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IPC Subgroup
H03K 17/6

the devices being bipolar transistors

Introduced: September 1968

Last revised: January 2006

Full Title

Electronic switching or gating, i.e. not by contact-making and -breaking > characterised by the use of specified components > by the use, as active elements, of semiconductor devices > the devices being bipolar transistors

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
PULSE TECHNIQUE

6 direct subcodes

Child Classifications

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  • H03K 17/615 in a Darlington configuration
  • H03K 17/62 Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
  • H03K 17/64 having inductive loads
  • H03K 17/66 Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
  • H03K 17/68 specially adapted for switching AC currents or voltages

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