Multilayers

Introduced: January 2015

Full Title

Optical elements characterised by the material of which they are made; Optical coatings for optical elements > Optical coatings produced by application to, or surface treatment of, optical elements > Anti-reflection coatings > using inorganic layer materials only > Multilayers

Classification Context

Section:: PHYSICS
Class:: OPTICS
Subclass:: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

1 direct subcode

Child Classifications

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G02B 1/116 including electrically conducting layers

Top Applicants

Top 10 applicants by patent filingsfor 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