Contact thermal transfer or sublimation processes (sublistatic printing using a pre-formed image B41M5/035; ink-, dye- or pigment-receptive coatings B41M5/52)

Introduced: January 2006

Title

Titles differ between systems:

IPC: Contact transfer or sublimation processes

CPC: Contact thermal transfer or sublimation processes (sublistatic printing using a pre-formed image B41M5/035; ink-, dye- or pigment-receptive coatings B41M5/52)

Full Title

Full titles differ between systems:

IPC:

Duplicating or marking methods; Sheet materials for use therein > Thermography > Contact transfer or sublimation processes

CPC:

Duplicating or marking methods; Sheet materials for use therein (by using light-sensitive materials G03; electrography, magnetography G03G ) > Thermography (B41M5/20, B41M5/24 take precedence); > Contact thermal transfer or sublimation processes (sublistatic printing using a pre-formed image B41M5/035; ink-, dye- or pigment-receptive coatings B41M5/52)

CPC subdivides this area 7x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2006.

Child Classifications

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B41M 5/38207 +2 CPC CPC only CPC only
B41M 5/38228 CPC only CPC only
B41M 5/38235 CPC only CPC only
B41M 5/38242 CPC only CPC only
B41M 5/3825 CPC only CPC only
B41M 5/38257 CPC only CPC only
B41M 5/38264 CPC only CPC only
B41M 5/38271 CPC only CPC only
B41M 5/38278 CPC only CPC only
B41M 5/38285 CPC only CPC only
B41M 5/38292 CPC only CPC only
B41M 5/385 characterised by the transferable dyes or pigments since 2006 +4 CPC IPC+CPC Available in IPC and CPC
B41M 5/392 Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents since 2006 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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