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IPC Subgroup
G02B 6/5

Underground or underwater installation; Installation through tubing, conduits or ducts

Introduced: January 1995

Last revised: January 2006

Full Title

Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings > Processes or apparatus adapted for installing optical fibres or optical cables > Underground or underwater installation; Installation through tubing, conduits or ducts

Classification Context

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

2 direct subcodes

Child Classifications

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  • G02B 6/52 using fluid, e.g. air
  • G02B 6/54 using mechanical means, e.g. pulling or pushing devices

Top Applicants

Top 10 applicants by patent filingsfor class G02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOE TECHNOLOGY GROUP COMPANY 13,460
  2. BOE TECHNOLOGY GROUP COMPANY CN 11,745
  3. SAMSUNG DISPLAY KR 10,908
  4. CANON 9,072
  5. FUJIFILM JP 7,957
  6. SAMSUNG ELECTRONICS COMPANY KR 7,805
  7. LG DISPLAY COMPANY KR 6,558
  8. CHINESE ACADEMY OF SCIENCES 5,855
  9. NITTO DENKO CORPORATION JP 5,817
  10. OLYMPUS CORPORATION JP 4,579