G03C 8/12 characterised by the releasing mechanism
Introduced: January 1990
Title
Titles differ between systems:
IPC: characterised by the release mechanism
CPC: characterised by the releasing mechanism
Full Title
Full titles differ between systems:
Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Photosensitive materials characterised by the image-forming section > the substances transferred by diffusion consisting of organic compounds > of dyes or their precursors > characterised by the release mechanism
Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Photosensitive materials characterised by the image-forming section > the substances transferred by diffusion consisting of organic compounds (G03C8/04 takes precedence) > of dyes or their precursors > characterised by the releasing mechanism
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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