DIFF Subgroup
G02B 5/26 Reflecting filters (G02B5/28 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Reflecting filters
CPC: Reflecting filters (G02B5/28 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Optical elements other than lenses > Filters > Reflecting filters
CPC:
Optical elements other than lenses (light guides G02B6/00; optical logic elements G02F3/00) > Filters (polarising elements G02B5/30) > Reflecting filters (G02B5/28 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class G02,2013–2023, worldwide · Source: EPO PATSTAT
- BOE TECHNOLOGY GROUP COMPANY 13,460
- BOE TECHNOLOGY GROUP COMPANY CN 11,745
- SAMSUNG DISPLAY KR 10,908
- CANON 9,072
- FUJIFILM JP 7,957
- SAMSUNG ELECTRONICS COMPANY KR 7,805
- LG DISPLAY COMPANY KR 6,558
- CHINESE ACADEMY OF SCIENCES 5,855
- NITTO DENKO CORPORATION JP 5,817
- OLYMPUS CORPORATION JP 4,579
Top Applicants (CPC)
Class G02,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 14,409
- BOE TECHNOLOGY GROUP COMPANY CN 14,236
- BOE TECHNOLOGY GROUP COMPANY 11,826
- SAMSUNG ELECTRONICS COMPANY KR 10,141
- FUJIFILM JP 8,506
- LG DISPLAY COMPANY KR 7,558
- NITTO DENKO CORPORATION JP 6,306
- OLYMPUS CORPORATION JP 5,336
- SONY CORPORATION JP 5,097
- CANON JP 4,814