G09C 1/06 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
Full Title
Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (cryptographic typewriters G09C3/00) > wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
Filing statistics
CPC G09C 1/06 belongs to the parent subclass G09C, which recorded 8,268 patent applications worldwide between 2013 and 2023. Annual filings declined from 600 in 2013 to 312 in 2023 (-48%), peaking at 1,116 applications in 2015. The most active applicants in class G09 are SAMSUNG DISPLAY (22,477 applications), BOE TECHNOLOGY GROUP COMPANY (16,016 applications) and BOE TECHNOLOGY GROUP COMPANY (12,918 applications).
Source: EPO PATSTAT, worldwide filings
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Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 22,477
- BOE TECHNOLOGY GROUP COMPANY CN 16,016
- BOE TECHNOLOGY GROUP COMPANY 12,918
- LG DISPLAY COMPANY KR 12,599
- SAMSUNG ELECTRONICS COMPANY KR 12,009
- SAMSUNG DISPLAY 6,252
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 4,410
- SONY CORPORATION JP 3,965
- LG ELECTRONICS KR 3,901
- LG DISPLAY COMPANY 3,705