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CPC Subgroup Additional Only
B41C 2210/264

Polyesters; Polycarbonates

Full Title

Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation > characterised by a macromolecular compound or binder obtained by reactions not involving carbon-to-carbon unsaturated bonds > Polyesters; Polycarbonates

Top Applicants

Top 10 applicants by patent filingsfor 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