% |
| 3 | H05H | Plasma Technique; Production of Accelerated Electrically-Charged Particles or of Neutrons; Production or Acceleration of Neutral Molecular or Atomic Beams | 34,878 | 3.2% |
| 4 | H05F, Static Electricity; Naturally-Occurring Electricity | Static Electricity; Naturally-Occurring Electricity | 19,659 | 1.8% |
| 5 | H05G, X-Ray Technique | X-Ray Technique | 8,712 | 0.8% |
| 6 | H05C, Electric Circuits or Apparatus Specially Designed for Use in Equipment for Killing, Stunning, Enclosing or Guiding Living Beings | Electric Circuits or Apparatus Specially Designed for Use in Equipment for Killing, Stunning, Enclosing or Guiding Living Beings | 688 | 0.1% |
Source: EPO PATSTAT, worldwide filings
Additional Content
Apparatus or processes specially adapted for producing X-rays
Related Keywords
9 direct subcodes
Child Classifications
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- H05H 1/00 Generating plasma; Handling plasma
- H05H 11/00 Magnetic induction accelerators, e.g. betatrons
- H05H 13/00 Magnetic resonance accelerators; Cyclotrons
- H05H 15/00 Methods or devices for acceleration of charged particles not otherwise provided for
- H05H 3/00 Production or acceleration of neutral particle beams, e.g. molecular or atomic beams
- H05H 5/00 Direct voltage accelerators; Accelerators using single pulses
- H05H 6/00 Targets for producing nuclear reactions
- H05H 7/00 Details of devices of the types covered by groups
- H05H 9/00 Linear accelerators
Top Applicants
Top 10 applicants by patent filingsfor class H05, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 7,201
- PANASONIC INTELLECTUAL PROPERTY 6,828
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 3,988
- LG ELECTRONICS KR 3,564
- PANASONIC INTELLECTUAL PROPERTY JP 3,533
- SAMSUNG DISPLAY KR 3,310
- FUJI JP 2,870
- SAMSUNG ELECTRO-MECHANICS COMPANY KR 2,675
- GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 2,665
- MURATA MANUFACTURING COMPANY JP 2,634