H04L 9/3006
Underlying computational problems or public-key parameters
Official title: {underlying computational problems or public-key parameters}
H04L9/3006 (Underlying computational problems or public-key parameters) appears on 1,306 US grants and 1,378 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,306
- Published applications
- 1,378
- Assignees
- 571
- Inventors
- 2,264
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 6 |
| 2002 | 21 | 36 |
| 2003 | 12 | 20 |
| 2004 | 14 | 43 |
| 2005 | 16 | 46 |
| 2006 | 28 | 32 |
| 2007 | 36 | 45 |
| 2008 | 33 | 49 |
| 2009 | 22 | 55 |
| 2010 | 44 | 57 |
| 2011 | 47 | 40 |
| 2012 | 48 | 36 |
| 2013 | 56 | 44 |
| 2014 | 43 | 34 |
| 2015 | 44 | 49 |
| 2016 | 42 | 60 |
| 2017 | 42 | 78 |
| 2018 | 48 | 67 |
| 2019 | 74 | 84 |
| 2020 | 79 | 83 |
| 2021 | 89 | 87 |
| 2022 | 89 | 99 |
| 2023 | 82 | 65 |
| 2024 | 65 | 70 |
| 2025 | 55 | 53 |
| 2026 | 50 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Computer implemented systems and methods for storing, retrieving and communication data via a peer-to-peer network29 Sep 2026US 12,750,239 B2nChain Licensing AG
- Secure inverse computation system, secure normalization system, methods therefor, secure computation apparatus, and program22 Sep 2026US 12,744,666 B2NTT, Inc.
- Verifiable key exchange for cryptography15 Sep 2026US 12,739,099 B2Oracle International Corporation
- Lightweight authentication protocol using device tokens15 Sep 2026US 12,739,244 B2Amazon Technologies, Inc.
- Evaluating convolutions using encrypted data8 Sep 2026US 12,732,340 B2Western Digital Technologies, Inc.
- Efficient and secure access authentication system for user equipment and massive machine-type communication device8 Oct 2026US 2026/0312806 A1Kwangwoon University Industry-Academic Collaboration Foundation
- Generation of prime numbers subject to an auxiliary condition in cryptographic applications8 Oct 2026US 2026/0312807 A1Cryptography Research, Inc.
- Random generator of orthogonal matrices in finite fields17 Sep 2026US 2026/0280874 A1New York University in Abu Dhabi Corporation
- Block chain method for improved data confidentiality10 Sep 2026US 2026/0268394 A1Imam Abdulrahman Bin Faisal University
- Method for homomorphically determining the sign of a message by dilation, associated methods and devices27 Aug 2026US 2026/0254610 A1
Most cited
By later US patents
- Method and apparatus for the secure distributed storage and retrieval of information1,561US 5,991,414 AInternational Business Machines Corporation · 1999
- Method and apparatus for the secure distributed storage and retrieval of information1,551US 6,192,472 B1International Business Machines Corporation · 2001
- Cryptographic communications system and method1,449US 4,405,829 AMassachusetts Institute of Technology · 1983
- System and method for secure three-party communications1,364US 8,316,237 B12012
- System and method for secure three-party communications882US 7,181,017 B12007