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PCE
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CPC Subgroup
B41J 31/12

Ink ribbons having arrangements to prevent undesired contact between the impression-transfer material and machine parts or other articles

Full Title

Ink ribbons; Renovating or testing ink ribbons > Ink ribbons having arrangements to prevent undesired contact between the impression-transfer material and machine parts or other articles

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