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IPC Subgroup
G03H 1/04

Processes or apparatus for producing holograms

Introduced: July 1974

Last revised: January 2006

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

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
HOLOGRAPHIC PROCESSES OR APPARATUS

6 direct subcodes

Child Classifications

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  • G03H 1/06 using incoherent light
  • G03H 1/08 Synthesising holograms
  • G03H 1/16 using Fourier transform
  • G03H 1/18 Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
  • G03H 1/2 Copying holograms by holographic means

Top Applicants

Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 31,416
  2. CANON JP 17,469
  3. KYOCERA DOCUMENT SOLUTIONS 9,845
  4. RICOH COMPANY 9,807
  5. ASML NETHERLANDS NL 9,427
  6. FUJIFILM JP 7,225
  7. KONICA MINOLTA CORPORATION 7,216
  8. FUJI XEROX COMPANY 5,711
  9. CARL ZEISS SMT DE 4,971
  10. RICOH COMPANY JP 4,123