CPC Subgroup Additional Only
G03G 2215/0468 Image area information changed (default is the charge image)
Full Title
Apparatus for electrophotographic processes > Arrangements for exposing and producing an image > Changing or enhancing the image > Image area information changed (default is the charge image)
3 direct subcodes
Child Classifications
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- G03G 2215/047 Image corrections
- G03G 2215/048 Technical-purpose-oriented image area changes
- G03G 2215/0492 Without changing the charge 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