CPC Main Group
G03B 1/00 Film strip handling
6 direct subcodes
Child Classifications
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- G03B 1/02 Moving film strip by pull on end thereof
- G03B 1/18 Moving film strip by means which act on the film between the ends thereof
- G03B 1/40 embodying frictional coupling or clutches
- G03B 1/42 Guiding, framing, or constraining film in desired position relative to lens system
- G03B 1/56 Threading; Loop forming
- G03B 1/60 Measuring or indicating length of the used or unused film; Counting number of exposures
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