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DIFF Subgroup
B41J 13/042

Front and rear rollers or sets of front or rear rollers each mounted on a separate carrier

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets > Rollers > co-operating with a roller platen > Front and rear rollers or sets of front or rear rollers each mounted on a separate carrier

CPC:

Devices or arrangements specially adapted for supporting or handling copy material in short lengths, e.g. sheets > Rollers (roller platens B41J11/04) > co-operating with a roller platen > Front and rear rollers or sets of front or rear rollers each mounted on a separate carrier

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