Class G09C : CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
Subclass 1/02: 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 G09C 3/00) by using a ciphering code in chart form
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11831769 | Registration device, server device, searchable encryption system, and searchable encryption method | Sep 15, 20 | Nov 28, 23 | Mitsubishi Electric Corporation |
| 11663589 | Long-term offline management of cryptographic parameters | Jan 17, 20 | May 30, 23 | NGRAVE NV |
| 11281688 | Ranking and de-ranking data strings | Feb 11, 20 | Mar 22, 22 | MICRO FOCUS LLC |
| 10911215 | BitMap lattice: a cyber tool comprised of geometric construction | Feb 14, 20 | Feb 02, 21 | Not available |
| 10360821 | Sentence recognition device, sentence recognition method, and recording medium | Feb 03, 14 | Jul 23, 19 | AT Communications Co., Ltd. |
| 5321755 | Information-encrypting device and method | Dec 18, 92 | Jun 14, 94 | DAMATON LIMITED |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0036,816 | Efficient and Secure Data Handling Using Domain-Oriented Masking | Dec 16, 22 | Jan 30, 25 | Google LLC |
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