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DIFF Main Group
G09B 17/00

Teaching reading (teaching lip-reading G09B21/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Teaching reading

CPC: Teaching reading (teaching lip-reading G09B21/00)

Full Title

Full titles differ between systems:

IPC:

Teaching reading

CPC:

Teaching reading (teaching lip-reading G09B21/00)

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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  • G09B 17/02 Line indicators or other guides or masks IPC+CPC Available in IPC and CPC
  • G09B 17/04 for increasing the rate of reading; Reading rate control IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G09,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 16,046
  2. BOE TECHNOLOGY GROUP COMPANY 13,766
  3. BOE TECHNOLOGY GROUP COMPANY CN 12,804
  4. LG DISPLAY COMPANY KR 10,322
  5. SAMSUNG ELECTRONICS COMPANY KR 7,738
  6. SAMSUNG DISPLAY 5,172
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
  8. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
  9. LG DISPLAY COMPANY 3,335
  10. SONY CORPORATION JP 3,179

Top Applicants (CPC)

Class G09,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 22,477
  2. BOE TECHNOLOGY GROUP COMPANY CN 16,016
  3. BOE TECHNOLOGY GROUP COMPANY 12,918
  4. LG DISPLAY COMPANY KR 12,599
  5. SAMSUNG ELECTRONICS COMPANY KR 12,009
  6. SAMSUNG DISPLAY 6,252
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
  8. SONY CORPORATION JP 3,965
  9. LG ELECTRONICS KR 3,901
  10. LG DISPLAY COMPANY 3,705