H04L 2209/04
Masking or blinding
H04L2209/04 (Masking or blinding) appears on 1,048 US grants and 1,104 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,048
- Published applications
- 1,104
- Assignees
- 429
- Inventors
- 1,706
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 8 |
| 2002 | 4 | 15 |
| 2003 | 2 | 19 |
| 2004 | 18 | 22 |
| 2005 | 10 | 30 |
| 2006 | 20 | 27 |
| 2007 | 22 | 40 |
| 2008 | 20 | 38 |
| 2009 | 19 | 28 |
| 2010 | 39 | 44 |
| 2011 | 37 | 62 |
| 2012 | 42 | 32 |
| 2013 | 60 | 38 |
| 2014 | 57 | 43 |
| 2015 | 37 | 54 |
| 2016 | 39 | 44 |
| 2017 | 44 | 64 |
| 2018 | 44 | 70 |
| 2019 | 65 | 75 |
| 2020 | 68 | 83 |
| 2021 | 65 | 73 |
| 2022 | 85 | 53 |
| 2023 | 53 | 40 |
| 2024 | 38 | 38 |
| 2025 | 54 | 44 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Encrypted handshake for trust validation between two applications29 Sep 2026US 12,750,233 B2Sap SE
- Method and system for outsoursing decision-tree inference and obfuscating decision-tree attributes1 Sep 2026US 12,726,334 B1Pantherun Technologies Private Limited
- Instruction to accelerate cryptographic processing2 Jun 2026US 12,647,251 B2International Business Machines Corporation
- Data-gating based masking19 May 2026US 12,632,610 B2Rambus Inc.
- Method and system for protecting cryptographic operations against side-channel attacks19 May 2026US 12,634,110 B2Secure-Ic SAS
- Method of generating an output binary word from an input binary word, method of performing an arithmetic operation on an input binary word associated to an output binary word, corresponding computer program product and devices27 Aug 2026US 2026/0252309 A1Nagravision Sarl
- Hardware-based method for enhancing resistance against side-channel attacks in a cryposystem20 Aug 2026US 2026/0244746 A1PQSecure Technologies, LLC
- Post-quantum multitenant key derivation20 Aug 2026US 2026/0246617 A1Intuit Inc.
- Device and a method for performing a cryptographic algorithm13 Aug 2026US 2026/0236565 A1
- Digital signatures6 Aug 2026US 2026/0230330 A1nChain Licensing AG
Most cited
By later US patents
- Steganographic method and device844US 5,613,004 ADice Corporation · 1997
- Steganographic method and device605US 5,687,236 ADice Corporation · 1997
- Pseudorandom number generation and cryptographic authentication456US 5,363,448 AUnited Technologies Automotive, Inc. · 1994
- Event auditing system381US 5,978,475 ACounterpane Internet Security, Inc. · 1999
- Cryptographic co-processor323US 6,704,871 B1SafeNet, Inc. · 2004