Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids

Introduced: September 1968

Title

Titles differ between systems:

IPC: Hoods or caps for eliminating unwanted light from lenses, viewfinders, or focusing aids

CPC: Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids

Full Title

Full titles differ between systems:

IPC:

Filters or other obturators specially adapted for photographic purposes > Hoods or caps for eliminating unwanted light from lenses, viewfinders, or focusing aids

CPC:

Filters or other obturators specially adapted for photographic purposes > Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

G03B 11/041 CPC only CPC only
G03B 11/043 CPC only CPC only
G03B 11/045 CPC only CPC only
G03B 11/046 CPC only CPC only
G03B 11/06 Lens caps for exposure making 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