H04L 63/06
Network architectures or network communication protocols for network security: for supporting key
Official title: {for supporting key management in a packet data network (cryptographic mechanisms or cryptographic arrangements for key management H04L9/08)}
H04L63/06 (Network architectures or network communication protocols for network security: for supporting key) appears on 13,165 US grants and 14,791 published applications in this corpus.
Search patents in H04L- Granted patents
- 13,165
- Published applications
- 14,791
- Assignees
- 3,146
- Inventors
- 20,370
- 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 13 | 0 |
| 1998 | 10 | 0 |
| 1999 | 17 | 0 |
| 2000 | 32 | 0 |
| 2001 | 35 | 37 |
| 2002 | 30 | 203 |
| 2003 | 39 | 247 |
| 2004 | 54 | 219 |
| 2005 | 82 | 342 |
| 2006 | 145 | 388 |
| 2007 | 172 | 444 |
| 2008 | 163 | 407 |
| 2009 | 231 | 371 |
| 2010 | 308 | 440 |
| 2011 | 333 | 408 |
| 2012 | 401 | 466 |
| 2013 | 495 | 495 |
| 2014 | 615 | 601 |
| 2015 | 660 | 820 |
| 2016 | 838 | 1286 |
| 2017 | 1039 | 1454 |
| 2018 | 1087 | 1152 |
| 2019 | 1260 | 1046 |
| 2020 | 1161 | 907 |
| 2021 | 944 | 793 |
| 2022 | 846 | 688 |
| 2023 | 762 | 578 |
| 2024 | 625 | 450 |
| 2025 | 507 | 321 |
| 2026 | 243 | 228 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for performance enhanced hierarchical key distribution system6 Oct 2026US 12,755,278 B2
- System and method for establishing a quantum resistant temporal encryption and data aging communications protocol6 Oct 2026US 12,756,554 B2Bank of America Corporation
- Provisioning a device to be an authentication device6 Oct 2026US 12,756,702 B1Amazon Technologies, Inc.
- Apparatus, system and method for secure direct communication in proximity based services6 Oct 2026US 12,756,988 B2NEC Corporation
- Encrypted search cloud service with cryptographic sharing29 Sep 2026US 12,748,882 B2Google 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
- Network security systems and methods8 Oct 2026US 2026/0312999 A1Intertrust Technologies Corporation
- Bot factory environment1 Oct 2026US 2026/0299977 A1American Express Travel Related Services Company, Inc.
- Multi-token provisioning, online purchase transaction processing, and card life cycle management systems and methods1 Oct 2026US 2026/0300964 A1Capital One Financial Corporation
Most cited
By later US patents
- System and method for secure three-party communications1,364US 8,316,237 B12012
- Information management and security system1,052US 5,629,981 ATexas Instruments Incorporated · 1997
- Methods and entities using IPSec ESP to support security functionality for UDP-based traffic1,019US 8,639,936 B2Alcatel Lucent · 2014
- Network security threat detection by user/user-entity behavioral analysis997US 9,516,053 B1Splunk Inc. · 2016
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003