H04W 12/0433
Key management protocols
H04W12/0433 (Key management protocols) appears on 774 US grants and 996 published applications in this corpus.
Search patents in H04W- Granted patents
- 774
- Published applications
- 996
- Assignees
- 287
- Inventors
- 1,609
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 9 |
| 2004 | 1 | 2 |
| 2005 | 1 | 10 |
| 2006 | 4 | 12 |
| 2007 | 5 | 21 |
| 2008 | 8 | 17 |
| 2009 | 11 | 26 |
| 2010 | 9 | 19 |
| 2011 | 16 | 34 |
| 2012 | 23 | 13 |
| 2013 | 19 | 27 |
| 2014 | 26 | 20 |
| 2015 | 31 | 28 |
| 2016 | 26 | 36 |
| 2017 | 38 | 55 |
| 2018 | 37 | 69 |
| 2019 | 52 | 91 |
| 2020 | 65 | 82 |
| 2021 | 71 | 96 |
| 2022 | 79 | 71 |
| 2023 | 83 | 83 |
| 2024 | 58 | 63 |
| 2025 | 58 | 57 |
| 2026 | 45 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pointer mechanisms for communicating authentication and key management (AKM) and ciphers22 Sep 2026US 12,745,081 B2Apple Inc.
- Authentication in a communication network15 Sep 2026US 12,739,627 B2Telefonaktiebolaget LM Ericsson (publ)
- Communication method, apparatus, and system25 Aug 2026US 12,720,391 B2Huawei Technologies Co., Ltd.
- Providing customers visibility into security and compliance of services in a customer cloud infrastructure environment18 Aug 2026US 12,712,727 B2Oracle International Corporation
- Method and apparatus for UE and application function session protection for model transfer18 Aug 2026US 12,713,233 B2Nokia Technologies Oy
- Method and device for prior secure connection in wlan system1 Oct 2026US 2026/0304115 A1LG Electronics Inc.
- Temporary encryption key management method and apparatus for profile provisioning in wireless communication system1 Oct 2026US 2026/0304130 A1Samsung Electronics Co., Ltd.
- Supporting remote unit reauthentication24 Sep 2026US 2026/0292492 A1Lenovo (Singapore) Pte. Ltd.
- Uas authentication and security establishment24 Sep 2026US 2026/0292516 A1Lenovo (Singapore) Pte. Ltd.
- Security protection method and apparatus, communication device, and storage medium17 Sep 2026US 2026/0281715 A1Beijing Xiaomi Mobile Software Co., Ltd.
Most cited
By later US patents
- Method and system for secure peer-to-peer mobile communications257US 9,674,705 B22017
- Methods and apparatus for providing mobility of a node that does not support mobility219US 6,466,964 B1Cisco Technology, Inc. · 2002
- Client architecture for portable device with security policies188US 7,437,752 B2Credant Technologies, Inc. · 2008
- Transfer of security association during a mobile terminal handover183US 6,587,680 B1Nokia Corporation · 2003
- System and method for security association between communication devices within a wireless personal and local area network139US 7,660,419 B1Texas Instruments Incorporated · 2010