H01Q 3/443
Varying the phase velocity along a leaky transmission line
Official title: {varying the phase velocity along a leaky transmission line (frequency scanning H01Q3/22; non-resonant leaky-waveguide or transmission-line aerials H01Q13/20)}
H01Q3/443 (Varying the phase velocity along a leaky transmission line) appears on 76 US grants and 63 published applications in this corpus.
Search patents in H01Q- Granted patents
- 76
- Published applications
- 63
- Assignees
- 45
- Inventors
- 139
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 8 |
| 2016 | 3 | 2 |
| 2017 | 6 | 1 |
| 2018 | 4 | 7 |
| 2019 | 4 | 7 |
| 2020 | 11 | 9 |
| 2021 | 7 | 3 |
| 2022 | 3 | 2 |
| 2023 | 6 | 4 |
| 2024 | 1 | 9 |
| 2025 | 5 | 0 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for measuring strength of signal7 Jul 2026US 12,676,413 B2Samsung Electronics Co., Ltd.
- Reflective phase shifter for use in phased arrays30 Jun 2026US 12,671,176 B2
- Antenna device and manufacturing method therefor, control method and electronic device10 Feb 2026US 12,548,899 B2Beijing BOE Technology Development Co., Ltd.
- Millimeter wave radio frequency phase shifter20 Jan 2026US 12,531,334 B2Kyocera AVX Components (San Diego), Inc.
- Beamforming via sparse activation of antenna elements connected to phase advance waveguides9 Dec 2025US 12,494,573 B2MetaVC Patent Holding Company
- Reflective phase shifter for use in phased arrays17 Sep 2026US 2026/0280122 A1
- Beamforming via sparse activation of antenna elements connected to phase advance waveguides23 Jul 2026US 2026/0213405 A1MetaVC Patent Holding Company
- Meta-surface reconfigurable antenna array16 Apr 2026US 2026/0106374 A1Novocomms Ltd
- Millimeter wave base station antenna28 Nov 2024US 2024/0396212 A1
- Waveguide, Wave Beam Adjusting Device, Wave Beam Adjusting Method and Manufacturing Method21 Nov 2024US 2024/0387973 A1Beijing BOE Technology Development Co., Ltd.
Most cited
By later US patents
- Meta-element antenna and array415US 7,068,234 B2HRL Laboratories, LLC · 2006
- Semiconductor waveguide antenna with diode control for scanning228US 3,959,794 AThe United States of America as represented by the Secretary of the Army · 1976
- Phase scan antenna array134US 4,785,304 AThe United States of America as represented by the Secretary of the Army · 1988
- Surface scattering antennas with lumped elements127US 9,853,361 B2The Invention Science Fund I, LLC · 2017
- Surface scattering antenna improvements84US 9,385,435 B2The Invention Science Fund I, LLC · 2016