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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B41J 29/32

Type members

Introduced: September 1968

Title

Titles differ between systems:

IPC: Type-members

CPC: Type members

Full Title

Full titles differ between systems:

IPC:

Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for > Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling > Type-members

CPC:

Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for > Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling > Type members

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • B41J 29/34 repeatedly actuated 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