H04L 9/0656
Pseudorandom key sequence combined element-for-element with data sequence
Official title: {Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher}
H04L9/0656 (Pseudorandom key sequence combined element-for-element with data sequence) appears on 1,879 US grants and 1,882 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,879
- Published applications
- 1,882
- Assignees
- 884
- Inventors
- 3,369
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 16 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 4 | 0 |
| 1993 | 15 | 0 |
| 1994 | 11 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 17 | 0 |
| 1998 | 30 | 0 |
| 1999 | 15 | 0 |
| 2000 | 31 | 0 |
| 2001 | 17 | 9 |
| 2002 | 19 | 43 |
| 2003 | 10 | 46 |
| 2004 | 20 | 41 |
| 2005 | 19 | 44 |
| 2006 | 38 | 47 |
| 2007 | 31 | 60 |
| 2008 | 32 | 58 |
| 2009 | 30 | 55 |
| 2010 | 47 | 62 |
| 2011 | 49 | 39 |
| 2012 | 53 | 41 |
| 2013 | 64 | 45 |
| 2014 | 57 | 62 |
| 2015 | 45 | 66 |
| 2016 | 53 | 49 |
| 2017 | 56 | 81 |
| 2018 | 55 | 95 |
| 2019 | 99 | 139 |
| 2020 | 115 | 161 |
| 2021 | 150 | 144 |
| 2022 | 154 | 136 |
| 2023 | 138 | 131 |
| 2024 | 125 | 99 |
| 2025 | 116 | 78 |
| 2026 | 44 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for securely transferring data elements values29 Sep 2026US 12,750,213 B2Thales Dis France SAS
- Protocols with noisy response-based cryptographic subkeys15 Sep 2026US 12,739,115 B2Arizona Board of Regents On Behalf of Northern Arizona University
- DC balanced transition encoding8 Sep 2026US 12,732,402 B2Samsung Display Co., Ltd.
- Server side authentication25 Aug 2026US 12,719,659 B2Capital One Services, LLC
- Methods and systems for creating uniquely identifiable software installations18 Aug 2026US 12,710,946 B2Siemens Aktiengesellschaft
- Methods and systems for generating, subscribing to and processing action plans using a blockchain8 Oct 2026US 2026/0312803 A1
- Random Number Generation Based on Geodetic Datum27 Aug 2026US 2026/0254613 A1
- Techniques for improved proof of review validation through embedded, dependent validation checks27 Aug 2026US 2026/0254614 A1Optum Services (Ireland) Limited
- Method of operating a blockchain wallet27 Aug 2026US 2026/0254617 A1Quantum Emotion Corp.
- Encryption device configured to perform random shuffling on input data20 Aug 2026US 2026/0246605 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- System for generation of user profiles for a system for customized electronic identification of desirable objects2,365US 5,754,939 A1998
- System and method for scheduling broadcast of and access to video programs and other data using customer profiles1,609US 5,758,257 A1998
- System for generation of object profiles for a system for customized electronic identification of desirable objects1,475US 5,835,087 A1998
- Pseudonymous server for system for customized electronic identification of desirable objects1,258US 5,754,938 A1998
- System and method for scheduling broadcast of and access to video programs and other data using customer profiles953US 6,088,722 A2000