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IPC Main Group
G02F 3/00

Optical logic elements; Optical bistable devices

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
OPTICS
Subclass:
OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

Filing statistics

IPC G02F 3/00 belongs to the parent subclass G02F, which recorded 278,767 patent applications worldwide between 2013 and 2023. Annual filings declined from 25,700 in 2013 to 19,539 in 2023 (-24%), peaking at 29,617 applications in 2017. 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

Related Keywords

optical LOGIC elementsOPTICAL(LY) logic elements

1 direct subcode

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