H01Q 1/521
Reducing the coupling between adjacent antennas
Official title: {reducing the coupling between adjacent antennas}
H01Q1/521 (Reducing the coupling between adjacent antennas) appears on 2,440 US grants and 2,876 published applications in this corpus.
Search patents in H01Q- Granted patents
- 2,440
- Published applications
- 2,876
- Assignees
- 895
- Inventors
- 5,061
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 0 |
| 2002 | 7 | 14 |
| 2003 | 19 | 24 |
| 2004 | 8 | 25 |
| 2005 | 23 | 22 |
| 2006 | 19 | 14 |
| 2007 | 5 | 17 |
| 2008 | 22 | 33 |
| 2009 | 26 | 46 |
| 2010 | 19 | 44 |
| 2011 | 30 | 52 |
| 2012 | 26 | 64 |
| 2013 | 43 | 98 |
| 2014 | 71 | 103 |
| 2015 | 76 | 115 |
| 2016 | 86 | 117 |
| 2017 | 117 | 149 |
| 2018 | 121 | 173 |
| 2019 | 189 | 232 |
| 2020 | 243 | 266 |
| 2021 | 233 | 224 |
| 2022 | 200 | 235 |
| 2023 | 190 | 257 |
| 2024 | 236 | 230 |
| 2025 | 211 | 186 |
| 2026 | 139 | 136 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Scalable multi beamforming topology supporting an electronically steered array antenna6 Oct 2026US 12,756,094 B2SatixFy UK Limited
- Patch antenna and antenna array6 Oct 2026US 12,756,100 B2Alpha Networks Inc.
- Antenna having a spatial bandpass structure and parasitic radiator6 Oct 2026US 12,756,106 B2Galtronics USA, Inc.
- Antenna device15 Sep 2026US 12,738,636 B2Yokowo Co., Ltd.
- Radiator unit for cross-band suppression15 Sep 2026US 12,738,639 B2Telefonaktiebolaget LM Ericsson (publ)
- Antenna device, antenna, and vehicle8 Oct 2026US 2026/0312282 A1Toyota Jidosha Kabushiki Kaisha
- Antenna device8 Oct 2026US 2026/0312283 A1LG Innotek Co., Ltd.
- Antenna substrate8 Oct 2026US 2026/0312298 A1Fujikura Ltd.
- Antenna assembly with aligned multiple rf band antenna elements isolated by orthogonal ground current path operating in chassis mode1 Oct 2026US 2026/0302605 A1Motorola Mobility LLC
- Structure for improving isolation between antennas, and antenna system1 Oct 2026US 2026/0302606 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Multiple antenna impedance optimization324US 6,920,315 B1Ericsson Inc. · 2005
- Wireless packet switched communication systems and networks using adaptively steered antenna arrays291US 6,970,682 B2Vivato, Inc. · 2005
- Dual antenna microwave resection and ablation device, system and method of use227US 9,028,476 B2Covidien LP · 2015
- Antenna array and unit cell using an artificial magnetic layer215US 7,471,247 B2Nokia Siemens Networks Oy · 2008
- Vehicle surroundings monitoring device198US 6,335,680 B12002