IPC Main Group
G03C 1/00 Photosensitive materials
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 1/00 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
photo-sensitive FABRICSphotographic FILM(S)PHOTO emulsionsphotographic PLATE(S)photographic SLIDE(S)
14 direct subcodes
Child Classifications
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- G03C 1/005 Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C 1/494 Silver salt compositions other than silver halide emulsions; Photothermographic systems
- G03C 1/5 Compositions containing noble metal salts other than silver salts, as photosensitive substances
- G03C 1/52 Compositions containing diazo compounds as photosensitive substances
- G03C 1/64 Compositions containing iron compounds as photosensitive substances
- G03C 1/66 Compositions containing chromates as photosensitive substances
- G03C 1/67 Compositions containing cobalt compounds as photosensitive substances
- G03C 1/675 Compositions containing polyhalogenated compounds as photosensitive substances
- G03C 1/685 Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances
- G03C 1/695 Compositions containing azides as photosensitive substances
- G03C 1/705 Compositions containing chalcogenides, metals or alloys thereof, as photosensitive substances, e.g. photodope systems
- G03C 1/72 Photosensitive compositions not covered by groups
- G03C 1/74 Applying photosensitive compositions to the base; Drying processes therefor
- G03C 1/76 Photosensitive materials characterised by the base or auxiliary layers
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