CPC Subgroup
B41J 2/23 using print wires
Full Title
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by selective application of impact or pressure on a printing material or impression-transfer material > using print wires
4 direct subcodes
Child Classifications
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- B41J 2/235 Print head assemblies
- B41J 2/27 Actuators for print wires
- B41J 2/30 Control circuits for actuators
- B41J 2/305 Ink supply apparatus (ink ribbons, ink-ribbon mechanisms B41J31/00 - B41J35/00)
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 8,446
- SEIKO EPSON CORPORATION JP 8,438
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
- CANON JP 5,419
- CANON 4,156
- BROTHER INDUSTRIES JP 3,763
- BROTHER INDUSTRIES 2,779
- RICOH COMPANY JP 2,717
- FUJIFILM JP 2,423
- RICOH COMPANY 1,739