H04W 12/02
Protecting privacy or anonymity
Official title: Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
H04W12/02 (Protecting privacy or anonymity) appears on 5,248 US grants and 6,327 published applications in this corpus.
Search patents in H04W- Granted patents
- 5,248
- Published applications
- 6,327
- Assignees
- 1,518
- Inventors
- 9,745
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 7 |
| 2002 | 15 | 30 |
| 2003 | 9 | 43 |
| 2004 | 14 | 59 |
| 2005 | 13 | 63 |
| 2006 | 26 | 87 |
| 2007 | 39 | 91 |
| 2008 | 37 | 106 |
| 2009 | 50 | 93 |
| 2010 | 57 | 141 |
| 2011 | 79 | 120 |
| 2012 | 116 | 227 |
| 2013 | 183 | 281 |
| 2014 | 292 | 398 |
| 2015 | 347 | 452 |
| 2016 | 377 | 537 |
| 2017 | 425 | 486 |
| 2018 | 440 | 434 |
| 2019 | 466 | 471 |
| 2020 | 466 | 412 |
| 2021 | 365 | 374 |
| 2022 | 358 | 361 |
| 2023 | 312 | 346 |
| 2024 | 338 | 257 |
| 2025 | 244 | 264 |
| 2026 | 147 | 187 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase tracking reference signal configuration for rate-splitting multiple input multiple output communications6 Oct 2026US 12,756,596 B2QUALCOMM Incorporated
- Device and method for transmitting signal in wireless communication system6 Oct 2026US 12,757,011 B2LG Electronics Inc.
- Privacy protection in network slice as a service6 Oct 2026US 12,757,017 B2T-Mobile USA, Inc.
- Data privacy and security in smart devices29 Sep 2026US 12,748,887 B2Privacy4Cars, Inc.
- Data privacy and security in vehicles29 Sep 2026US 12,748,888 B1Privacy4Cars, Inc.
- Anonymized user equipment information reporting8 Oct 2026US 2026/0313367 A1Apple Inc.
- Protecting users from unwanted tracking8 Oct 2026US 2026/0313368 A1Google Inc.
- Methods and apparatus for identifier configuration1 Oct 2026US 2026/0303447 A1Nokia Technologies Oy
- Privacy group and aid assignment for seamless roaming in enhanced privacy networks1 Oct 2026US 2026/0304236 A1Cisco Technology, Inc.
- De-Sequencing Encoded Data Slices via a Storage Network24 Sep 2026US 2026/0288583 A1Everpure, 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
- Location-based advertising message serving for mobile communication devices636US 8,099,109 B2Loopt, Inc. · 2012
- Verifiable service billing for intermediate networking devices555US 8,023,425 B2Headwater Partners I LLC · 2011
- Method of operation of mobile wireless communication system with location information497US 6,377,810 B1Motorola, Inc. · 2002
- Secure communication architecture for medical devices493US 9,980,140 B1Bigfoot Biomedical, Inc. · 2018