H01P 5/18
Consisting of two coupled guides
Official title: consisting of two coupled guides, e.g. directional couplers
H01P5/18 (Consisting of two coupled guides) appears on 1,151 US grants and 1,065 published applications in this corpus.
Search patents in H01P- Granted patents
- 1,151
- Published applications
- 1,065
- Assignees
- 493
- Inventors
- 2,077
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 14 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 14 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 6 |
| 2002 | 15 | 20 |
| 2003 | 21 | 26 |
| 2004 | 20 | 38 |
| 2005 | 23 | 28 |
| 2006 | 33 | 25 |
| 2007 | 23 | 26 |
| 2008 | 21 | 26 |
| 2009 | 18 | 30 |
| 2010 | 20 | 33 |
| 2011 | 27 | 32 |
| 2012 | 28 | 42 |
| 2013 | 26 | 27 |
| 2014 | 34 | 54 |
| 2015 | 41 | 34 |
| 2016 | 60 | 53 |
| 2017 | 52 | 68 |
| 2018 | 58 | 71 |
| 2019 | 82 | 81 |
| 2020 | 89 | 72 |
| 2021 | 56 | 59 |
| 2022 | 49 | 53 |
| 2023 | 40 | 42 |
| 2024 | 50 | 44 |
| 2025 | 48 | 47 |
| 2026 | 26 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Millimeter-wave crossover coupler22 Sep 2026US 12,744,299 B2Dell Products L. P.
- RF circuit with balanced amplifier, receive amplifier, and output directional coupler15 Sep 2026US 12,738,905 B2NXP B. V.
- Gain invariant bidirectional phase shifter18 Aug 2026US 12,712,245 B2Texas Instruments Incorporated
- Stacked coaxial cavity combiner for combining a plurality of amplifiers, the combiner having an outer conductor wall and plural inner conductor blocks18 Aug 2026US 12,712,507 B2Korea Institute of Fusion Energy
- Wide-band common mode reduction in high speed differential traces18 Aug 2026US 12,713,520 B2Dell Products L. P.
- Impedance transforming tapered couplers8 Oct 2026US 2026/0312271 A1Qorvo US, Inc.
- Coupler, butler matrix circuit, transmitting circuit, and transmitting device1 Oct 2026US 2026/0302585 A1Sumitomo Electric Industries, Ltd.
- Power amplification and coupling circuit with transformer line24 Sep 2026US 2026/0291441 A1Jabil Inc.
- Directional coupler17 Sep 2026US 2026/0280092 A1Pabrain Co., Ltd
- Branch-line coupler17 Sep 2026US 2026/0280093 A1Nanning FuLian FuGui Precision Industrial Co., Ltd.
Most cited
By later US patents
- Electromagnetic transmission line elements having a boundary between materials of high and low dielectric constants634US 5,889,449 ASpace Systems/Loral, Inc. · 1999
- Guided-wave transmission device with diversity and methods for use therewith471US 9,564,947 B2AT&T Intellectual Property I, L. P. · 2017
- Launcher and coupling system for guided wave mode cancellation442US 9,991,580 B2AT&T Intellectual Property I, L. P. · 2018
- Apparatus and methods for communicating utilizing an antenna array364US 10,148,016 B2AT&T Intellectual Property I, L. P. · 2018
- Methods and apparatus for adjusting a phase of electromagnetic waves324US 10,205,212 B2AT&T Intellectual Property I, L. P. · 2019