G09C 5/00
Ciphering apparatus or methods not provided for in the preceding groups
Official title: Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
G09C5/00 (Ciphering apparatus or methods not provided for in the preceding groups) appears on 728 US grants and 866 published applications in this corpus.
Search patents in G09C- Granted patents
- 728
- Published applications
- 866
- Assignees
- 455
- Inventors
- 1,512
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 4 |
| 2003 | 4 | 6 |
| 2004 | 3 | 6 |
| 2005 | 3 | 12 |
| 2006 | 7 | 17 |
| 2007 | 5 | 19 |
| 2008 | 2 | 20 |
| 2009 | 6 | 30 |
| 2010 | 12 | 24 |
| 2011 | 19 | 19 |
| 2012 | 27 | 42 |
| 2013 | 29 | 38 |
| 2014 | 42 | 44 |
| 2015 | 35 | 61 |
| 2016 | 51 | 60 |
| 2017 | 57 | 71 |
| 2018 | 47 | 90 |
| 2019 | 69 | 49 |
| 2020 | 53 | 35 |
| 2021 | 44 | 42 |
| 2022 | 27 | 49 |
| 2023 | 46 | 52 |
| 2024 | 45 | 38 |
| 2025 | 42 | 25 |
| 2026 | 19 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-leak digital document marking system and method using distributed ledger25 Aug 2026US 12,718,311 B1Equity Shift, Inc.
- Systems and methods for reliable authentication of jewelry and/or gemstones18 Aug 2026US 12,710,373 B2
- Method and systems for creating electronic devices via maskless lithography2 Jun 2026US 12,648,451 B2ASML Netherlands B. V.
- System for real-time authenticated obfuscation of electronic data26 May 2026US 12,639,481 B2Bank of America Corporation
- Encoded animated images and methods of generating, displaying, and reading encoded animated images, in particular for authorizing operations on online services19 May 2026US 12,634,140 B2INTESA SANPAOLO S.p.A.
- Blockchain Powered Art Authentication13 Aug 2026US 2026/0236944 A1Outlander Capital LLC
- Method, apparatus, and system for transfering data30 Jul 2026US 2026/0220635 A1mycashless SAPI de CV
- Systems and methods for authenticating a user at a public terminal9 Jul 2026US 2026/0195440 A1Capital One Services, LLC
- Dirichlet convolution-based cryptography methods and systems9 Jul 2026US 2026/0197155 A1Noumerica Data Security Inc.
- Method and system for generating an image and its use to encode and encrypt information25 Jun 2026US 2026/0181100 A1Sgdl Innovation SA
Most cited
By later US patents
- Abstraction layer for default encryption with orthogonal encryption logic session object; and automated authentication, with a method for online litigation264US 9,141,823 B2Veridicom, SA De Cv · 2015
- Authentication method and system236US 7,089,420 B1Tracer Detection Technology Corp. · 2006
- Method and system for monitoring user interaction with a computer230US 7,139,916 B2eBay Inc. · 2006
- Authentication method and system225US 8,171,567 B1Tracer Detection Technology Corp. · 2012
- Authentication method and system224US 7,162,035 B1Tracer Detection Technology Corp. · 2007