H04L 2209/46
Secure multiparty computation
Official title: Secure multiparty computation, e.g. millionaire problem
H04L2209/46 (Secure multiparty computation) appears on 998 US grants and 1,342 published applications in this corpus.
Search patents in H04L- Granted patents
- 998
- Published applications
- 1,342
- Assignees
- 461
- Inventors
- 1,983
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 4 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 9 |
| 2006 | 2 | 7 |
| 2007 | 2 | 7 |
| 2008 | 4 | 13 |
| 2009 | 4 | 16 |
| 2010 | 10 | 12 |
| 2011 | 10 | 22 |
| 2012 | 7 | 18 |
| 2013 | 24 | 14 |
| 2014 | 16 | 18 |
| 2015 | 12 | 21 |
| 2016 | 14 | 35 |
| 2017 | 22 | 36 |
| 2018 | 35 | 42 |
| 2019 | 39 | 83 |
| 2020 | 58 | 143 |
| 2021 | 99 | 175 |
| 2022 | 142 | 155 |
| 2023 | 130 | 178 |
| 2024 | 149 | 135 |
| 2025 | 120 | 97 |
| 2026 | 87 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blockchain-based anonymous trusted voting method, apparatus and related device6 Oct 2026US 12,755,028 B2Guizhou Power Grid Company Limited
- Method, apparatus, medium and device for generating data tuple for secure computation6 Oct 2026US 12,755,043 B2Beijing Zitiao Network Technology Co., Ltd.
- Secret noise generation system, secret noise generation method and program6 Oct 2026US 12,756,549 B2NTT, Inc.
- System and method of secured digital asset transfer in a computer network6 Oct 2026US 12,756,578 B2Zengo Ltd
- Use of biometrics and privacy preserving methods to authenticate account holders online8 Sep 2026US 12,732,372 B2Visa International Service Association
- Key ceremony in multi-party computation8 Oct 2026US 2026/0312824 A1Blockdaemon Inc.
- Transforming categorical features to numerical data1 Oct 2026US 2026/0303328 A1
- Privacy-preserving aggregation1 Oct 2026US 2026/0303330 A1Roseman Group B.V.
- A system for partially synchronous scalable blockchains1 Oct 2026US 2026/0303381 A1Visa International Service Association
- System and methods of Efficient Consensus Mechanism Utilizing Competitive Computational Races for Enhanced Network Security and Resource Optimization1 Oct 2026US 2026/0303382 A1Libermans Co.
Most cited
By later US patents
- Secure auction systems335US 6,055,518 AAT&T Corp. · 2000
- Traceable anonymous transactions205US 5,812,670 A1998
- Distributed key secret for rewritable blockchain181US 9,774,578 B1Accenture Global Solutions Limited · 2017
- Distributed split-key cryptosystem and applications154US 6,026,163 A2000
- Secure remote electronic voting system and cryptographic protocols and computer programs employed141US 7,260,552 B2SCYTL Online World Security, SA · 2007