H04L 9/16
The keys or algorithms being changed during operation
Official title: the keys or algorithms being changed during operation
H04L9/16 (The keys or algorithms being changed during operation) appears on 655 US grants and 717 published applications in this corpus.
Search patents in H04L- Granted patents
- 655
- Published applications
- 717
- Assignees
- 368
- Inventors
- 1,328
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 10 |
| 2003 | 4 | 6 |
| 2004 | 1 | 9 |
| 2005 | 0 | 6 |
| 2006 | 7 | 10 |
| 2007 | 4 | 11 |
| 2008 | 6 | 20 |
| 2009 | 3 | 8 |
| 2010 | 12 | 13 |
| 2011 | 9 | 15 |
| 2012 | 10 | 22 |
| 2013 | 17 | 18 |
| 2014 | 23 | 17 |
| 2015 | 24 | 29 |
| 2016 | 30 | 28 |
| 2017 | 32 | 41 |
| 2018 | 35 | 48 |
| 2019 | 45 | 73 |
| 2020 | 57 | 54 |
| 2021 | 55 | 55 |
| 2022 | 63 | 56 |
| 2023 | 62 | 45 |
| 2024 | 48 | 55 |
| 2025 | 50 | 25 |
| 2026 | 26 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic key rolling for link encryption25 Aug 2026US 12,719,668 B2Advanced Micro Devices, Inc.
- Advanced Encryption Standard with frequent S-box update and fusion function application11 Aug 2026US 12,706,732 B2Pantherun Technologies Private Limited
- User device for acquiring verifiable claims, system including said user device, and method for acquiring verifiable claims11 Aug 2026US 12,706,757 B2Nomura Research Institute, Ltd.
- Secure data translation using a low-energy wireless communication link4 Aug 2026US 12,701,407 B2Wonderhealth, LLC
- Information processing apparatus, information processing method, and recording medium28 Jul 2026US 12,695,600 B2Sony Semiconductor Solutions Corporation
- Encryption system, encryption method, and computer readable medium24 Sep 2026US 2026/0291733 A1Mitsubishi Electric Corporation
- Terminal, network node apparatus, and communication method27 Aug 2026US 2026/0254637 A1Ntt Docomo, Inc.
- Information updating device and method, and authentication device20 Aug 2026US 2026/0246631 A1NEC Corporation
- Systems and methods to secure personally identifiable information13 Aug 2026US 2026/0236609 A1Thunes Financial Services LLC
- In-vehicle device, information processing method, and in-vehicle system6 Aug 2026US 2026/0228353 A1Autonetworks Technologies, Ltd.
Most cited
By later US patents
- Systems and methods for enforcing centralized privacy controls in de-centralized systems303US 10,572,684 B2Anonos Inc. · 2020
- Data processing apparatus with software protecting functions213US 5,915,025 AFuji Xerox Co., Ltd. · 1999
- Cellular verification and validation system208US 5,237,612 AEricsson GE Mobile Communications Inc. · 1993
- Rolling key resynchronization in cellular verification and validation system192US 5,241,598 AEricsson GE Mobile Communications Inc. · 1993
- Data encrypting and decrypting apparatus and method188US 6,490,353 B12002