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CPC Subgroup
B41J 17/36

Alarms, indicators, or feed-disabling devices responsible to material breakage or exhaustion

Full Title

Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper (in manifolding devices B41L) > Alarms, indicators, or feed-disabling devices responsible to material breakage or exhaustion

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