H04L 9/083
Involving central third party
Official title: {involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]}
H04L9/083 (Involving central third party) appears on 3,604 US grants and 3,883 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,604
- Published applications
- 3,883
- Assignees
- 1,202
- Inventors
- 6,693
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 17 | 0 |
| 2000 | 24 | 0 |
| 2001 | 24 | 14 |
| 2002 | 11 | 66 |
| 2003 | 16 | 78 |
| 2004 | 24 | 82 |
| 2005 | 31 | 123 |
| 2006 | 62 | 125 |
| 2007 | 72 | 154 |
| 2008 | 79 | 170 |
| 2009 | 91 | 186 |
| 2010 | 118 | 162 |
| 2011 | 118 | 121 |
| 2012 | 153 | 130 |
| 2013 | 166 | 139 |
| 2014 | 201 | 116 |
| 2015 | 149 | 101 |
| 2016 | 131 | 141 |
| 2017 | 146 | 176 |
| 2018 | 142 | 180 |
| 2019 | 203 | 228 |
| 2020 | 237 | 278 |
| 2021 | 248 | 294 |
| 2022 | 268 | 273 |
| 2023 | 261 | 215 |
| 2024 | 230 | 147 |
| 2025 | 203 | 107 |
| 2026 | 74 | 77 |
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
- Cybertwin-based method for constructing two-layer federated learning framework for internet of vehicles29 Sep 2026US 12,750,211 B2Guangdong University of Technology
- 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
- Data transfer protocol1 Oct 2026US 2026/0303327 A1Lenovo (United States) Inc.
- Communication system, information processing device, communication method, and computer-readable medium1 Oct 2026US 2026/0303333 A1NEC Corporation
- Cloud-based data protection using application programming interface access and selective data restore1 Oct 2026US 2026/0303689 A1Commvault Systems, 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
Most cited
By later US patents
- Personal key archive510US 5,495,533 AInternational Business Machines Corporation · 1996
- Method and system for dynamic server document encryption508US 6,061,448 ATumbleweed Communications Corp. · 2000
- Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography480US 5,535,276 ABell Atlantic Network Services, Inc. · 1996
- Token distribution, registration, and dynamic configuration of user entitlement for an application level security system and method461US 5,784,463 AV-One Corporation · 1998
- Method and apparatus for collaborative document control448US 5,787,175 ANovell, Inc. · 1998