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DIFF Main Group
B41J 1/00

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies

Introduced: September 1968

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B41J 1/02 with separate or detached types or dies IPC+CPC Available in IPC and CPC
  • B41J 1/16 with types or dies arranged in stationary or sliding cases or frames or upon flexible strips, plates, bars or rods IPC+CPC Available in IPC and CPC
  • B41J 1/18 with types or dies strung on wires or rods IPC+CPC Available in IPC and CPC
  • B41J 1/20 with types or dies mounted on endless bands or the like IPC+CPC Available in IPC and CPC
  • B41J 1/60 with types or dies on spherical, truncated-spherical, or like surfaces 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