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PCE
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DIFF Subgroup
G02B 1/113

using inorganic layer materials only

Introduced: January 2015

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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 (G02B1/08 takes precedence) > Anti-reflection coatings > using inorganic layer materials only

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

IPC defines codes here since 2015.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class G02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 14,409
  2. BOE TECHNOLOGY GROUP COMPANY CN 14,236
  3. BOE TECHNOLOGY GROUP COMPANY 11,826
  4. SAMSUNG ELECTRONICS COMPANY KR 10,141
  5. FUJIFILM JP 8,506
  6. LG DISPLAY COMPANY KR 7,558
  7. NITTO DENKO CORPORATION JP 6,306
  8. OLYMPUS CORPORATION JP 5,336
  9. SONY CORPORATION JP 5,097
  10. CANON JP 4,814