H04B 5/45
Transponders
H04B5/45 (Transponders) appears on 1,044 US grants and 1,232 published applications in this corpus.
Search patents in H04B- Granted patents
- 1,044
- Published applications
- 1,232
- Assignees
- 492
- Inventors
- 1,671
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 12 |
| 2007 | 3 | 13 |
| 2008 | 5 | 19 |
| 2009 | 2 | 23 |
| 2010 | 4 | 22 |
| 2011 | 14 | 21 |
| 2012 | 19 | 38 |
| 2013 | 38 | 83 |
| 2014 | 58 | 78 |
| 2015 | 61 | 95 |
| 2016 | 80 | 94 |
| 2017 | 92 | 89 |
| 2018 | 96 | 90 |
| 2019 | 106 | 86 |
| 2020 | 68 | 80 |
| 2021 | 85 | 93 |
| 2022 | 69 | 79 |
| 2023 | 78 | 79 |
| 2024 | 46 | 52 |
| 2025 | 68 | 55 |
| 2026 | 30 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for performing authentication in wireless power transmission system29 Sep 2026US 12,750,092 B2LG Electronics Inc.
- Device and method for regulating voltage swing across an antenna of a near-field communications device15 Sep 2026US 12,738,965 B2Nordic Semiconductor ASA
- Near field communication NFC apparatus and open-loop control method8 Sep 2026US 12,732,227 B2Huawei Technologies Co., Ltd.
- PDE branching method and device in wireless power transmission system1 Sep 2026US 12,726,045 B2LG Electronics Inc.
- Device and method for controlling transmission of power in wireless power transmitting system1 Sep 2026US 12,726,049 B2LG Electronics Inc.
- Method and apparatus for backscatter signal transmission, communication device, and readable storage medium17 Sep 2026US 2026/0278320 A1Vivo Mobile Communication Co., Ltd.
- Acoustic transmission system, primary circuit, secondary circuit, method for transmitting and use of an acoustic transmission system13 Aug 2026US 2026/0238354 A1TDK Electronics Co., Ltd.
- Energy-based discontinuous backscattering by an ambient internet-of-things device6 Aug 2026US 2026/0230112 A1QUALCOMM Incorporated
- Reflection modulation via subcarrier indices30 Jul 2026US 2026/0223129 A1QUALCOMM Incorporated
- Systems and methods for performing transactions16 Jul 2026US 2026/0203740 A1Block, Inc.
Most cited
By later US patents
- Near field RF communicators and near field communications enabled devices486US 8,150,321 B22012
- Near field communication initialization364US 8,233,841 B2eBay Inc. · 2012
- Electronic near field communication enabled multifunctional device and method of its operation300US 7,375,616 B2Nokia Corporation · 2008
- System for detecting and measuring parameters of passive transponders287US 8,072,310 B1Pulsed Indigo Inc. · 2011
- Positioning guidance for increasing reliability of near-field communications267US 9,152,832 B2Broadcom Corporation · 2015