G01S 13/825
With exchange of information between interrogator and responder
Official title: {with exchange of information between interrogator and responder}
G01S13/825 (With exchange of information between interrogator and responder) appears on 351 US grants and 372 published applications in this corpus.
Search patents in G01S- Granted patents
- 351
- Published applications
- 372
- Assignees
- 256
- Inventors
- 933
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 13 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 1 |
| 2002 | 8 | 7 |
| 2003 | 9 | 5 |
| 2004 | 6 | 5 |
| 2005 | 2 | 10 |
| 2006 | 9 | 21 |
| 2007 | 3 | 10 |
| 2008 | 8 | 21 |
| 2009 | 11 | 26 |
| 2010 | 10 | 16 |
| 2011 | 14 | 16 |
| 2012 | 16 | 10 |
| 2013 | 9 | 7 |
| 2014 | 9 | 8 |
| 2015 | 9 | 10 |
| 2016 | 9 | 7 |
| 2017 | 9 | 14 |
| 2018 | 11 | 18 |
| 2019 | 17 | 25 |
| 2020 | 20 | 19 |
| 2021 | 18 | 17 |
| 2022 | 16 | 28 |
| 2023 | 17 | 15 |
| 2024 | 16 | 17 |
| 2025 | 18 | 30 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Edge device and method for sensor-assisted beamforming25 Aug 2026US 12,717,017 B2Peltbeam Inc.
- Device and method for centimetric-level positioning of a moving object25 Aug 2026US 12,717,019 B2
- Tag, interrogator, and system for performing position measurement based on backscatter in millimeter-wave band28 Jul 2026US 12,693,398 B2Korea Advanced Institute of Science and Technology
- Communication device and distance measurement method16 Jun 2026US 12,656,470 B2Sony Semiconductor Solutions Corporation
- Method and arrangement for evaluating a distance between at least two antenna units12 May 2026US 12,625,229 B2Koherent Oy
- Methods, architectures, apparatuses, and systems for sensing target detection6 Aug 2026US 2026/0231109 A1
- Methods and apparatus to adaptively measure distances30 Apr 2026US 2026/0118499 A1
- Data communication channel using radar unit and active radar beacon16 Apr 2026US 2026/0104504 A1Honeywell International Inc.
- Rfid tag readers switchable between interrogator and listener modes26 Mar 2026US 2026/0087279 A1Automaton, Inc.
- System and method for ranging with channel sounding19 Mar 2026US 2026/0079251 A1Denso Corporation
Most cited
By later US patents
- Managing assets with active electronic tags753US 5,774,876 APar Government Systems Corporation · 1998
- Measuring distance593US 5,959,568 APar Goverment Systems Corporation · 1999
- Method and apparatus combining a tracking system and a wireless communication system583US 6,812,824 B1RF Technologies, Inc. · 2004
- Interrogation, and detection system536US 4,075,632 AThe United States of America as represented by the United States Department of Energy · 1978
- Communication system for communicating with tags518US 5,686,902 ATexas Instruments Incorporated · 1997