H04B 5/77
For interrogation
Official title: for interrogation
H04B5/77 (For interrogation) appears on 2,181 US grants and 2,650 published applications in this corpus.
Search patents in H04B- Granted patents
- 2,181
- Published applications
- 2,650
- Assignees
- 944
- Inventors
- 4,080
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 3 |
| 2004 | 3 | 6 |
| 2005 | 7 | 15 |
| 2006 | 6 | 35 |
| 2007 | 7 | 54 |
| 2008 | 14 | 100 |
| 2009 | 18 | 59 |
| 2010 | 36 | 66 |
| 2011 | 46 | 48 |
| 2012 | 82 | 84 |
| 2013 | 77 | 140 |
| 2014 | 93 | 168 |
| 2015 | 126 | 178 |
| 2016 | 164 | 222 |
| 2017 | 208 | 237 |
| 2018 | 218 | 216 |
| 2019 | 208 | 206 |
| 2020 | 189 | 168 |
| 2021 | 157 | 170 |
| 2022 | 130 | 127 |
| 2023 | 108 | 114 |
| 2024 | 101 | 91 |
| 2025 | 101 | 80 |
| 2026 | 51 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wireless communication method and apparatus29 Sep 2026US 12,750,090 B2Huawei Technologies Co., Ltd.
- Near-field communication enabled luggage item stowage bins29 Sep 2026US 12,750,091 B2AT&T Intellectual Property I, L.P.
- Freshness sensor devices and related methods15 Sep 2026US 12,736,511 B2The Kroger Co.
- NFC device detection1 Sep 2026US 12,726,231 B2STMicroelectronics France
- Electronic device including antenna25 Aug 2026US 12,719,527 B2Samsung Electronics 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
- Systems and methods for wireless power640US 8,115,448 B22012
- Method and apparatus for managing credentials through a wireless network444US 8,700,729 B22014
- Wireless media system-on-chip and player349US 8,463,184 B22013
- Wireless power harvesting and transmission with heterogeneous signals334US 9,318,898 B2WiTricity Corporation · 2016
- Communication system322US 7,890,053 B2Sony Corporation · 2011