H04L 9/0833
Involving conference or group key
Official title: {involving conference or group key (network architectures or network communication protocols for key management in group communication in a packet data network H04L63/065)}
H04L9/0833 (Involving conference or group key) appears on 1,545 US grants and 1,708 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,545
- Published applications
- 1,708
- Assignees
- 568
- Inventors
- 3,040
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 1 |
| 2002 | 1 | 23 |
| 2003 | 6 | 34 |
| 2004 | 10 | 39 |
| 2005 | 14 | 56 |
| 2006 | 26 | 62 |
| 2007 | 33 | 67 |
| 2008 | 45 | 75 |
| 2009 | 54 | 87 |
| 2010 | 54 | 75 |
| 2011 | 56 | 47 |
| 2012 | 67 | 45 |
| 2013 | 76 | 60 |
| 2014 | 83 | 50 |
| 2015 | 63 | 38 |
| 2016 | 37 | 59 |
| 2017 | 46 | 72 |
| 2018 | 59 | 71 |
| 2019 | 89 | 84 |
| 2020 | 91 | 108 |
| 2021 | 88 | 127 |
| 2022 | 110 | 138 |
| 2023 | 118 | 114 |
| 2024 | 111 | 76 |
| 2025 | 106 | 55 |
| 2026 | 36 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Query information processing method for fully homomorphic encrypted database using plaintext index and computing device for performing the same6 Oct 2026US 12,755,048 B2Supergate Co., Ltd.
- Method, apparatus, and system for training tree model6 Oct 2026US 12,756,541 B2Huawei Technologies Co., Ltd.
- Partitioning mechanism for parallel processing in delta generation29 Sep 2026US 12,748,731 B2Oracle International Corporation
- Computer implemented systems and methods for storing, retrieving and communication data via a peer-to-peer network29 Sep 2026US 12,750,239 B2nChain Licensing AG
- Securing group updates over hypertext transfer protocol29 Sep 2026US 12,750,352 B2Sentriqs, Inc.
- Media data transmission method, apparatus, and system24 Sep 2026US 2026/0288917 A1Huawei Technologies Co., Ltd.
- Access control system, registration apparatus, reference apparatus, access control method, and computer readable medium17 Sep 2026US 2026/0280855 A1Mitsubishi Electric Corporation
- Group key sharing10 Sep 2026US 2026/0270046 A1
- Multi-Computer System For User Authentication Based on Client-Side One-Time Passcode13 Aug 2026US 2026/0238494 A1Bank of America Corporation
- Information processing method and ue13 Aug 2026US 2026/0239008 A1Beijing Xiaomi Mobile Software Co., Ltd.
Most cited
By later US patents
- Method and apparatus for collaborative document control448US 5,787,175 ANovell, Inc. · 1998
- Multi-layer encryption system for the broadcast of encrypted information384US 4,531,020 AOak Industries Inc. · 1985
- Method and system for securing digital assets using process-driven security policies384US 7,703,140 B2Guardian Data Storage, LLC · 2010
- Method and apparatus for preventing piracy of digital content360US 6,289,455 B1Crypotography Research, Inc. · 2001
- Electronic data storage apparatus with key management function and electronic data storage method354US 6,915,434 B1Fujitsu Limited · 2005