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CPC 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)

Filing statistics

CPC G03C 5/00 belongs to the parent subclass G03C, which recorded 1,200 patent applications worldwide between 2013 and 2023. Annual filings declined from 187 in 2013 to 34 in 2023 (-82%). The most active applicants in class G03 are CANON (19,215 applications), CANON (12,916 applications) and ASML NETHERLANDS (10,000 applications).

Source: EPO PATSTAT, worldwide filings

11 direct subcodes

Child Classifications

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

Top Applicants

Top 10 applicants by patent filingsfor 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