G06F 2221/2113
Multi-level security
Official title: Multi-level security, e.g. mandatory access control
G06F2221/2113 (Multi-level security) appears on 1,620 US grants and 1,838 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,620
- Published applications
- 1,838
- Assignees
- 680
- Inventors
- 3,870
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 7 |
| 2002 | 13 | 69 |
| 2003 | 26 | 57 |
| 2004 | 22 | 42 |
| 2005 | 28 | 66 |
| 2006 | 31 | 62 |
| 2007 | 35 | 45 |
| 2008 | 24 | 57 |
| 2009 | 45 | 52 |
| 2010 | 48 | 43 |
| 2011 | 44 | 41 |
| 2012 | 45 | 53 |
| 2013 | 61 | 75 |
| 2014 | 71 | 102 |
| 2015 | 107 | 95 |
| 2016 | 92 | 111 |
| 2017 | 81 | 101 |
| 2018 | 83 | 75 |
| 2019 | 99 | 91 |
| 2020 | 110 | 94 |
| 2021 | 74 | 89 |
| 2022 | 80 | 99 |
| 2023 | 86 | 95 |
| 2024 | 99 | 85 |
| 2025 | 90 | 76 |
| 2026 | 56 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Format-preserving tokenization29 Sep 2026US 12,748,886 B2Visa International Service Association
- Systems and methods for scrambling cells of a data structure22 Sep 2026US 12,743,538 B2Google Inc.
- Mountless querying of listing data22 Sep 2026US 12,743,541 B2Snowflake Inc.
- Method and system for dynamic application of storage encryption15 Sep 2026US 12,737,467 B2Naver Cloud Corporation
- Fine-grained data structure element access control8 Sep 2026US 12,730,910 B2Wells Fargo Bank, N. A.
- Multi-user interactive calendar management method, medium and device based on artificial intelligence24 Sep 2026US 2026/0289517 A1Shenzhen Zhengqing Technology Co., Ltd.
- Nested Permissions Policy Generation17 Sep 2026US 2026/0278126 A1Oracle International Corporation
- Techniques for just-in-time context based permission access of computing resources10 Sep 2026US 2026/0268010 A1Linx Ltd.
- Decentralized database optimizations3 Sep 2026US 2026/0261428 A1
- Controlling resource access requests in containerized platform27 Aug 2026US 2026/0252717 A1International Business Machines Corporation
Most cited
By later US patents
- Data security system and method for separation of user communities1,552US 7,140,044 B2Digital Doors, Inc. · 2006
- Security systems for protecting an asset670US 7,552,467 B22009
- Integrated network security system588US 5,237,614 ASecurity Dynamics Technologies, Inc. · 1993
- Digital rights management operating system562US 6,330,670 B1Microsoft Corporation · 2001
- Log-on service providing credential level change without loss of session continuity540US 6,609,198 B1Sun Microsystems, Inc. · 2003