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IPC Subgroup
G03C 1/76

Photosensitive materials characterised by the base or auxiliary layers

Introduced: September 1968

Last revised: January 2006

Full Title

Photosensitive materials > Photosensitive materials characterised by the base or auxiliary layers

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 1/76 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

transparent BASES for photosensitive materials

11 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 1/795 the base being formed of macromolecular substances
  • G03C 1/805 characterised by stripping layers or stripping means
  • G03C 1/81 characterised by anti-coiling means
  • G03C 1/815 characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching agents
  • G03C 1/95 rendered opaque or writable, e.g. with inert particulate additives

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 31,416
  2. CANON JP 17,469
  3. KYOCERA DOCUMENT SOLUTIONS 9,845
  4. RICOH COMPANY 9,807
  5. ASML NETHERLANDS NL 9,427
  6. FUJIFILM JP 7,225
  7. KONICA MINOLTA CORPORATION 7,216
  8. FUJI XEROX COMPANY 5,711
  9. CARL ZEISS SMT DE 4,971
  10. RICOH COMPANY JP 4,123