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CPC Subgroup
B41J 31/05

Ink ribbons having coatings other than impression-material coatings

Full Title

Ink ribbons; Renovating or testing ink ribbons > Ink ribbons having coatings other than impression-material coatings

Filing statistics

CPC B41J 31/05 belongs to the parent subclass B41J, which recorded 118,311 patent applications worldwide between 2013 and 2023. Annual filings declined from 9,148 in 2013 to 8,613 in 2023 (-6%), peaking at 12,968 applications in 2018. The most active applicants in class B41 are SEIKO EPSON CORPORATION (8,446 applications), SEIKO EPSON CORPORATION (8,438 applications) and HEWLETT-PACKARD DEVELOPMENT COMPANY (7,828 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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  • B41J 31/06 the coatings being directly on the base material, i.e. below impression transfer material; Ink ribbons having base material impregnated with material other than impression material
  • B41J 31/08 the coatings being superimposed on impression-transfer material

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