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PCE
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CPC Subgroup
G03C 8/12

characterised by the releasing mechanism

Full Title

Diffusion transfer processes or agents therefor; Photosensitive materials for such processes > Photosensitive materials characterised by the image-forming section > the substances transferred by diffusion consisting of organic compounds (G03C8/04 takes precedence) > of dyes or their precursors > characterised by the releasing mechanism

2 direct subcodes

Child Classifications

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  • G03C 8/22 Reduction of the chromogenic substance

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