Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G03C 7/26

Silver halide emulsions for subtractive colour processes (G03C7/28 - G03C7/30 take precedence)

Full Title

Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes (diffusion transfer processes G03C8/00) > Silver halide emulsions for subtractive colour processes (G03C7/28 - G03C7/30 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