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PCE
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DIFF Subgroup
H03B 11/04

excited by interrupter

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Generation of oscillations using a shock-excited tuned circuit > excited by interrupter

CPC:

Generation of oscillations using a shock-excited tuned circuit (with feedback H03B5/00) > excited by interrupter

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • H03B 11/06 by mechanical interrupter IPC+CPC Available in IPC and CPC
  • H03B 11/08 interrupter being discharge tube IPC+CPC Available in IPC and CPC
  • H03B 11/10 interrupter being semiconductor device IPC+CPC Available in IPC and CPC

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