IPC Main Group
G03C 7/00 Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- Subclass:
- PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR OR STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
Filing statistics
IPC G03C 7/00 belongs to the parent subclass G03C, which recorded 1,220 patent applications worldwide between 2013 and 2023. Annual filings declined from 148 in 2013 to 73 in 2023 (-51%), peaking at 167 applications in 2014. The most active applicants in class G03 are CANON (31,416 applications), CANON (17,469 applications) and KYOCERA DOCUMENT SOLUTIONS (9,845 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
processes for COPYING by photographyphotographic FILM(S)MULTICOLOUR photographic processesPHOTO emulsions for multicolour processesphotographic PLATE(S)photographic PRINTING processesphotographic SLIDE(S)
10 direct subcodes
Child Classifications
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- G03C 7/02 Direct bleach-out processes; Materials therefor; Preparing or processing such materials
- G03C 7/04 Additive processes using colour screens; Materials therefor; Preparing or processing such materials
- G03C 7/14 Additive processes using lenticular screens; Materials therefor; Preparing or processing such materials
- G03C 7/18 Processes for the correction of the colour image in subtractive colour photography
- G03C 7/2 Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks
- G03C 7/22 Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials
- G03C 7/26 Silver halide emulsions for subtractive colour processes
- G03C 7/28 Silver dye bleach processes; Materials therefor; Preparing or processing such materials
- G03C 7/3 Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C 7/46 Subtractive colour processes not covered by group; Materials therefor; Preparing or processing such materials
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON 31,416
- CANON JP 17,469
- KYOCERA DOCUMENT SOLUTIONS 9,845
- RICOH COMPANY 9,807
- ASML NETHERLANDS NL 9,427
- FUJIFILM JP 7,225
- KONICA MINOLTA CORPORATION 7,216
- FUJI XEROX COMPANY 5,711
- CARL ZEISS SMT DE 4,971
- RICOH COMPANY JP 4,123