H04W 12/03
Protecting confidentiality
Official title: Protecting confidentiality, e.g. by encryption
H04W12/03 (Protecting confidentiality) appears on 6,105 US grants and 7,732 published applications in this corpus.
Search patents in H04W- Granted patents
- 6,105
- Published applications
- 7,732
- Assignees
- 1,846
- Inventors
- 11,520
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 20 | 0 |
| 2001 | 17 | 14 |
| 2002 | 23 | 66 |
| 2003 | 20 | 86 |
| 2004 | 30 | 116 |
| 2005 | 28 | 137 |
| 2006 | 58 | 148 |
| 2007 | 60 | 134 |
| 2008 | 77 | 154 |
| 2009 | 94 | 134 |
| 2010 | 97 | 153 |
| 2011 | 103 | 119 |
| 2012 | 147 | 199 |
| 2013 | 190 | 203 |
| 2014 | 230 | 235 |
| 2015 | 230 | 265 |
| 2016 | 235 | 327 |
| 2017 | 285 | 368 |
| 2018 | 319 | 401 |
| 2019 | 316 | 437 |
| 2020 | 450 | 678 |
| 2021 | 474 | 694 |
| 2022 | 559 | 705 |
| 2023 | 600 | 641 |
| 2024 | 602 | 487 |
| 2025 | 512 | 437 |
| 2026 | 279 | 394 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Providing secure positioning, navigation, and timing (PNT) using a networked constellation of satellites6 Oct 2026US 12,754,324 B2Airbus U.S. Space & Defense, Inc.
- Methods and systems for secure communication between two or more appliances6 Oct 2026US 12,757,012 B2Haier US Appliance Solutions, Inc.
- Reliable frame transmission scheme for multi-link device6 Oct 2026US 12,757,230 B2Hewlett Packard Enterprise Development LP
- Method and system for protecting proprietary information used to determine a misbehavior condition for vehicle-to-everything (V2X) reporting29 Sep 2026US 12,750,659 B2QUALCOMM Incorporated
- Technique for enabling exposure of information related to encrypted communication29 Sep 2026US 12,750,660 B2Telefonaktiebolaget LM Ericsson (publ)
- Advertising method and device based on various packet formats in ultra-wideband wireless network system8 Oct 2026US 2026/0311159 A1LG Electronics Inc.
- Independent sequence processing to facilitate security between nodes in wireless networks8 Oct 2026US 2026/0312619 A1Texas Instruments Incorporated
- Protecting users from unwanted tracking8 Oct 2026US 2026/0313368 A1Google Inc.
- Communication method and apparatus8 Oct 2026US 2026/0313369 A1Huawei Technologies Co., Ltd.
- Apparatus and method for sharing encrypted data in wireless communication system8 Oct 2026US 2026/0313370 A1LG Electronics Inc.
Most cited
By later US patents
- IP-flow classification in a wireless point to multi-point (PTMP) transmission system910US 6,452,915 B1Malibu Networks, Inc. · 2002
- System and method for pushing information from a host system to a mobile data communication device having a shared electronic address717US 6,219,694 B1Research In Motion Limited · 2001
- Multi-services application gateway and system employing the same602US 8,543,665 B2Prodea Systems, Inc. · 2013
- Verifiable service billing for intermediate networking devices555US 8,023,425 B2Headwater Partners I LLC · 2011
- Wireless reservation, check-in, access control, check-out and payment499US 7,315,823 B2Telefonaktiebolaget LM Ericsson · 2008