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IPC Main Group
G04G 3/00

Producing timing pulses

Introduced: January 1980

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
HOROLOGY
Subclass:
ELECTRONIC TIME-PIECES

Related Keywords

producing timing PULSE(S) for electronic time-pieces

2 direct subcodes

Child Classifications

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  • G04G 3/02 Circuits for deriving low frequency timing pulses from pulses of higher frequency
  • G04G 3/04 Temperature-compensating arrangements

Top Applicants

Top 10 applicants by patent filingsfor class G04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,570
  2. ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,409
  3. CASIO COMPUTER COMPANY 1,172
  4. SEIKO EPSON CORPORATION 1,100
  5. SAMSUNG ELECTRONICS COMPANY KR 768
  6. NIVAROX-FAR CH 750
  7. MONTRES BREGUET CH 707
  8. APPLE US 706
  9. SEIKO EPSON CORPORATION JP 648
  10. CITIZEN WATCH COMPANY 578