Authentication device, authentication method, and recording medium
US-12542674-B2 · Feb 3, 2026 · US
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by using a ciphering code in chart form
by using a ciphering code in chart form · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G09C1/02 |
| Official title | by using a ciphering code in chart form |
| Display label | by using a ciphering code in chart form |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Diversification of instruction set encodings to protect software
US-12476810-B2 · Nov 18, 2025 · US
Diversification of instruction set encodings to protect software
US-2025150272-A1 · May 8, 2025 · US
Efficient and Secure Data Handling Using Domain-Oriented Masking
US-2025036816-A1 · Jan 30, 2025 · US
Authentication device, authentication method, and recording medium
US-2024333491-A1 · Oct 3, 2024 · US
Registration device, server device, searchable encryption system, and searchable encryption method
US-11831769-B2 · Nov 28, 2023 · US
Correlation-based robust authentication technique using helper data only
US-11411751-B2 · Aug 9, 2022 · US
Document management cryptography
US-11290253-B2 · Mar 29, 2022 · US
Ranking and de-ranking data strings
US-11281688-B2 · Mar 22, 2022 · US
Document Management Cryptography
US-2021281393-A1 · Sep 9, 2021 · US
Ranking and De-ranking Data Strings
US-2021248154-A1 · Aug 12, 2021 · US
Correlation-based robust authentication technique using helper data only
US-2021135887-A1 · May 6, 2021 · US
BitMap lattice: a cyber tool comprised of geometric construction
US-10911215-B2 · Feb 2, 2021 · US
Registration device, server device, searchable encryption system, and searchable encryption method
US-2020412536-A1 · Dec 31, 2020 · US
BitMap Lattice: A Cyber Tool Comprised of Geometric Construction
US-2020252197-A1 · Aug 6, 2020 · US
Managing security in a system on a chip (SOC) that powers down a secure processor
US-9479331-B2 · Oct 25, 2016 · US
Managing Security in a System on a Chip (SOC) that Powers Down a Secure Processor
US-2016055102-A1 · Feb 25, 2016 · US
Probability Durable Entropic Advantage
US-2015036820-A1 · Feb 5, 2015 · US