CPC Subgroup
B41B 9/04 Carriers for combinations of matrices, e.g. blocks, cylinders, wheels, bars
Full Title
Details of, or accessories for, machines for mechanical composition using fixed combinations of matrices from which type is cast or moulded > Carriers for combinations of matrices, e.g. blocks, cylinders, wheels, bars
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