Section H: Electricity
~12,788,503
Applications (2013–2023)
PATSTAT worldwide
7
Classes
59
Subclasses
802
Main Groups
10,615
IPC
32,161
CPC
Description
Section H encompasses all technologies and applications related to electrical and electronic systems, devices, and processes. It covers the generation, conversion, transmission, distribution, and utilization of electrical energy, as well as electronic components, circuits, and telecommunications. This section includes power generation from various sources, electric motors and machines, lighting technologies, heating applications, control systems, and the broad field of electronics and information transmission. Adjacent sections address mechanical engineering (F), physics-based technologies (G), and fixed structures (E).
Visualizations
Size of each class by number of subgroups
| Class | Title | Descendants |
|---|---|---|
| H01 | ELECTRIC ELEMENTS | 9,850 |
| H02 | GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER | 2,475 |
| H03 | ELECTRONIC CIRCUITRY | 4,484 |
| H04 | ELECTRIC COMMUNICATION TECHNIQUE | 9,561 |
| H05 | ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR | 2,265 |
| H10 | SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR | 3,680 |
| H99 | SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION | 2 |
Classification entries by hierarchy level
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER heading IPC+CPC Available in IPC and CPC
- H10 SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR heading IPC+CPC Available in IPC and CPC
- H99 SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION heading IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Section H,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 162,484
- HUAWEI TECHNOLOGIES COMPANY CN 155,234
- QUALCOMM US 103,021
- SGCC(STATE GRID CORPORATION OF CHINA) 72,578
- LG ELECTRONICS KR 57,213
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 51,875
- SAMSUNG DISPLAY KR 50,656
- CANON 33,341
- SONY CORPORATION JP 32,761
Top Applicants (CPC)
Section H,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 188,614
- HUAWEI TECHNOLOGIES COMPANY CN 160,298
- QUALCOMM US 108,224
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 67,038
- LG ELECTRONICS KR 65,036
- TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
- SAMSUNG DISPLAY KR 54,803
- INTEL CORPORATION US 44,976
- BOE TECHNOLOGY GROUP COMPANY CN 35,925
- SONY CORPORATION JP 35,309
Classes in section H
-
- H01B Cables; Conductors; Insulators; Selection of Materials for Their Conductive, Insulating or Dielectric Properties
- H01C Resistors
- H01F Magnets; Inductances; Transformers; Selection of Materials for Their Magnetic Properties
- H01G Capacitors; Capacitors, Rectifiers, Detectors, Switching Devices, Light-Sensitive or Temperature-Sensitive Devices of the Electrolytic Type
- H01H Electric Switches; Relays; Selectors; Emergency Protective Devices
- H01J Electric Discharge Tubes or Discharge Lamps
- H01K Electric Incandescent Lamps
- H01P Waveguides; Resonators, Lines or Other Devices of the Waveguide Type
- H01Q Antennas, i.e. Radio Aerials
- H01R Electrically-Conductive Connections; Structural Associations of a Plurality of Mutually-Insulated Electrical Connecting Elements; Coupling Devices; Current Collectors
- H01S Devices Using the Process of Light Amplification by Stimulated Emission of Radiation [LASER] to Amplify or Generate Light; Devices Using Stimulated Emission of Electromagnetic Radiation in Wave Ranges Other Than Optical
- H01T Spark Gaps; Overvoltage Arresters Using Spark Gaps; Sparking Plugs; Corona Devices; Generating Ions to Be Introduced Into Non-Enclosed Gases
H02 Generation, Conversion, or Distribution of Electric Power
- H02B Boards, Substations or Switching Arrangements for the Supply or Distribution of Electric Power
- H02G Installation of Electric Cables or Lines, or of Combined Optical and Electric Cables or Lines
- H02H Emergency Protective Circuit Arrangements
- H02J Electric Power Networks; Circuit Arrangements or Systems for Supplying or Distributing Electric Power; Systems for Storing Electric Energy
- H02K Dynamo-Electric Machines
- H02M Apparatus for Conversion Between Ac and Ac, Between Ac and Dc, or Between Dc and Dc, and for Use With Mains or Similar Power Supply Systems; Conversion of Dc or Ac Input Power Into Surge Output Power; Control or Regulation Thereof
- H02N Electric Machines Not Otherwise Provided for
- H02P Control or Regulation of Electric Motors, Electric Generators or Dynamo-Electric Converters; Controlling Transformers, Reactors or Choke Coils
- H02S Generation of Electric Power by Conversion of Infrared Radiation, Visible Light or Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules
-
- H03B Generation of Oscillations, Directly or by Frequency-Changing, by Circuits Employing Active Elements Which Operate in a Non-Switching Manner; Generation of Noise by Such Circuits
- H03C Modulation
- H03D Demodulation or Transference of Modulation From One Carrier to Another
- H03F Amplifiers
- H03G Control of Amplification
- H03H Impedance Networks, e.g. Resonant Circuits; Resonators
- H03J Tuning Resonant Circuits; Selecting Resonant Circuits
- H03K Pulse Technique
- H03L Automatic Control, Starting, Synchronisation or Stabilisation of Generators of Electronic Oscillations or Pulses
- H03M Coding, Decoding or Code Conversion, in General
H04 Electric Communication Technique
- H04B Transmission
- H04H Broadcast Communication
- H04J Multiplex Communication
- H04K Secret Communication; Jamming of Communication
- H04L Transmission of Digital Information, e.g. Telegraphic Communication
- H04M Telephonic Communication
- H04N Pictorial Communication, e.g. Television
- H04Q Selecting
- H04R Loudspeakers, Microphones, Gramophone Pick-Ups or Like Acoustic Electromechanical Transducers; Electric Hearing Aids; Public Address Systems
- H04S Stereophonic Systems
- H04W Wireless Communication Networks
H05 Electric Techniques Not Otherwise Provided for
- H05B Electric Heating; Electric Light Sources Not Otherwise Provided for; Circuit Arrangements for Electric Light Sources, in General
- H05C Electric Circuits or Apparatus Specially Designed for Use in Equipment for Killing, Stunning, Enclosing or Guiding Living Beings
- H05F Static Electricity; Naturally-Occurring Electricity
- H05G X-Ray Technique
- H05H Plasma Technique; Production of Accelerated Electrically-Charged Particles or of Neutrons; Production or Acceleration of Neutral Molecular or Atomic Beams
H10 Semiconductor Devices; Electric Solid-State Devices Not Otherwise Provided for
- H10B Electronic Memory Devices
- H10D Inorganic Electric Semiconductor Devices
- H10F Inorganic Semiconductor Devices Sensitive to Infrared Radiation, Light, Electromagnetic Radiation of Shorter Wavelength or Corpuscular Radiation
- H10H Inorganic Light-Emitting Semiconductor Devices Having Potential Barriers
- H10K Organic Electric Solid-State Devices
- H10N Electric Solid-State Devices Not Otherwise Provided for
- H10P Generic Processes or Apparatus for the Manufacture or Treatment of Devices Covered by Class
- H10W Generic Packages, Interconnections, Connectors or Other Constructional Details of Devices Covered by Class
H99 Subject Matter Not Otherwise Provided for in This Section