Particular processing of hologram record carriers, e.g. for obtaining blazed holograms

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

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 > Particular processing of hologram record carriers, e.g. for obtaining blazed holograms

CPC:

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) > Particular processing of hologram record carriers, e.g. for obtaining blazed holograms

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

Child Classifications

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G03H 1/181 CPC only CPC only
G03H 1/182 +1 CPC CPC only CPC only
G03H 2001/185 2nd only CPC only CPC only
G03H 2001/186 2nd only CPC only CPC only
G03H 2001/187 2nd only +1 CPC CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class G03,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

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