CPC Subgroup
B41J 2/235 Print head assemblies
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 > Print head assemblies
4 direct subcodes
Child Classifications
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- B41J 2/24 serial printer type (B41J2/25, B41J2/265 take precedence)
- B41J 2/245 line printer type (B41J2/25, B41J2/265 take precedence)
- B41J 2/25 Print wires
- B41J 2/265 Guides for print wires
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