CPC Subgroup Additional Only
G03G 2221/1663 having lifetime indicators
Full Title
Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination > Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts > having lifetime indicators
1 direct subcode
Child Classifications
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- G03G 2221/1666 integer lifetimes of each other
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