Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G03C 8/46

characterised by the trapping means or gas releasing means

Introduced: January 1990

Title

Titles differ between systems:

IPC: characterised by the trapping means or by gas releasing means

CPC: characterised by the trapping means or gas releasing means

Full Title

Full titles differ between systems:

IPC:

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Structural details > Integral units, i.e. the image-forming section not being separated from the image-receiving section > characterised by the trapping means or by gas releasing means

CPC:

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Structural details > Integral units, i.e. the image-forming section not being separated from the image-receiving section > characterised by the trapping means or gas releasing means

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class G03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 31,416
  2. CANON JP 17,469
  3. KYOCERA DOCUMENT SOLUTIONS 9,845
  4. RICOH COMPANY 9,807
  5. ASML NETHERLANDS NL 9,427
  6. FUJIFILM JP 7,225
  7. KONICA MINOLTA CORPORATION 7,216
  8. FUJI XEROX COMPANY 5,711
  9. CARL ZEISS SMT DE 4,971
  10. RICOH COMPANY JP 4,123

Top Applicants (CPC)

Class G03,2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON JP 19,215
  2. CANON 12,916
  3. ASML NETHERLANDS NL 10,000
  4. FUJIFILM JP 7,814
  5. SAMSUNG ELECTRONICS COMPANY KR 5,181
  6. CARL ZEISS SMT DE 5,079
  7. RICOH COMPANY JP 4,343
  8. LG INNOTEK COMPANY KR 4,054
  9. KYOCERA DOCUMENT SOLUTIONS 3,812
  10. KYOCERA DOCUMENT SOLUTIONS JP 3,682