G03C 1/76 Photosensitive materials characterised by the base or auxiliary layers
Full Title
Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04) > Photosensitive materials characterised by the base or auxiliary layers
Filing statistics
CPC G03C 1/76 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
14 direct subcodes
Child Classifications
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- G03C 1/765 characterised by the shape of the base, e.g. arrangement of perforations, jags
- G03C 1/77 the base being of metal
- G03C 1/775 the base being of paper
- G03C 1/795 the base being of macromolecular substances (G03C1/775 takes precedence)
- G03C 1/805 characterised by stripping layers or stripping means
- G03C 1/81 characterised by anticoiling means
- G03C 1/815 characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching (for photoprinting G03C5/10; for intensifying X-ray images G03C5/17)
- G03C 1/825 characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C 1/85 characterised by antistatic additives or coatings
- G03C 1/91 characterised by subbing layers or subbing means
- G03C 1/95 rendered opaque or writable, e.g. with inert particulate additives (G03C1/775 takes precedence)
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