IPC Subgroup
B41C 1/1 for lithographic printing; Master sheets for transferring a lithographic image to the forme
Introduced: September 1968
Last revised: January 2006
Full Title
Forme preparation > for lithographic printing; Master sheets for transferring a lithographic image to the forme
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- Subclass:
- PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
Related Keywords
processes for preparing printing surfaces for LITHOGRAPHICprocesses for preparing printing surfaces for OFFSET
Top Applicants
Top 10 applicants by patent filingsfor class B41, 2013–2023, worldwide · Source: EPO PATSTAT
- SEIKO EPSON CORPORATION 14,672
- CANON 14,153
- RICOH COMPANY 8,049
- SEIKO EPSON CORPORATION JP 8,044
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
- BROTHER INDUSTRIES 6,887
- KYOCERA DOCUMENT SOLUTIONS 5,463
- CANON JP 5,001
- KONICA MINOLTA CORPORATION 4,512
- BROTHER INDUSTRIES JP 3,681