CPC Subgroup Additional Only
G03G 2215/0877 Sealing of the developing device opening, facing the image-carrying member
Full Title
Apparatus for electrophotographic processes > Details of powder developing device not concerning the development directly > Arrangements for shipping or transporting of the developing device to or from the user > Sealing of the developing device opening, facing the image-carrying member
2 direct subcodes
Child Classifications
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- G03G 2215/088 Peelable sealing film
- G03G 2215/0883 Rupturable sealing film, e.g. tearable film
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