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CPC Subgroup
B41J 33/384

and attached to the carriage during writing

Full Title

Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material > Ribbon-feed devices or mechanisms > Slow, e.g. "creep", feed mechanisms > the ribbon being fed only during carriage return > and attached to the carriage during writing

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