H04L 9/14
Cryptographic mechanisms or cryptographic arrangements for secret or secure communications: using a
Official title: using a plurality of keys or algorithms
H04L9/14 (Cryptographic mechanisms or cryptographic arrangements for secret or secure communications: using a) appears on 6,254 US grants and 7,165 published applications in this corpus.
Search patents in H04L- Granted patents
- 6,254
- Published applications
- 7,165
- Assignees
- 1,982
- Inventors
- 10,670
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 11 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 6 | 5 |
| 2002 | 11 | 30 |
| 2003 | 9 | 22 |
| 2004 | 6 | 23 |
| 2005 | 12 | 29 |
| 2006 | 19 | 48 |
| 2007 | 19 | 55 |
| 2008 | 19 | 64 |
| 2009 | 24 | 55 |
| 2010 | 45 | 72 |
| 2011 | 43 | 72 |
| 2012 | 60 | 88 |
| 2013 | 87 | 129 |
| 2014 | 129 | 194 |
| 2015 | 190 | 303 |
| 2016 | 285 | 340 |
| 2017 | 321 | 661 |
| 2018 | 408 | 717 |
| 2019 | 590 | 629 |
| 2020 | 666 | 633 |
| 2021 | 646 | 669 |
| 2022 | 586 | 608 |
| 2023 | 634 | 562 |
| 2024 | 564 | 467 |
| 2025 | 525 | 406 |
| 2026 | 286 | 284 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine learning model parameter based encryption6 Oct 2026US 12,754,996 B2HiddenLayer, Inc.
- Protection of a circuit design within a design container6 Oct 2026US 12,755,059 B2Xilinx, Inc.
- Method for interaction between IOT nodes in a local network and local IOT node network6 Oct 2026US 12,756,556 B2Perinet GmbH
- DNS+ protocol and infrastructure for enhanced domain utility6 Oct 2026US 12,756,557 B1Freename AG
- Methods and systems for secure communication between two or more appliances6 Oct 2026US 12,757,012 B2Haier US Appliance Solutions, Inc.
- Asset-backed digital tokens8 Oct 2026US 2026/0311150 A1Precidian Investments, LLC
- System and Method for Architectural Integrity Assurance in Neural Networks8 Oct 2026US 2026/0312804 A1
- Battery-less energy harvesting tag (etag) payload decryption at electronic labels8 Oct 2026US 2026/0312943 A1QUALCOMM Incorporated
- Quantum-Resilient Decentralized Social Media System1 Oct 2026US 2026/0300941 A1
- Secure large language model (llm) deployment in an enterprise1 Oct 2026US 2026/0303321 A1Constructor Education and Research Genossenschaft
Most cited
By later US patents
- Single sign-on access in an orchestration framework for connected devices695US 8,613,070 B1Citrix Systems, Inc. · 2013
- Blockchain identity management system based on public identities ledger555US 9,635,000 B12017
- Secure and zero knowledge data sharing for cloud applications503US 10,608,817 B2Masimo Corporation · 2020
- Interactive surgical systems with condition handling of devices and data capabilities498US 11,069,012 B2Cilag GmbH International · 2021
- Method and apparatus for correcting improper encryption and/or for reducing memory storage323US 6,341,164 B12002