H04L 2209/42
Anonymization
Official title: Anonymization, e.g. involving pseudonyms
H04L2209/42 (Anonymization) appears on 1,115 US grants and 1,300 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,115
- Published applications
- 1,300
- Assignees
- 508
- Inventors
- 2,317
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 5 |
| 2002 | 4 | 12 |
| 2003 | 3 | 30 |
| 2004 | 1 | 24 |
| 2005 | 14 | 26 |
| 2006 | 9 | 20 |
| 2007 | 11 | 23 |
| 2008 | 16 | 40 |
| 2009 | 23 | 38 |
| 2010 | 23 | 41 |
| 2011 | 29 | 42 |
| 2012 | 32 | 35 |
| 2013 | 49 | 43 |
| 2014 | 54 | 29 |
| 2015 | 44 | 39 |
| 2016 | 40 | 30 |
| 2017 | 30 | 32 |
| 2018 | 24 | 43 |
| 2019 | 39 | 96 |
| 2020 | 75 | 136 |
| 2021 | 97 | 121 |
| 2022 | 126 | 126 |
| 2023 | 98 | 111 |
| 2024 | 112 | 78 |
| 2025 | 83 | 46 |
| 2026 | 47 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protocol obfuscation in moving target defense22 Sep 2026US 12,744,762 B2Comcast Cable Communications, LLC
- Method and system for handling dynamic cybersecurity posture of a V2X entity25 Aug 2026US 12,719,704 B2BlackBerry Limited
- Security graph construction algorithm based on private set intersection and secret sharing18 Aug 2026US 12,712,711 B2Beijing Zitiao Network Technology Co., Ltd.
- Laplace noise enabled encapsulation for smart bi-directional dual node hashchain based remodeled data clean room bundles4 Aug 2026US 12,700,999 B2Bank of America Corporation
- Selective audit process for privacy-preserving blockchain4 Aug 2026US 12,701,005 B2International Business Machines Corporation
- Aggregation and reporting of surgical hub data8 Oct 2026US 2026/0306129 A1
- Systems and methods for cross-domain authentication in edge-enabled vehicle-to-everything (v2x) services27 Aug 2026US 2026/0254619 A1Huawei Technologies Canada Co., Ltd.
- Methods, apparatus, and systems for user-centric and decentralized roaming27 Aug 2026US 2026/0255146 A1InterDigital Patent Holdings, Inc.
- Method and system for an in-network digital user to act on behalf of user preserving user privacy20 Aug 2026US 2026/0245081 A1Huawei Technologies Co., Ltd.
- Systems and methods to secure personally identifiable information13 Aug 2026US 2026/0236609 A1Thunes Financial Services LLC
Most cited
By later US patents
- Trusted agents for open electronic commerce1,044US 5,557,518 ACitibank, N. A. · 1996
- Apparatus and method for automated privacy protection in distributed images712US 9,396,354 B1Snapchat, Inc. · 2016
- Electronic ticket presentation and transfer method394US 5,621,797 ACitibank, N. A. · 1997
- Method for acquiring and revalidating an electronic credential391US 5,642,419 ACitibank, N. A. · 1997
- Method and system for establishing and maintaining user-controlled anonymous communications385US 5,884,272 AWalker Asset Management Limited Partnership · 1999