G06F 21/40
By quorum, i.e. whereby two or more security principals are required
Official title: by quorum, i.e. whereby two or more security principals are required
G06F21/40 (By quorum, i.e. whereby two or more security principals are required) appears on 796 US grants and 887 published applications in this corpus.
Search patents in G06F- Granted patents
- 796
- Published applications
- 887
- Assignees
- 377
- Inventors
- 1,752
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 3 | 5 |
| 2003 | 0 | 2 |
| 2004 | 5 | 8 |
| 2005 | 2 | 11 |
| 2006 | 3 | 16 |
| 2007 | 4 | 17 |
| 2008 | 8 | 17 |
| 2009 | 9 | 17 |
| 2010 | 6 | 20 |
| 2011 | 15 | 24 |
| 2012 | 14 | 32 |
| 2013 | 29 | 43 |
| 2014 | 50 | 52 |
| 2015 | 50 | 35 |
| 2016 | 44 | 52 |
| 2017 | 48 | 49 |
| 2018 | 46 | 67 |
| 2019 | 54 | 88 |
| 2020 | 86 | 88 |
| 2021 | 73 | 66 |
| 2022 | 58 | 46 |
| 2023 | 60 | 47 |
| 2024 | 45 | 34 |
| 2025 | 42 | 30 |
| 2026 | 19 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Using dynamic combinations of authentication factors in verification procedures8 Sep 2026US 12,730,874 B2International Business Machines Corporation
- Multi-factor automated teller machine (ATM) personal number (PIN)18 Aug 2026US 12,711,505 B2Capital One Services, LLC
- Loop8 quorum access system and method4 Aug 2026US 12,699,787 B2L8P8, Inc.
- Verification method, verification device, and program14 Jul 2026US 12,682,036 B2Panasonic Intellectual Property Corporation of America
- Filtering, anonymizing, and storing anonymized data as part of an age verification process7 Jul 2026US 12,676,854 B2Age Checked Limited
- Verifying a Trusted Entity's Identification Via Proximity-Based Data17 Sep 2026US 2026/0278062 A1Capital One Services, LLC
- Second Factor Authentication for Application Programming Interfaces20 Aug 2026US 2026/0244731 A1DigiCert, Inc.
- System and method for artificial intelligence-based risk assessment and security control of digital assets20 Aug 2026US 2026/0244756 A1The Toronto-Dominion Bank
- System and method for authenticating using a mobile device30 Jul 2026US 2026/0220249 A1
- Device to perform user authentication2 Jul 2026US 2026/0187220 A1Shanghai AVIC Optoelectronics Co., Ltd.
Most cited
By later US patents
- System and method for authentication of network users530US 6,263,447 B1Equifax Inc. · 2001
- Preauthorized wearable biometric device, system and method for use thereof481US 8,994,498 B2Bionym Inc. · 2015
- System and method for authentication of network users393US 6,496,936 B1Equifax Inc. · 2002
- System and method for authentication of network users367US 6,857,073 B2Equifax Inc. · 2005
- Multi-step digital signature method and system336US 5,825,880 A1998