CPC Main Group
G03G 5/00 Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
7 direct subcodes
Child Classifications
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- G03G 5/02 Charge-receiving layers (G03G5/153 takes precedence)
- G03G 5/10 Bases for charge-receiving or other layers
- G03G 5/12 Recording members for multicolour processes
- G03G 5/14 Inert intermediate or cover layers for charge-receiving layers (for photoconductive, charge-generation or charge-transporting layers G03G5/04)
- G03G 5/153 Charge-receiving layers combined with additional photo- or thermo-sensitive, but not photoconductive, layers, e.g. silver-salt layers
- G03G 5/16 Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
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