the middle component being a - compound meniscus having a + lens

Introduced: September 1968

Title

Titles differ between systems:

IPC: the middle component being a – compound meniscus having a + lens

CPC: the middle component being a - compound meniscus having a + lens

Full Title

Full titles differ between systems:

IPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – > having three components only > arranged + – + > the middle component being a – compound meniscus having a + lens

CPC:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - (G02B15/00 takes precedence) > having three components only > arranged + - + > the middle component being a - compound meniscus having a + lens

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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G02B 9/32 the + lens being a meniscus 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