H04B 5/70
Near-field transmission systems: specially adapted for specific purposes
Official title: specially adapted for specific purposes
H04B5/70 (Near-field transmission systems: specially adapted for specific purposes) appears on 7,455 US grants and 9,199 published applications in this corpus.
Search patents in H04B- Granted patents
- 7,455
- Published applications
- 9,199
- Assignees
- 2,160
- Inventors
- 11,608
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 4 | 11 |
| 2003 | 9 | 9 |
| 2004 | 7 | 22 |
| 2005 | 10 | 28 |
| 2006 | 18 | 51 |
| 2007 | 16 | 77 |
| 2008 | 23 | 129 |
| 2009 | 25 | 123 |
| 2010 | 56 | 200 |
| 2011 | 84 | 226 |
| 2012 | 143 | 297 |
| 2013 | 199 | 526 |
| 2014 | 275 | 649 |
| 2015 | 416 | 731 |
| 2016 | 580 | 730 |
| 2017 | 756 | 806 |
| 2018 | 774 | 807 |
| 2019 | 809 | 702 |
| 2020 | 643 | 631 |
| 2021 | 596 | 565 |
| 2022 | 498 | 508 |
| 2023 | 459 | 459 |
| 2024 | 418 | 389 |
| 2025 | 383 | 318 |
| 2026 | 201 | 204 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-invasive method and system for detecting quality of packaged milk6 Oct 2026US 12,754,178 B2Tata Consultancy Services Limited
- Wireless power transmitters for transmitting power at extended separation distances with magnetic connectors6 Oct 2026US 12,756,229 B2NuCurrent, Inc.
- Digital key pairing device and method6 Oct 2026US 12,757,026 B2Hyundai Motor Company
- Wireless power receiver, wireless power transmitter, and wireless power transfer method using same29 Sep 2026US 12,749,922 B2LG Electronics Inc.
- Wireless communication method and apparatus29 Sep 2026US 12,750,090 B2Huawei Technologies Co., Ltd.
- A system for enhancing nfc communication with a programmable driver inside a metal housing8 Oct 2026US 2026/0312622 A1Signify Holding B. V.
- Method for providing nfc data exchange format messages8 Oct 2026US 2026/0312623 A1Silicon Craft Technology Co., Ltd.
- Communication device8 Oct 2026US 2026/0312624 A1
- Communication device8 Oct 2026US 2026/0312625 A1
- Remote reading system inventory tracking1 Oct 2026US 2026/0300668 A1QUALCOMM Incorporated
Most cited
By later US patents
- Wireless non-radiative energy transfer952US 7,741,734 B2Massachusetts Institute of Technology · 2010
- Non-contact surgical adapter electrical interface823US 10,164,466 B2Covidien LP · 2018
- Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields735US 4,945,305 AAscension Technology Corporation · 1990
- Systems and methods for wireless power640US 8,115,448 B22012
- Wireless energy transfer568US 7,825,543 B2Massachusetts Institute of Technology · 2010