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CPC Main Group
G03B 33/00

Colour photography, other than mere exposure or projection of a colour film (printing apparatus G03B27/00; stereoscopic colour photography G03B35/00)

5 direct subcodes

Child Classifications

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  • G03B 33/02 by two-colour separation records, e.g. red-aspect and white complete records; using Land effect
  • G03B 33/04 by four or more separation records
  • G03B 33/06 by additive-colour projection apparatus
  • G03B 33/08 Sequential recording or projection (G03B33/02, G03B33/04, G03B33/06 take precedence)

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