H04L 63/065
For group communications
Official title: {for group communications (cryptographic mechanisms or cryptographic arrangements for key management involving conference or group key H04L9/0833)}
H04L63/065 (For group communications) appears on 1,078 US grants and 1,206 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,078
- Published applications
- 1,206
- Assignees
- 426
- Inventors
- 2,208
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 6 | 0 |
| 2001 | 14 | 3 |
| 2002 | 5 | 18 |
| 2003 | 3 | 27 |
| 2004 | 11 | 26 |
| 2005 | 8 | 49 |
| 2006 | 17 | 56 |
| 2007 | 27 | 57 |
| 2008 | 22 | 37 |
| 2009 | 36 | 38 |
| 2010 | 37 | 57 |
| 2011 | 44 | 27 |
| 2012 | 36 | 27 |
| 2013 | 54 | 57 |
| 2014 | 56 | 56 |
| 2015 | 55 | 65 |
| 2016 | 56 | 94 |
| 2017 | 67 | 80 |
| 2018 | 84 | 68 |
| 2019 | 73 | 64 |
| 2020 | 84 | 53 |
| 2021 | 53 | 66 |
| 2022 | 53 | 54 |
| 2023 | 67 | 55 |
| 2024 | 45 | 30 |
| 2025 | 34 | 21 |
| 2026 | 23 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus, system and method for secure direct communication in proximity based services6 Oct 2026US 12,756,988 B2NEC Corporation
- Securing group updates over hypertext transfer protocol29 Sep 2026US 12,750,352 B2Sentriqs, Inc.
- Private data sharing system15 Sep 2026US 12,739,100 B2
- Method and device for distributing a multicast encryption key18 Aug 2026US 12,712,712 B2Koninklijke Philips N. V.
- Management server, management method, and storage medium11 Aug 2026US 12,706,907 B2Toyota Jidosha Kabushiki Kaisha
- Network security systems and methods8 Oct 2026US 2026/0312999 A1Intertrust Technologies Corporation
- Systems and methods for encrypted gossip communication27 Aug 2026US 2026/0254802 A1
- Methods, devices, and computer programs for managing a group temporal key for privacy beacon27 Aug 2026US 2026/0254803 A1Canon Kabushiki Kaisha
- Sidelink positioning security13 Aug 2026US 2026/0239279 A1Nokia Technologies Oy
- Method and apparatus for secure management of data30 Jul 2026US 2026/0222177 A1
Most cited
By later US patents
- System and method for secure group communications via multicast or broadcast267US 5,748,736 A1998
- Method and apparatus for establishing and using a secure credential infrastructure217US 7,275,156 B2Xerox Corporation · 2007
- Distributed group key management scheme for secure many-to-many communication204US 6,240,188 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Method and apparatus for an adapter card providing conditional access in a communication system201US 5,652,795 AHughes Electronics Corporation · 1997
- Method and apparatus for providing anonymous data transfer in a communication system186US 5,729,537 ATelefonaktiebolaget'l M Ericsson (Publ) · 1998