Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41J 5/08

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

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • B41J 5/12 Construction of key buttons IPC+CPC Available in IPC and CPC
  • B41J 5/14 Construction of key levers IPC+CPC Available in IPC and CPC
  • B41J 5/16 Mounting or connecting key buttons on or to key levers IPC+CPC Available in IPC and CPC
  • B41J 5/26 Regulating touch, key dip or stroke, or the like IPC+CPC Available in IPC and CPC
  • 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 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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