CPC Main Group
G02B 27/00 Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
Filing statistics
CPC G02B 27/00 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
25 direct subcodes
Child Classifications
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- G02B 27/01 Head-up displays
- G02B 27/02 Viewing or reading apparatus (stereoscopic systems G02B30/00)
- G02B 27/09 Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B 27/10 Beam splitting or combining systems (polarising systems G02B27/28; mixing and splitting light signals using optical waveguides G02B6/28; )
- G02B 27/18 for optical projection, e.g. combination of mirror and condenser and objective
- G02B 27/28 for polarising (used in stereoscopes G02B30/25)
- G02B 27/30 Collimators
- G02B 27/32 Fiducial marks and measuring scales within the optical system
- G02B 27/40 Optical focusing aids
- G02B 27/42 Diffraction optics (G02B27/60 takes precedence)
- G02B 27/48 Laser speckle optics
- G02B 27/50 Optics for phase object visualisation
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