CPC Subgroup
G03B 9/32 Double blind
Full Title
Exposure-making shutters; Diaphragms > Shutters > Roller blind or flexible plate > Double blind
1 direct subcode
Child Classifications
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- G03B 9/34 with adjustable slot; with mechanism controlling relative movement of blinds to form slot
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