DIFF Main Group
G02B 15/00 Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Optical objectives with means for varying the magnification
CPC: Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08)
Full Title
Full titles differ between systems:
IPC:
Optical objectives with means for varying the magnification
CPC:
Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G02B 15/02 by changing, adding, or subtracting a part of the objective, e.g. convertible objective IPC+CPC Available in IPC and CPC
- G02B 15/14 by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective +5 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class G02,2013–2023, worldwide · Source: EPO PATSTAT
- BOE TECHNOLOGY GROUP COMPANY 13,460
- BOE TECHNOLOGY GROUP COMPANY CN 11,745
- SAMSUNG DISPLAY KR 10,908
- CANON 9,072
- FUJIFILM JP 7,957
- SAMSUNG ELECTRONICS COMPANY KR 7,805
- LG DISPLAY COMPANY KR 6,558
- CHINESE ACADEMY OF SCIENCES 5,855
- NITTO DENKO CORPORATION JP 5,817
- OLYMPUS CORPORATION JP 4,579
Top Applicants (CPC)
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