CPC Subgroup
G03B 3/04 adjusting position of image plane without moving lens
Full Title
Focusing arrangements of general interest for cameras, projectors or printers > adjusting position of image plane without moving lens
1 direct subcode
Child Classifications
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- G03B 3/06 using movable reflectors to alter length of light path
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