G09C 1/06
Wherein elements corresponding to the signs making up the clear text are
Official title: 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
G09C1/06 (Wherein elements corresponding to the signs making up the clear text are) appears on 29 US grants and 22 published applications in this corpus.
Search patents in G09C- Granted patents
- 29
- Published applications
- 22
- Assignees
- 22
- Inventors
- 63
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 5 |
| 2018 | 0 | 3 |
| 2019 | 6 | 4 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crypto recovery seed phrase storage device7 Apr 2026US 12,597,369 B2
- Similarity calculation system, similarity calculation apparatus, similarity calculation method, and similarity calculation program7 Apr 2026US 12,598,057 B2NEC Corporation
- External activating of quiescent device28 Nov 2023US 11,830,383 B2PassiveLogic, Inc.
- Long-term offline management of cryptographic parameters30 May 2023US 11,663,589 B2Ngrave NV
- Secure computation system, secure computation device, secure computation method, and program3 Aug 2021US 11,081,024 B2Nippon Telegraph and Telephone Corporation
- Crypto recovery seed phrase storage device18 Sep 2025US 2025/0292706 A1
- Similarity calculation system, similarity calculation apparatus, similarity calculation method, and similarity calculation program11 Apr 2024US 2024/0121075 A1NEC Corporation
- External Activating of Quiescent Device9 Mar 2023US 2023/0076011 A1PassiveLogic, Inc.
- Encrypting data10 Jun 2021US 2021/0176037 A1Hewlett-Packard Development Company, L. P.
- Long-Term Offline Management of Cryptographic Parameters23 Jul 2020US 2020/0234296 A1Ngrave NV
Most cited
By later US patents
- Stream cipher operation using public key cryptosystem163US 4,471,164 AAT&T Bell Laboratories · 1984
- Rotors17US 3,984,922 A1976
- Portable electronic cryptographic device17US 4,229,817 ADatotek, Inc. · 1980
- Data indicator unit15US 4,068,089 AGretag Aktiengesellschaft · 1978
- Code translator12US 4,441,095 AGretag Aktiengesellschaft · 1984