CPC Subgroup
B41J 33/02 Ribbon arrangements
Full Title
Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material > Ribbon arrangements
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B41J 33/04 mounted on moving carriages
- B41J 33/06 Ribbons associated, but not moving, with typewriter platens, e.g. extending transversely to the length of the platen
- B41J 33/10 Arrangements of endless ribbons
- B41J 33/12 Ribbons carried by coaxially-mounted spools
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