H04L 9/3263
Involving certificates
Official title: {involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements (network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/0823)}
H04L9/3263 (Involving certificates) appears on 7,886 US grants and 9,293 published applications in this corpus.
Search patents in H04L- Granted patents
- 7,886
- Published applications
- 9,293
- Assignees
- 2,147
- Inventors
- 13,714
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 19 | 0 |
| 1998 | 33 | 0 |
| 1999 | 32 | 0 |
| 2000 | 34 | 0 |
| 2001 | 44 | 20 |
| 2002 | 25 | 124 |
| 2003 | 19 | 98 |
| 2004 | 28 | 112 |
| 2005 | 57 | 217 |
| 2006 | 98 | 208 |
| 2007 | 92 | 220 |
| 2008 | 103 | 252 |
| 2009 | 114 | 211 |
| 2010 | 177 | 249 |
| 2011 | 177 | 205 |
| 2012 | 220 | 190 |
| 2013 | 260 | 266 |
| 2014 | 297 | 257 |
| 2015 | 304 | 306 |
| 2016 | 326 | 344 |
| 2017 | 348 | 480 |
| 2018 | 387 | 562 |
| 2019 | 472 | 616 |
| 2020 | 572 | 709 |
| 2021 | 619 | 741 |
| 2022 | 680 | 687 |
| 2023 | 647 | 629 |
| 2024 | 676 | 632 |
| 2025 | 628 | 528 |
| 2026 | 371 | 430 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods to ensure trust validation and integrity of workflow execution6 Oct 2026US 12,755,019 B2Dell Products L. P.
- Provisioning a device to be an authentication device6 Oct 2026US 12,756,702 B1Amazon Technologies, Inc.
- Automotive security configuration management29 Sep 2026US 12,748,583 B2Fortinet, Inc.
- Systems and methods for extending cryptographic certificates with target-binding information29 Sep 2026US 12,750,210 B2Assa Abloy AB
- Establishment of trust between connected network devices29 Sep 2026US 12,750,218 B1Amazon Technologies, Inc.
- Communication method, communication system, server, and connected device8 Oct 2026US 2026/0312793 A1Panasonic Intellectual Property Management Co., Ltd.
- Cross-cluster authentication using an ephemeral token8 Oct 2026US 2026/0312825 A1Dell Products L. P.
- Digital certificate-based authentication of configuration changes in industrial devices8 Oct 2026US 2026/0312826 A1Schneider Electric Systems USA, Inc.
- Attribute Certificate Having Additional Cryptographic Information Relating to a Digital Certificate8 Oct 2026US 2026/0312827 A1Siemens Aktiengesellschaft
- Methods and Systems for Processing Data8 Oct 2026US 2026/0312828 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- System for controlling the distribution and use of digital works1,495US 5,629,980 AXerox Corporation · 1997
- Electronic funds transfer instruments1,431US 5,677,955 ABell Communications Research, Inc. · 1997
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Method and system for securing online identities1,216US 8,646,103 B22014
- Systems and methods for secure transaction management and electronic rights protection1,156US 5,910,987 AIntertrust Technologies Corporation · 1999