H04L 63/061
For key exchange
Official title: {for key exchange, e.g. in peer-to-peer networks (cryptographic mechanisms or cryptographic arrangements for key agreement H04L9/0838)}
H04L63/061 (For key exchange) appears on 4,504 US grants and 5,032 published applications in this corpus.
Search patents in H04L- Granted patents
- 4,504
- Published applications
- 5,032
- Assignees
- 1,398
- Inventors
- 7,552
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 0 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 7 |
| 2002 | 6 | 66 |
| 2003 | 8 | 62 |
| 2004 | 15 | 60 |
| 2005 | 26 | 102 |
| 2006 | 34 | 107 |
| 2007 | 47 | 128 |
| 2008 | 42 | 111 |
| 2009 | 62 | 104 |
| 2010 | 89 | 128 |
| 2011 | 106 | 153 |
| 2012 | 119 | 167 |
| 2013 | 134 | 149 |
| 2014 | 220 | 204 |
| 2015 | 216 | 355 |
| 2016 | 323 | 493 |
| 2017 | 442 | 588 |
| 2018 | 401 | 441 |
| 2019 | 509 | 383 |
| 2020 | 407 | 273 |
| 2021 | 306 | 248 |
| 2022 | 283 | 220 |
| 2023 | 247 | 178 |
| 2024 | 196 | 144 |
| 2025 | 159 | 91 |
| 2026 | 71 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Communication protocol for non-internet-enabled devices15 Sep 2026US 12,738,113 B2Luxer Corporation
- Lightweight authentication protocol using device tokens15 Sep 2026US 12,739,244 B2Amazon Technologies, Inc.
- Method and Control Unit for Enabling a Remote Control Service for a Vehicle8 Oct 2026US 2026/0310196 A1Bayerische Motoren Werke Aktiengesellschaft
- Independent sequence processing to facilitate security between nodes in wireless networks8 Oct 2026US 2026/0312619 A1Texas Instruments Incorporated
- Bot factory environment1 Oct 2026US 2026/0299977 A1American Express Travel Related Services Company, Inc.
- A Method for Authenticating a User at an Application, a Related User Device and a Related Server Device1 Oct 2026US 2026/0303581 A1Sidlabz
- Systems and methods for managing digital rights24 Sep 2026US 2026/0291753 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- System and method for secure three-party communications1,364US 8,316,237 B12012
- Methods and entities using IPSec ESP to support security functionality for UDP-based traffic1,019US 8,639,936 B2Alcatel Lucent · 2014
- System and method for secure three-party communications882US 7,181,017 B12007
- Electronic commerce using a secure courier system804US 5,671,279 ANetscape Communications Corporation · 1997
- Method and apparatus for key-management scheme for use with internet protocols at site firewalls540US 5,416,842 ASun Microsystems, Inc. · 1995