CPC Subgroup Additional Only
G03G 2215/0402 Exposure devices
Full Title
Apparatus for electrophotographic processes > Arrangements for exposing and producing an image > Exposure devices
6 direct subcodes
Child Classifications
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- G03G 2215/0404 Laser
- G03G 2215/0407 Light-emitting array or panel
- G03G 2215/0417 Standard lamp used to produce a reflection or transmission image of an original
- G03G 2215/0419 Device not using light, e.g. ion-writer
- G03G 2215/0421 Plurality of devices for producing the image (excluding dedicated erasing means)
- G03G 2215/0424 Using contents of CCD array to produce the image
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