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PCE
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DIFF Subgroup
B41J 2/315

characterised by selective application of heat to a heat sensitive printing or impression-transfer material (B41J2/385, B41J2/435 take precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: characterised by selective application of heat to a heat sensitive printing or impression-transfer material

CPC: characterised by selective application of heat to a heat sensitive printing or impression-transfer material (B41J2/385, B41J2/435 take precedence)

Full Title

Full titles differ between systems:

IPC:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed > characterised by selective application of heat to a heat sensitive printing or impression-transfer material

CPC:

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by selective application of heat to a heat sensitive printing or impression-transfer material (B41J2/385, B41J2/435 take precedence)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • B41J 2/38 Preheating, i.e. heating to a temperature insufficient to cause printing since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 14,672
  2. CANON 14,153
  3. RICOH COMPANY 8,049
  4. SEIKO EPSON CORPORATION JP 8,044
  5. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,312
  6. BROTHER INDUSTRIES 6,887
  7. KYOCERA DOCUMENT SOLUTIONS 5,463
  8. CANON JP 5,001
  9. KONICA MINOLTA CORPORATION 4,512
  10. BROTHER INDUSTRIES JP 3,681

Top Applicants (CPC)

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

  1. SEIKO EPSON CORPORATION 8,446
  2. SEIKO EPSON CORPORATION JP 8,438
  3. HEWLETT-PACKARD DEVELOPMENT COMPANY US 7,828
  4. CANON JP 5,419
  5. CANON 4,156
  6. BROTHER INDUSTRIES JP 3,763
  7. BROTHER INDUSTRIES 2,779
  8. RICOH COMPANY JP 2,717
  9. FUJIFILM JP 2,423
  10. RICOH COMPANY 1,739