H04L 9/3297
Involving time stamps
Official title: {involving time stamps, e.g. generation of time stamps}
H04L9/3297 (Involving time stamps) appears on 3,018 US grants and 3,626 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,018
- Published applications
- 3,626
- Assignees
- 1,224
- Inventors
- 5,774
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 15 |
| 2002 | 9 | 27 |
| 2003 | 7 | 29 |
| 2004 | 8 | 33 |
| 2005 | 21 | 41 |
| 2006 | 30 | 61 |
| 2007 | 29 | 45 |
| 2008 | 18 | 43 |
| 2009 | 28 | 32 |
| 2010 | 28 | 50 |
| 2011 | 33 | 34 |
| 2012 | 47 | 56 |
| 2013 | 48 | 55 |
| 2014 | 55 | 61 |
| 2015 | 54 | 48 |
| 2016 | 55 | 64 |
| 2017 | 63 | 97 |
| 2018 | 75 | 192 |
| 2019 | 168 | 348 |
| 2020 | 250 | 507 |
| 2021 | 355 | 444 |
| 2022 | 392 | 327 |
| 2023 | 384 | 361 |
| 2024 | 368 | 285 |
| 2025 | 271 | 226 |
| 2026 | 156 | 145 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for region-specific sub-tokenization in cryptographic transaction processing6 Oct 2026US 12,754,690 B2Vannadium, Inc.
- Platform for management of user data utilizing a data platform6 Oct 2026US 12,755,302 B2Datavault AI Inc.
- Timestamp generation method and apparatus, and electronic device and storage medium6 Oct 2026US 12,756,550 B2Electric Power Research Institute, China Southern Powerr Grid
- Computer-implemented systems and methods for linking a blockchain to a digital twin6 Oct 2026US 12,756,569 B2nChain Licensing AG
- Computer implemented method and system for the provision of access to a plurality of functions and applications associated with a blockchain6 Oct 2026US 12,756,582 B2nChain Licensing AG
- Data migration using an orchestrator generated data migration transcript with trustee as a service8 Oct 2026US 2026/0312791 A1Dell Products L. P.
- Blockchain synchronisation protocol1 Oct 2026US 2026/0303379 A1nChain Licensing AG
- Method and system for controlling interconnected devices operating in an untrusted environment24 Sep 2026US 2026/0291713 A1Sicpa Holding SA
- Cloud blockchain system and its control method24 Sep 2026US 2026/0291720 A1
- Security for AI/ML Model Storage and Sharing24 Sep 2026US 2026/0291738 A1
Most cited
By later US patents
- Client/server protocol for proving authenticity655US 6,085,320 ARSA Security Inc. · 2000
- Method and apparatus for purchasing and delivering digital goods over a network652US 5,809,144 ACarnegie Mellon University · 1998
- Blockchain identity management system based on public identities ledger555US 9,635,000 B12017
- System and method for near-field human-body coupling for encrypted communication with identification cards553US 5,796,827 AInternational Business Machines Corporation · 1998
- System for controlling the distribution and use of digital works using digital tickets544US 6,236,971 B1ContentGuard Holdings, Inc. · 2001