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IPC Subgroup
H03K 4/08

having sawtooth shape

Introduced: September 1968

Last revised: January 2006

Full Title

Generating pulses having essentially a finite slope or stepped portions > having triangular shape > having sawtooth shape

Classification Context

Section:
ELECTRICITY
Class:
ELECTRONIC CIRCUITRY
Subclass:
PULSE TECHNIQUE

Related Keywords

SAWTOOTH waves generating

8 direct subcodes

Child Classifications

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  • H03K 4/8 using as active elements multi-layer diodes
  • H03K 4/86 using as active elements gas-filled tubes
  • H03K 4/88 using as active elements electrochemical cells
  • H03K 4/9 Linearisation of ramp; Synchronisation of pulses

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