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 5/04 Photo-taking processes
- G03C 5/08 Photoprinting (G03C5/18 takes precedence); Processes and means for preventing photoprinting
- G03C 5/12 Cinematrographic processes of taking pictures or printing
- G03C 5/16 X-ray, infrared, or ultraviolet ray processes
- G03C 5/18 Diazo-type processes, e.g. thermal development, or agents therefor
- G03C 5/22 Direct chromate processes, i.e. without preceding silver picture, or agents therefor
- G03C 5/26 Processes using silver-salt-containing photosensitive materials or agents therefor (physical development G03C5/58)
- 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
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682