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PCE
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CPC Subgroup
G03B 13/20

Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Full Title

Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras > Focusing aids > Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

1 direct subcode

Child Classifications

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  • G03B 13/22 coupling providing for compensation upon change of camera lens

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON JP 19,215
  2. CANON 12,916
  3. ASML NETHERLANDS NL 10,000
  4. FUJIFILM JP 7,814
  5. SAMSUNG ELECTRONICS COMPANY KR 5,181
  6. CARL ZEISS SMT DE 5,079
  7. RICOH COMPANY JP 4,343
  8. LG INNOTEK COMPANY KR 4,054
  9. KYOCERA DOCUMENT SOLUTIONS 3,812
  10. KYOCERA DOCUMENT SOLUTIONS JP 3,682