H04W 12/04
Key management
Official title: Key management, e.g. using generic bootstrapping architecture [GBA]
H04W12/04 (Key management) appears on 8,525 US grants and 10,579 published applications in this corpus.
Search patents in H04W- Granted patents
- 8,525
- Published applications
- 10,579
- Assignees
- 1,909
- Inventors
- 13,122
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 6 |
| 2002 | 13 | 38 |
| 2003 | 8 | 73 |
| 2004 | 9 | 66 |
| 2005 | 22 | 103 |
| 2006 | 40 | 132 |
| 2007 | 44 | 162 |
| 2008 | 44 | 178 |
| 2009 | 82 | 211 |
| 2010 | 101 | 219 |
| 2011 | 141 | 249 |
| 2012 | 205 | 245 |
| 2013 | 269 | 359 |
| 2014 | 360 | 507 |
| 2015 | 450 | 653 |
| 2016 | 555 | 777 |
| 2017 | 636 | 757 |
| 2018 | 665 | 761 |
| 2019 | 708 | 739 |
| 2020 | 732 | 781 |
| 2021 | 661 | 677 |
| 2022 | 631 | 675 |
| 2023 | 660 | 665 |
| 2024 | 606 | 579 |
| 2025 | 492 | 516 |
| 2026 | 337 | 451 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus, system and method for secure direct communication in proximity based services6 Oct 2026US 12,756,988 B2NEC Corporation
- Apparatuses and communication methods of key generation6 Oct 2026US 12,757,013 B2Innopeak Technology, Inc.
- Physical layer security6 Oct 2026US 12,757,014 B2QDAComm LLC
- Detection of untrusted configurator6 Oct 2026US 12,757,016 B2Hewlett Packard Enterprise Development LP
- Method for personalizing a secure element6 Oct 2026US 12,757,024 B2Giesecke+Devrient Mobile Security Germany GmbH
- Independent sequence processing to facilitate security between nodes in wireless networks8 Oct 2026US 2026/0312619 A1Texas Instruments Incorporated
- Subscriber authentication in a non-public network8 Oct 2026US 2026/0312939 A1Verizon Patent and Licensing Inc.
- Network security systems and methods8 Oct 2026US 2026/0312999 A1Intertrust Technologies Corporation
- Communication method and apparatus8 Oct 2026US 2026/0313369 A1Huawei Technologies Co., Ltd.
- Key generation method and apparatus8 Oct 2026US 2026/0313371 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Identity-based wireless device configuration1,202US 7,346,344 B2AOL LLC, a Delaware Limited Liability Company · 2008
- Methods and entities using IPSec ESP to support security functionality for UDP-based traffic1,019US 8,639,936 B2Alcatel Lucent · 2014
- Multi-services application gateway and system employing the same602US 8,543,665 B2Prodea Systems, Inc. · 2013
- Wireless reservation, check-in, access control, check-out and payment499US 7,315,823 B2Telefonaktiebolaget LM Ericsson · 2008
- Authentication proxy agent373US 9,654,473 B2BMC Software, Inc. · 2017