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PCE
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IPC Main Group
G02B 1/00

Optical elements characterised by the material of which they are made; Optical coatings for optical elements

Introduced: September 1968

Last revised: January 2006

Classification Context

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

Related Keywords

windows or screens for reducing DAZZLEOPTICAL(LY) elements

5 direct subcodes

Child Classifications

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  • G02B 1/02 made of crystals, e.g. rock-salt, semiconductors
  • G02B 1/04 made of organic materials, e.g. plastics
  • G02B 1/06 made of fluids in transparent cells
  • G02B 1/08 made of polarising materials

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