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
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