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H03B 15/00

Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, or using superconductivity effects

Introduced: September 1968

Title

Titles differ between systems:

IPC: Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, devices using spin transfer effects, devices using giant magnetoresistance, or using super-conductivity effects

CPC: Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, or using superconductivity effects

Full Title

Full titles differ between systems:

IPC:

Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, devices using spin transfer effects, devices using giant magnetoresistance, or using super-conductivity effects

CPC:

Generation of oscillations using galvano-magnetic devices, e.g. Hall-effect devices, or using superconductivity effects

Additional Content IPC

Spin torque Torque of electron spin interacting with permanent magnetic field Spin-transfer torque oscillator Partially magnetized multilayer structure generating current oscillations when a DC voltage is applied Spin valve Partially magnetized multilayer structure leading to precession of electron spin of a traversing current Josephson Junction Two superconductors linked by a non-conducting barrier

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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Top Applicants

Top Applicants (IPC)

Class H03,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 5,625
  2. SAMSUNG ELECTRONICS COMPANY KR 5,496
  3. MURATA MANUFACTURING COMPANY JP 5,478
  4. HUAWEI TECHNOLOGIES COMPANY CN 3,383
  5. INTEL CORPORATION US 3,091
  6. TEXAS INSTRUMENTS US 3,070
  7. MURATA MANUFACTURING COMPANY 2,722
  8. SKYWORKS SOLUTIONS US 2,290
  9. SEIKO EPSON CORPORATION 2,177
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,158

Top Applicants (CPC)

Class H03,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 7,293
  2. QUALCOMM US 7,085
  3. MURATA MANUFACTURING COMPANY JP 5,982
  4. HUAWEI TECHNOLOGIES COMPANY CN 4,641
  5. INTEL CORPORATION US 3,863
  6. TEXAS INSTRUMENTS US 3,409
  7. MURATA MANUFACTURING COMPANY 2,874
  8. SK HYNIX KR 2,644
  9. SKYWORKS SOLUTIONS US 2,545
  10. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,437