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IPC Subgroup
G02B 9/04

having two components only

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 two components only

Classification Context

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

Filing statistics

IPC G02B 9/04 belongs to the parent subclass G02B, which recorded 685,920 patent applications worldwide between 2013 and 2023. Annual filings grew from 48,241 in 2013 to 61,226 in 2023 (+27%), peaking at 73,100 applications in 2020. The most active applicants in class G02 are BOE TECHNOLOGY GROUP COMPANY (13,460 applications), BOE TECHNOLOGY GROUP COMPANY (11,745 applications) and SAMSUNG DISPLAY (10,908 applications).

Source: EPO PATSTAT, worldwide filings

2 direct subcodes

Child Classifications

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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