CPC Subgroup
G03B 21/54 Accessories
Full Title
Projectors or projection-type viewers; Accessories therefor (devices for changing pictures G03B23/00) > Accessories
2 direct subcodes
Child Classifications
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- G03B 21/56 Projection screens
- G03B 21/64 Means for mounting individual pictures to be projected, e.g. frame for transparency
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