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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup Additional Only
G03H 2222/24

Low coherence light normally not allowing valuable record or reconstruction (G03H1/06 takes precedence)

Full Title

Light sources or light beam properties > Coherence of the light source > Low coherence light normally not allowing valuable record or reconstruction (G03H1/06 takes 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