CPC Subgroup
B41B 27/08 from several sources
Full Title
Control, indicating, or safety devices or systems for composing machines of various kinds or types (computers in general G06F) > Systems for controlling all operations > Keyboards > operable by input of recorded or stored information, e.g. on punched tapes > from several sources
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