Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G02B 21/12

affording bright-field illumination (G02B21/14 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: affording bright-field illumination

CPC: affording bright-field illumination (G02B21/14 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Microscopes > Means for illuminating specimen > Condensers > affording bright-field illumination

CPC:

Microscopes > Means for illuminating specimens > Condensers > affording bright-field illumination (G02B21/14 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

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