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DIFF Subgroup
B41N 3/08

Damping; Neutralising or similar differentiation treatments for lithographic printing formes;

Introduced: September 1968

Title

Titles differ between systems:

IPC: Damping; Neutralising or similar differentiation treatments of lithographic printing formes

CPC: Damping; Neutralising or similar differentiation treatments for lithographic printing formes;

Full Title

Full titles differ between systems:

IPC:

Preparing for use or conserving printing surfaces > Damping; Neutralising or similar differentiation treatments of lithographic printing formes

CPC:

Preparing for use and conserving printing surfaces > Damping; Neutralising or similar differentiation treatments for lithographic printing formes;

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