CPC Main Group
G02B 13/00 Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00)
Filing statistics
CPC G02B 13/00 belongs to the parent subclass G02B, which recorded 623,096 patent applications worldwide between 2013 and 2023. Annual filings grew from 43,600 in 2013 to 50,077 in 2023 (+15%), peaking at 66,341 applications in 2018. The most active applicants in class G02 are SAMSUNG DISPLAY (14,409 applications), BOE TECHNOLOGY GROUP COMPANY (14,236 applications) and BOE TECHNOLOGY GROUP COMPANY (11,826 applications).
Source: EPO PATSTAT, worldwide filings
13 direct subcodes
Child Classifications
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- G02B 13/02 Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
- G02B 13/04 Reversed telephoto objectives
- G02B 13/06 Panoramic objectives; So-called "sky lenses"
- G02B 13/08 Anamorphotic objectives
- G02B 13/14 for use with infrared or ultraviolet radiation ( G02B13/16 take precedence)
- G02B 13/16 for use in conjunction with image converters or intensifiers
- G02B 13/18 with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
- G02B 13/20 Soft-focus objectives
- G02B 13/22 Telecentric objectives or lens systems
- G02B 13/24 for reproducing or copying at short object distances
Top Applicants
Top 10 applicants by patent filingsfor 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