IPC 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
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:
- ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
Related Keywords
RECORDING by electrography
6 direct subcodes
Child Classifications
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- G03G 5/02 Charge-receiving layers
- G03G 5/1 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
- 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 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