H04L 9/3255
Using group based signatures
Official title: {using group based signatures, e.g. ring or threshold signatures}
H04L9/3255 (Using group based signatures) appears on 624 US grants and 794 published applications in this corpus.
Search patents in H04L- Granted patents
- 624
- Published applications
- 794
- Assignees
- 326
- Inventors
- 1,372
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 1 | 6 |
| 2003 | 1 | 5 |
| 2004 | 1 | 8 |
| 2005 | 3 | 9 |
| 2006 | 4 | 5 |
| 2007 | 2 | 7 |
| 2008 | 5 | 13 |
| 2009 | 8 | 18 |
| 2010 | 9 | 11 |
| 2011 | 8 | 10 |
| 2012 | 13 | 12 |
| 2013 | 17 | 12 |
| 2014 | 14 | 7 |
| 2015 | 9 | 8 |
| 2016 | 6 | 5 |
| 2017 | 6 | 12 |
| 2018 | 10 | 22 |
| 2019 | 12 | 37 |
| 2020 | 35 | 111 |
| 2021 | 69 | 79 |
| 2022 | 79 | 98 |
| 2023 | 83 | 89 |
| 2024 | 93 | 96 |
| 2025 | 76 | 53 |
| 2026 | 48 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data authentication in distributed networks22 Sep 2026US 12,744,769 B2Dfinity Stiftung
- Asynchronous blockchain consensus method and system with decoupled data broadcast and consensus, electronic device and storage medium15 Sep 2026US 12,739,145 B2Institute of Software, Chinese Academy of Sciences
- Generating shared cryptographic keys8 Sep 2026US 12,732,354 B2nChain Licensing AG
- Systems and methods for securely adding and removing users from a signing group for key-based transactions in multi-party computation systems8 Sep 2026US 12,732,384 B2MPC Holding, Inc.
- Generating shared private keys18 Aug 2026US 12,712,713 B2nChain Licensing AG
- Optimal stateless deterministic threshold schnorr signatures from bi-homomorphic pseudo-random functions1 Oct 2026US 2026/0303366 A1Circle Internet Group, Inc.
- A system for partially synchronous scalable blockchains1 Oct 2026US 2026/0303381 A1Visa International Service Association
- Time and geographical diversity-based symmetric cryptography for protecting information10 Sep 2026US 2026/0270077 A1QUALCOMM Incorporated
- Systems and methods for enforcing cryptographically secure actions in public, non-permissioned blockchains using bifurcated self-executing programs comprising shared digital signature requirements10 Sep 2026US 2026/0270085 A1Citibank, N. A.
- Generating digital signature shares10 Sep 2026US 2026/0270091 A1nChain Licensing AG
Most cited
By later US patents
- Multi-step digital signature method and system336US 5,825,880 A1998
- Adaptive multi-step digital signature system and method of operation thereof215US 5,867,578 ACertCo LLC · 1999
- Multi-step digital signature method and system164US 6,209,091 B1CertCo LLC · 2001
- Method for certifying public keys in a digital signature scheme141US 5,604,804 A1997
- Digital signature method and information communication system and apparatus using such method116US 6,298,153 B1Canon Kabushiki Kaisha · 2001