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DIFF Subgroup
B41J 1/27

Carriers moving during impression

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies > with types or dies mounted on carriers rotatable for selection > the plane of the type or die face being perpendicular to the axis of rotation > Carriers moving during impression

CPC:

Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies > with types or dies mounted on carriers rotatable for selection > the plane of the type or die face being perpendicular to the axis of rotation (B41J1/60 takes precedence) > Carriers moving during impression

No child classifications to compare. This is a leaf node in both 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