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IPC Subgroup
G02B 7/04

with mechanism for focusing or varying magnification

Introduced: September 1968

Last revised: January 2021

Full Title

Mountings, adjusting means, or light-tight connections, for optical elements > for lenses > with mechanism for focusing or varying magnification

Classification Context

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

4 direct subcodes

Child Classifications

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  • G02B 7/06 Focusing binocular pairs
  • G02B 7/08 adapted to co-operate with a remote control mechanism
  • G02B 7/09 adapted for automatic focusing or varying magnification

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