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DIFF Main Group
G02B 21/00

Microscopes

Introduced: September 1968

Additional Content IPC

Measuring microscopes

Of 11 combined children, 9 exist in both systems.

2 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G02B 21/0096 CPC only CPC only
  • G02B 21/16 adapted for ultraviolet illumination IPC+CPC Available in IPC and CPC
  • G02B 21/32 Micromanipulators structurally combined with microscopes IPC+CPC Available in IPC and CPC
  • G02B 21/33 Immersion oils since 1995 IPC+CPC Available in IPC and CPC
  • G02B 21/34 Microscope slides, e.g. mounting specimens on microscope slides 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