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DIFF Main Group
G03C 5/00

Photographic processes or agents therefor; Regeneration of such processing agents (multicolour processes or agents therefor G03C7/00; diffusion-transfer processes or agents therefor G03C8/00; stereo-photographic processes G03C9/00; photomechanical processes G03F)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Photographic processes or agents therefor; Regeneration of such processing agents

CPC: Photographic processes or agents therefor; Regeneration of such processing agents (multicolour processes or agents therefor G03C7/00; diffusion-transfer processes or agents therefor G03C8/00; stereo-photographic processes G03C9/00; photomechanical processes G03F)

Full Title

Full titles differ between systems:

IPC:

Photographic processes or agents therefor; Regeneration of such processing agents

CPC:

Photographic processes or agents therefor; Regeneration of such processing agents (multicolour processes or agents therefor G03C7/00; diffusion-transfer processes or agents therefor G03C8/00; stereo-photographic processes G03C9/00; photomechanical processes G03F)

IPC and CPC are identically structured here. All 11 subcodes exist in both systems.

5 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G03C 5/02 Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges IPC+CPC Available in IPC and CPC
  • G03C 5/22 Direct chromate processes, i.e. without preceding silver picture, or agents therefor IPC+CPC Available in IPC and CPC
  • G03C 5/56 Processes using photosensitive compositions covered by the groups G03C1/64 - G03C1/72 or agents therefor (G03C5/58 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
  • G03C 5/58 Processes for obtaining metallic images by vapour deposition or physical development (images obtained by photomechanical means, e.g. by etching G03F) since 1990 IPC+CPC Available in IPC and CPC
  • G03C 5/60 Processes for obtaining vesicular images since 1990 IPC+CPC Available in 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