CPC Subgroup
B41C 1/05 Heat-generating engraving heads, e.g. laser beam, electron beam
Full Title
Forme preparation > Engraving; Heads therefor (recording on record carriers, heads therefor G11B) > using heads controlled by an electric information signal > Heat-generating engraving heads, e.g. laser beam, electron beam
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