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CPC Subgroup
B41J 5/08

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

Full Title

Devices or arrangements for controlling character selection (methods or arrangements for sensing record carriers G06K7/00) > Character or syllable selected by means of keys or keyboards of the typewriter type

7 direct subcodes

Child Classifications

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  • 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 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739