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DIFF Main Group
G02B 13/00

Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Optical objectives specially designed for the purposes specified below

CPC: Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00)

Full Title

Full titles differ between systems:

IPC:

Optical objectives specially designed for the purposes specified below

CPC:

Optical objectives specially designed for the purposes specified below (with variable magnification G02B15/00)

Of 13 combined children, 10 exist in both systems.

3 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G02B 13/0005 CPC only CPC only
  • G02B 13/0095 CPC only CPC only
  • G02B 13/02 Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length IPC+CPC Available in IPC and CPC
  • G02B 13/04 Reversed telephoto objectives IPC+CPC Available in IPC and CPC
  • G02B 13/06 Panoramic objectives; So-called "sky lenses" IPC+CPC Available in IPC and CPC
  • G02B 13/16 for use in conjunction with image converters or intensifiers IPC+CPC Available in IPC and CPC
  • G02B 13/18 with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration IPC+CPC Available in IPC and CPC
  • G02B 13/20 Soft-focus objectives IPC+CPC Available in IPC and CPC
  • G02B 13/22 Telecentric objectives or lens systems IPC+CPC Available in IPC and CPC

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