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IPC Subgroup
G09D 3/06

with rotatable members

Introduced: September 1968

Last revised: January 2006

Full Title

Perpetual calendars > wherein members bearing the indicia are movably mounted in the calendar > with rotatable members

Classification Context

Section:
PHYSICS
Class:
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
Subclass:
RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS

Filing statistics

IPC G09D 3/06 belongs to the parent subclass G09D, which recorded 687 patent applications worldwide between 2013 and 2023. Annual filings declined from 87 in 2013 to 44 in 2023 (-49%). The most active applicants in class G09 are SAMSUNG DISPLAY (16,046 applications), BOE TECHNOLOGY GROUP COMPANY (13,766 applications) and BOE TECHNOLOGY GROUP COMPANY (12,804 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor 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