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CPC Subgroup
B41B 27/44

for controlling assembly of matrices and space bands

Full Title

Control, indicating, or safety devices or systems for composing machines of various kinds or types (computers in general G06F) > Control, indicating, or safety devices for individual operations or machine elements (in devices for supplying molten metal B41B11/86, B41B11/88; for light sources B41B21/08) > for controlling assembly of matrices and space bands

1 direct subcode

Child Classifications

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  • B41B 27/46 for controlling insertion of space bands (for line justification B41B27/32)

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