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PCE
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CPC Subgroup
G03H 1/10

using modulated reference beam

Full Title

Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto > Processes or apparatus for producing holograms (G03H1/26 takes precedence) > using modulated reference beam

2 direct subcodes

Child Classifications

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  • G03H 1/12 Spatial modulation, e.g. ghost imaging
  • G03H 1/14 Temporal modulation, e.g. extending depth of field or phase compensation for object motion

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