G01S 13/4409
Hf sub-systems particularly adapted therefor
Official title: {HF sub-systems particularly adapted therefor, e.g. circuits for signal combination (multi-lobing aerials or aerial systems H01Q25/00)}
G01S13/4409 (Hf sub-systems particularly adapted therefor) appears on 69 US grants and 37 published applications in this corpus.
Search patents in G01S- Granted patents
- 69
- Published applications
- 37
- Assignees
- 54
- Inventors
- 152
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 3 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 8 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Self-injection-locking monopulse radar29 Jul 2025US 12,372,635 B2National Sun Yat-Sen University
- FMCW radar with elevation scanning1 Jul 2025US 12,345,798 B2Honeywell International Inc.
- Feeding network device for improved direction estimation3 Jun 2025US 12,322,872 B2Korea Electronics Technology Institute
- Radar sensor processing chain8 Oct 2024US 12,111,385 B2GM Cruise Holdings LLC
- Photonic integrated circuit (PIC) radio frequency I/Q signal correlator20 Feb 2024US 11,909,442 B2Raytheon BBN Technologies Corp.
- Dynamic aesa reconfiguration23 Oct 2025US 2025/0327917 A1Rockwell Collins, Inc.
- Sparse mimo phased array imaging radar16 Jan 2025US 2025/0020766 A1Bdcm A2 LLC
- Radar for detection of concealed objects25 Jul 2024US 2024/0248199 A1
- Method and device for radar target feature recognition based on optical time-delay fast interferometric scanning18 Jul 2024US 2024/0241244 A1Zhejiang University
- Multiple input multiple steered output (mimso) radar1 Feb 2024US 2024/0039173 A1Provizio Limited
Most cited
By later US patents
- Dually polarized monopulse feed using an orthogonal polarization coupler in a multimode waveguide242US 5,329,285 AThe Boeing Company · 1994
- Monopulse system for target location43US 6,087,974 ALockheed Martin Corporation · 2000
- Radar apparatus39US 5,940,029 AFujitsu Limited · 1999
- Switchable beamwidth monopulse method and system33US 3,965,475 AThe United States of America as represented by the United States Administrator of the National Aeronautics and Space Administration · 1976
- Method of performing beam compression process on antenna pattern of radar29US 5,432,519 ANational Space Development Agency of Japan · 1995