Exposure; Apparatus therefor (photographic printing apparatus for making copies G03B27/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Exposure; Apparatus therefor

CPC: Exposure; Apparatus therefor (photographic printing apparatus for making copies G03B27/00)

Full Title

Full titles differ between systems:

IPC:

Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printed surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor > Exposure; Apparatus therefor

CPC:

Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor (using photoresist structures for special production processes, see the relevant places, e.g. B44C, H10P76/00, H05K) > Exposure; Apparatus therefor (photographic printing apparatus for making copies G03B27/00)

CPC subdivides this area 3x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions, 1 exist only in IPC.

Child Classifications

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G03F 7/2002 +5 CPC CPC only CPC only
G03F 7/2022 +4 CPC CPC only CPC only
G03F 7/2035 CPC only CPC only
G03F 7/2037 +1 CPC CPC only CPC only
G03F 7/2041 +1 CPC CPC only CPC only
G03F 7/2045 +1 CPC CPC only CPC only
G03F 7/2049 CPC only CPC only
G03F 7/2051 +3 CPC CPC only CPC only
G03F 7/207 Means for focusing, e.g. automatically since 1985 IPC only IPC only
G03F 7/213 Exposing with the same light pattern different positions of the same surface at the same time since 1985 IPC+CPC Available in IPC and CPC
G03F 7/22 Exposing sequentially with the same light pattern different positions of the same surface IPC+CPC Available in IPC and CPC
G03F 7/24 Curved surfaces IPC+CPC Available in IPC and CPC

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