H04L 9/0844
With user authentication or key authentication
Official title: {with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys}
H04L9/0844 (With user authentication or key authentication) appears on 1,248 US grants and 1,383 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,248
- Published applications
- 1,383
- Assignees
- 515
- Inventors
- 2,450
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 5 |
| 2002 | 2 | 15 |
| 2003 | 3 | 36 |
| 2004 | 6 | 18 |
| 2005 | 6 | 48 |
| 2006 | 27 | 59 |
| 2007 | 16 | 76 |
| 2008 | 22 | 58 |
| 2009 | 33 | 71 |
| 2010 | 39 | 76 |
| 2011 | 58 | 71 |
| 2012 | 74 | 57 |
| 2013 | 76 | 38 |
| 2014 | 89 | 50 |
| 2015 | 73 | 38 |
| 2016 | 51 | 57 |
| 2017 | 61 | 72 |
| 2018 | 48 | 71 |
| 2019 | 57 | 77 |
| 2020 | 76 | 71 |
| 2021 | 79 | 70 |
| 2022 | 68 | 66 |
| 2023 | 74 | 55 |
| 2024 | 68 | 64 |
| 2025 | 45 | 34 |
| 2026 | 23 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Subscription concealed identifier (SUCI) supporting post-quantum cryptography25 Aug 2026US 12,719,677 B2Adeia Emerging Technologies Inc.
- Electronic device for data isolation and method of operating the same18 Aug 2026US 12,712,725 B2Samsung Electronics Co., Ltd.
- Systems and methods for post-quantum cryptography optimization11 Aug 2026US 12,706,753 B2Wells Fargo Bank, N. A.
- Key reuse in a cloud environment28 Jul 2026US 12,695,603 B2Oracle International Corporation
- Certificate-based pairing of key fob device and control unit14 Jul 2026US 12,683,765 B2Texas Instruments Incorporated
- Key reuse in a cloud environment24 Sep 2026US 2026/0291717 A1Oracle International Corporation
- Verification of Data of an Authentication and Key-Agreement Protocol Process10 Sep 2026US 2026/0270088 A1Siemens Aktiengesellschaft
- Executing Cryptographic Operations In A Secure Element Platform Runtime Environment27 Aug 2026US 2026/0252682 A1Oracle International Corporation
- Remote service provisioning method, embedded universal integrated circuit card and remote service provisioning platform6 Aug 2026US 2026/0230827 A1Goquantum SPA
- Key Entity, Sharer Device and Method for Restricting the Entitlements of a Shared Digital Key30 Jul 2026US 2026/0217221 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Cryptographic apparatus and method1,047US 4,200,770 AStanford University · 1980
- Methods and entities using IPSec ESP to support security functionality for UDP-based traffic1,019US 8,639,936 B2Alcatel Lucent · 2014
- Method and apparatus for key-management scheme for use with internet protocols at site firewalls540US 5,416,842 ASun Microsystems, Inc. · 1995
- Method and apparatus for privacy and authentication in wireless networks463US 5,371,794 ASun Microsystems, Inc. · 1994
- Token distribution, registration, and dynamic configuration of user entitlement for an application level security system and method461US 5,784,463 AV-One Corporation · 1998