H04H 60/23
Using cryptography
Official title: using cryptography, e.g. encryption, authentication, key distribution
H04H60/23 (Using cryptography) appears on 538 US grants and 432 published applications in this corpus.
Search patents in H04H- Granted patents
- 538
- Published applications
- 432
- Assignees
- 221
- Inventors
- 833
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 9 |
| 2002 | 12 | 21 |
| 2003 | 14 | 21 |
| 2004 | 10 | 25 |
| 2005 | 10 | 28 |
| 2006 | 19 | 37 |
| 2007 | 13 | 59 |
| 2008 | 12 | 21 |
| 2009 | 23 | 24 |
| 2010 | 48 | 39 |
| 2011 | 50 | 17 |
| 2012 | 34 | 15 |
| 2013 | 51 | 17 |
| 2014 | 36 | 17 |
| 2015 | 29 | 12 |
| 2016 | 9 | 11 |
| 2017 | 9 | 12 |
| 2018 | 13 | 10 |
| 2019 | 7 | 9 |
| 2020 | 10 | 4 |
| 2021 | 8 | 6 |
| 2022 | 4 | 4 |
| 2023 | 7 | 4 |
| 2024 | 2 | 4 |
| 2025 | 2 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadcast receiving apparatus and portable information terminal2 Jun 2026US 12,647,652 B2Maxell, Ltd.
- Content driven integrated broadcast system with one or more selectable automated broadcast personality and method for its use7 Apr 2026US 12,598,014 B2Futuri Media, LLC
- Broadcast encryption with improved resource utilization12 Aug 2025US 12,388,801 B2NTT Research, Inc.
- Broadcast receiving apparatus25 Feb 2025US 12,238,377 B2Maxell, Ltd.
- Methods for seamless session transfer without re-keying3 Sep 2024US 12,081,626 B2Cisco Technology, Inc.
- Broadcast receiving apparatus and portable information terminal8 Oct 2026US 2026/0313200 A1Maxell, Ltd.
- Apparatuses and methods for receiving or providing a digital radio signal, and digital radio signals12 Mar 2026US 2026/0074814 A1Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Data processing method and apparatus, electronic device, storage medium and computer program product9 Oct 2025US 2025/0317729 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Transmitter for a satellite communication system18 Sep 2025US 2025/0293766 A1St Engineering Idirect (Europe) Cy NV
- Transmitter system for satellite communication18 Sep 2025US 2025/0293767 A1St Engineering Idirect (Europe) Cy NV
Most cited
By later US patents
- Information distribution and processing system1,219US 7,508,789 B2Data Innovation LLC · 2009
- Information distribution and processing system1,212US 8,457,545 B2Online News Link LLC · 2013
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Terminal for suggesting programs offered on a television program delivery system1,065US 5,798,785 ADiscovery Communications, Inc. · 1998
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996