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PCE
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CPC Subgroup
B41J 9/50

for compensating for the variations of printer drive conditions, e.g. for compensating for the variation of temperature or current supply

Full Title

Hammer-impression mechanisms > Control for hammer-impression mechanisms > for compensating for the variations of printer drive conditions, e.g. for compensating for the variation of temperature or current supply

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