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IPC Subgroup
B41J 5/08

Character or syllable selected by means of keys or keyboards of the typewriter type

Introduced: September 1968

Last revised: January 2006

Full Title

Devices or arrangements for controlling character selection > Character or syllable selected by means of keys or keyboards of the typewriter type

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Subclass:
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS

Related Keywords

typewriter KEYBOARDS or keys therefor

7 direct subcodes

Child Classifications

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  • B41J 5/1 Arrangements of keyboards
  • B41J 5/12 Construction of key buttons
  • B41J 5/14 Construction of key levers
  • B41J 5/16 Mounting or connecting key buttons on or to key levers
  • B41J 5/26 Regulating touch, key dip or stroke, or the like
  • B41J 5/28 Multiple-action keys, e.g. keys depressed by two or more amounts or movable in two or more directions to effect different functions or selections

Top Applicants

Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681