H04L 2209/50
Oblivious transfer
H04L2209/50 (Oblivious transfer) appears on 138 US grants and 167 published applications in this corpus.
Search patents in H04L- Granted patents
- 138
- Published applications
- 167
- Assignees
- 81
- Inventors
- 291
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 6 |
| 2010 | 1 | 4 |
| 2011 | 4 | 10 |
| 2012 | 1 | 4 |
| 2013 | 10 | 8 |
| 2014 | 5 | 8 |
| 2015 | 13 | 5 |
| 2016 | 2 | 10 |
| 2017 | 7 | 8 |
| 2018 | 2 | 10 |
| 2019 | 11 | 11 |
| 2020 | 7 | 15 |
| 2021 | 14 | 15 |
| 2022 | 14 | 8 |
| 2023 | 14 | 8 |
| 2024 | 10 | 12 |
| 2025 | 8 | 9 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method, apparatus, medium and device for generating data tuple for secure computation6 Oct 2026US 12,755,043 B2Beijing Zitiao Network Technology Co., Ltd.
- Methods for protecting privacy6 Oct 2026US 12,756,543 B2Google Inc.
- Random noise generation for multiparty computation25 Aug 2026US 12,719,837 B2Beijing Zitiao Network Technology Co., Ltd.
- Statistically private oblivious transfer from CDH25 Aug 2026US 12,719,838 B2Visa International Service Association
- One time pad key exchange4 Aug 2026US 12,701,108 B2Charter Communications Operating, LLC
- Multi-party computation method and system for distributed processors with asymmetric network resources24 Sep 2026US 2026/0291723 A1NTT Research, Inc.
- Efficient multiple garbled circuit protocol2 Jul 2026US 2026/0187288 A1Google Inc.
- Anonymous and unlinkable authentication with membership test via private set intersection cardinality7 May 2026US 2026/0128860 A1NEC Laboratories Europe GmbH
- Electronic apparatus and control method thereof16 Apr 2026US 2026/0106726 A1Crypto Lab Inc.
- Secure multi-party equality testing16 Apr 2026US 2026/0106742 A1
Most cited
By later US patents
- Server-assisted regeneration of a strong secret from a weak secret264US 7,359,507 B2RSA Security Inc. · 2008
- Secure reset of personal and service provider information on mobile devices189US 8,429,409 B1Google Inc. · 2013
- System and method for increasing the security of encrypted secrets and authentication114US 7,716,484 B1RSA Security Inc. · 2010
- Privacy preserving negotiation and computation105US 6,834,272 B1Yeda Research and Development Co. Ltd. · 2004
- Multiprover interactive verification system90US 4,926,479 AMassachusetts Institute of Technology · 1990