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CPC Subgroup
B41B 21/26

with means for selecting individual optical paths (means for moving the optical path B41B17/12)

Full Title

Common details of photographic composing machines of the kinds covered in groups B41B17/00 and B41B19/00 > Optical systems (shutters B41B21/02; light sources B41B21/08) > defining multiple optical paths > with means for selecting individual optical paths (means for moving the optical path B41B17/12)

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