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IPC Subgroup
H03K 19/02

using specified components

Introduced: September 1968

Last revised: January 2006

Full Title

Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits > using specified components

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
PULSE TECHNIQUE

11 direct subcodes

Child Classifications

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  • H03K 19/04 using gas-filled tubes
  • H03K 19/06 using vacuum tubes
  • H03K 19/12 using diode rectifiers
  • H03K 19/14 using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
  • H03K 19/17 using twistors
  • H03K 19/18 using galvano-magnetic devices, e.g. Hall-effect devices
  • H03K 19/195 using superconductive devices

Top Applicants

Top 10 applicants by patent filingsfor 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