G01S 7/41
Using analysis of echo signal for target characterisation
Official title: using analysis of echo signal for target characterisation; Target signature; Target cross-section
G01S7/41 (Using analysis of echo signal for target characterisation) appears on 3,758 US grants and 4,686 published applications in this corpus.
Search patents in G01S- Granted patents
- 3,758
- Published applications
- 4,686
- Assignees
- 1,402
- Inventors
- 8,623
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 15 | 0 |
| 1996 | 22 | 0 |
| 1997 | 22 | 0 |
| 1998 | 27 | 0 |
| 1999 | 29 | 0 |
| 2000 | 24 | 0 |
| 2001 | 28 | 8 |
| 2002 | 32 | 29 |
| 2003 | 30 | 35 |
| 2004 | 37 | 23 |
| 2005 | 35 | 32 |
| 2006 | 30 | 24 |
| 2007 | 27 | 34 |
| 2008 | 27 | 62 |
| 2009 | 30 | 64 |
| 2010 | 44 | 58 |
| 2011 | 46 | 61 |
| 2012 | 61 | 80 |
| 2013 | 62 | 55 |
| 2014 | 64 | 67 |
| 2015 | 81 | 83 |
| 2016 | 77 | 136 |
| 2017 | 95 | 141 |
| 2018 | 107 | 210 |
| 2019 | 190 | 288 |
| 2020 | 248 | 431 |
| 2021 | 274 | 442 |
| 2022 | 318 | 482 |
| 2023 | 376 | 517 |
| 2024 | 412 | 508 |
| 2025 | 481 | 456 |
| 2026 | 286 | 360 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01S 7/411Identification of targets based on measurements of radar reflectivity1,335
- G01S 7/415Identification of targets based on measurements of movement associated with the target1,227
- G01S 7/417Involving the use of neural networks990
- G01S 7/414Discriminating targets with respect to background clutter501
- G01S 7/418Theoretical aspects49
Recent patents
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- Multi radar object detection6 Oct 2026US 12,754,285 B2The Regents at the University of California
- Friction estimation for a vehicle6 Oct 2026US 12,754,286 B2Ford Global Technologies, LLC
- Multi-user hand gesture recognition6 Oct 2026US 12,754,287 B2Samsung Electronics Co., Ltd.
- Radar point cloud-based posture determination system6 Oct 2026US 12,754,307 B2Smart Radar System, Inc.
- Minimizing radar transmission loss through coatings of vehicle parts with additional radar correcting layers8 Oct 2026US 2026/0309843 A1PPG Industries Ohio, Inc.
- Method of object detection and object status identification and related electronic device8 Oct 2026US 2026/0309844 A1RichWave Technology Corp.
- Multi-axis Radar Velocity Image from Stereo Doppler Radar8 Oct 2026US 2026/0309857 A1Waymo LLC
- System for processing signal from radar sensor for tracking object by using artificial intelligence and method implementing the same8 Oct 2026US 2026/0309862 A1Hyundai Motor Company
- Apparatus and method for generating training data for estimating direction of arrival1 Oct 2026US 2026/0299085 A1Bitsensing Inc.
Most cited
By later US patents
- Accident avoidance system789US 6,405,132 B1Intelligent Technologies International, Inc. · 2002
- Optical identification and monitoring system using pattern recognition for use with vehicles656US 5,845,000 AAutomotive Technologies International, Inc. · 1998
- Vehicle occupant position and velocity sensor563US 5,848,802 AAutomotive Technologies International, Inc. · 1998
- Vehicular component control systems and methods554US 6,442,465 B2Automotive Technologies International, Inc. · 2002
- Telematics system503US 6,735,506 B2Automotive Technologies International, Inc. · 2004