H04L 9/3252
Using dsa or related signature schemes
Official title: {using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes}
H04L9/3252 (Using dsa or related signature schemes) appears on 525 US grants and 624 published applications in this corpus.
Search patents in H04L- Granted patents
- 525
- Published applications
- 624
- Assignees
- 263
- Inventors
- 968
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 4 |
| 2003 | 2 | 8 |
| 2004 | 3 | 4 |
| 2005 | 3 | 4 |
| 2006 | 5 | 18 |
| 2007 | 7 | 11 |
| 2008 | 7 | 13 |
| 2009 | 10 | 13 |
| 2010 | 10 | 10 |
| 2011 | 11 | 19 |
| 2012 | 14 | 20 |
| 2013 | 16 | 21 |
| 2014 | 25 | 26 |
| 2015 | 21 | 14 |
| 2016 | 15 | 14 |
| 2017 | 15 | 21 |
| 2018 | 17 | 30 |
| 2019 | 30 | 30 |
| 2020 | 33 | 66 |
| 2021 | 37 | 52 |
| 2022 | 53 | 53 |
| 2023 | 39 | 65 |
| 2024 | 51 | 34 |
| 2025 | 57 | 45 |
| 2026 | 28 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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
- Implementing logic gate functionality using a blockchain8 Sep 2026US 12,732,378 B2nChain Licensing AG
- Enforcing conditions on blockchain transactions8 Sep 2026US 12,732,383 B2nChain Licensing AG
- Generating shared private keys18 Aug 2026US 12,712,713 B2nChain Licensing AG
- Method for generating a code, method for verifying a code, document comprising the code, and use of the code8 Oct 2026US 2026/0312816 A1Kurz Digital Solutions GmbH & Co. KG
- System and method for flow measurement data transfer and verification10 Sep 2026US 2026/0270089 A1Deep Fork Automation LLC
- Mutually Authenticated ECDHE Key Exchange for a Device and a Network Using Multiple PKI Key Pairs10 Sep 2026US 2026/0270090 A1IoT and M2M Technologies, LLC
- Non-native blockchain signatures3 Sep 2026US 2026/0261432 A1nChain Licensing AG
- Hardware-Attested Influence-Weighted Oracle Resolution System with TEE-Sealed Provenance Tokens27 Aug 2026US 2026/0254654 A1
Most cited
By later US patents
- Systems and methods for storing digital math-based assets using a secure portal213US 10,068,228 B1Winklevoss IP, LLC · 2018
- Efficient electronic money196US 5,511,121 ABell Communications Research, Inc. · 1996
- Identity management service using a blockchain providing certifying transactions between devices166US 9,722,790 B2ShoCard, Inc. · 2017
- Device for authenticating user's access rights to resources and method130US 6,073,234 AFuji Xerox Co., Ltd. · 2000
- Secure cryptographic methods for electronic transfer of information116US 5,696,827 A1997