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IPC Subgroup
G02B 9/36

arranged + –– +

Introduced: September 1968

Last revised: January 2006

Full Title

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – > having four components only > arranged + –– +

Classification Context

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

6 direct subcodes

Child Classifications

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  • G02B 9/5 both + components being meniscus
  • G02B 9/52 the rear + component being compound
  • G02B 9/54 the front + component being compound
  • G02B 9/56 all components being simple lenses

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