CPC Main Group
G02B 23/00 Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Filing statistics
CPC G02B 23/00 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
5 direct subcodes
Child Classifications
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- G02B 23/02 involving prisms or mirrors (G02B23/14 takes precedence)
- G02B 23/12 with means for image conversion or intensification
- G02B 23/14 Viewfinders (for photographic apparatus G03B13/02)
- G02B 23/16 Housings; Caps; Mountings; Supports, e.g. with counterweight
- G02B 23/24 Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
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