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DIFF Main Group
H10N 50/00

Galvanomagnetic devices (Hall-effect devices H10N52/00; integrated devices or assemblies of multiple devices H10N59/00)

Introduced: January 2023

Title

Titles differ between systems:

IPC: Galvanomagnetic devices

CPC: Galvanomagnetic devices (Hall-effect devices H10N52/00; integrated devices or assemblies of multiple devices H10N59/00)

Full Title

Full titles differ between systems:

IPC:

Galvanomagnetic devices

CPC:

Galvanomagnetic devices (Hall-effect devices H10N52/00; integrated devices or assemblies of multiple devices H10N59/00)

Additional Content IPC

Limiting references

Ordinary Hall-effect devices Integrated devices or assemblies comprising galvanomagnetic or Hall-effect elements

Application references

Isolation couplers in electrical sensors Arrangements for measuring electrical power or power factor Magnetometers using galvanomagnetic devices Magnetometers using MR devices Magnetic recording heads – using galvanomagnetic devices Magnetic recording heads – using MR devices MRAM arrangements

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2023.

Child Classifications

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  • H10N 50/01 Manufacture or treatment since 2023 IPC+CPC Available in IPC and CPC
  • H10N 50/10 Magnetoresistive devices since 2023 IPC+CPC Available in IPC and CPC
  • H10N 50/20 Spin-polarised current-controlled devices (magnetoresistive devices H10N50/10) since 2023 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 21,044
  2. SAMSUNG ELECTRONICS COMPANY KR 14,774
  3. LG DISPLAY COMPANY KR 9,454
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
  5. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
  6. BOE TECHNOLOGY GROUP COMPANY 6,845
  7. BOE TECHNOLOGY GROUP COMPANY CN 6,806
  8. SAMSUNG DISPLAY 6,577
  9. LG CHEM KR 5,461
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115

Top Applicants (CPC)

Class H10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 38,446
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
  3. SAMSUNG ELECTRONICS COMPANY KR 30,059
  4. BOE TECHNOLOGY GROUP COMPANY CN 20,304
  5. LG DISPLAY COMPANY KR 17,772
  6. BOE TECHNOLOGY GROUP COMPANY 15,621
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
  8. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
  9. SAMSUNG DISPLAY 11,316
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697