G02B 15/16 with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group (G02B15/22 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
CPC: with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group (G02B15/22 takes precedence)
Full Title
Full titles differ between systems:
Optical objectives with means for varying the magnification > 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 > with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
Optical objectives with means for varying the magnification (anamorphotic objectives G02B13/08) > 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 > with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group (G02B15/22 takes precedence)
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1985.
Child Classifications
Navigate with arrow keys, Enter to open
- G02B 15/163 having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group (G02B15/177 takes precedence) since 1985 IPC+CPC Available in IPC and CPC
- G02B 15/177 having a negative front lens or group of lenses since 1985 IPC+CPC Available in IPC and CPC
- G02B 15/20 having an additional movable lens or lens group for varying the objective focal length since 1985 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