CPC Subgroup
G02B 15/04 by changing a part
Full Title
Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08) > by changing, adding, or subtracting a part of the objective, e.g. convertible objective > by changing a part
2 direct subcodes
Child Classifications
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- G02B 15/06 by changing the front part
- G02B 15/08 by changing the rear part
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