CPC Subgroup
G03H 1/04 Processes or apparatus for producing holograms (G03H1/26 takes precedence)
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)
12 direct subcodes
Child Classifications
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- G03H 1/06 using incoherent light
- G03H 1/08 Synthesising holograms, (using electric digital computers G06F; G06T)
- G03H 1/10 using modulated reference beam
- G03H 1/16 using Fourier transform (, G03H1/12, G03H1/14 take precedence; analogue computers G06G, e.g. G06G7/19)
- G03H 1/18 Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
- G03H 1/20 Copying holograms by holographic means
Top Applicants
Top 10 applicants by patent filingsfor class G03, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON JP 19,215
- CANON 12,916
- ASML NETHERLANDS NL 10,000
- FUJIFILM JP 7,814
- SAMSUNG ELECTRONICS COMPANY KR 5,181
- CARL ZEISS SMT DE 5,079
- RICOH COMPANY JP 4,343
- LG INNOTEK COMPANY KR 4,054
- KYOCERA DOCUMENT SOLUTIONS 3,812
- KYOCERA DOCUMENT SOLUTIONS JP 3,682