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DIFF Subgroup
B41B 27/41

Printing mechanisms coupled to typographical composing machines

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Control, indicating, or safety devices or systems for composing machines of various kinds or types > Control, indicating, or safety devices for individual operations or machine elements > Printing mechanisms coupled to typographical composing machines

CPC:

Control, indicating, or safety devices or systems for composing machines of various kinds or types (computers in general G06F) > Control, indicating, or safety devices for individual operations or machine elements (in devices for supplying molten metal B41B11/86, B41B11/88; for light sources B41B21/08) > Printing mechanisms coupled to typographical composing machines

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