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CPC Subgroup
B41J 33/06

Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen

Full Title

Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material > Ribbon arrangements > Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen

1 direct subcode

Child Classifications

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  • B41J 33/08 and extending parallel to the length of the platen

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