G09C 1/04
Apparatus or methods whereby a given sequence of signs: with sign carriers
Official title: with sign carriers or indicators moved relative to one another to positions determined by a permutation code, or key, so as to indicate the appropriate corresponding clear or ciphered text
G09C1/04 (Apparatus or methods whereby a given sequence of signs: with sign carriers) appears on 28 US grants and 30 published applications in this corpus.
Search patents in G09C- Granted patents
- 28
- Published applications
- 30
- Assignees
- 14
- Inventors
- 53
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crypto recovery seed phrase storage device7 Apr 2026US 12,597,369 B2
- Method for encrypting data by means of matrix operations2 Dec 2025US 12,489,604 B2
- Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium14 Nov 2023US 11,818,254 B2Nippon Telegraph and Telephone Corporation
- Long-term offline management of cryptographic parameters30 May 2023US 11,663,589 B2Ngrave NV
- Reduced overhead gate level logic encryption22 Mar 2022US 11,282,414 B2Drexel University
- Crypto recovery seed phrase storage device18 Sep 2025US 2025/0292706 A1
- Method for encrypting data by means of matrix operations23 Nov 2023US 2023/0379137 A1
- Portable data stack holder16 Sep 2021US 2021/0287574 A1
- Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium19 Nov 2020US 2020/0366466 A1Nippon Telegraph and Telephone Corporation
- Long-Term Offline Management of Cryptographic Parameters23 Jul 2020US 2020/0234296 A1Ngrave NV
Most cited
By later US patents
- Memory aiding device44US 5,246,375 A1993
- Adaptive policies and protections for securing financial transaction data at rest21US 8,850,539 B2American Express Travel Related Services Company, Inc. · 2014
- Decryption device20US 5,056,142 A1991
- Adaptive policies and protections for securing financial transaction data at rest16US 9,213,975 B2American Express Travel Related Services Company, Inc. · 2015
- Personal identification encryptor system and method11US 4,870,683 AAtalla Corporation · 1989