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IPC Subgroup
G04G 9/08

by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques

Introduced: January 1980

Last revised: January 2006

Full Title

Visual time or date indication means > by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques

Classification Context

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

2 direct subcodes

Child Classifications

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  • G04G 9/1 by controlling light sources, e.g. electroluminescent diodes
  • G04G 9/12 using light valves, e.g. liquid crystals

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