H04B 7/04
Using two or more spaced independent antennas
Official title: using two or more spaced independent antennas
H04B7/04 (Using two or more spaced independent antennas) appears on 39,662 US grants and 49,349 published applications in this corpus.
Search patents in H04B- Granted patents
- 39,662
- Published applications
- 49,349
- Assignees
- 3,319
- Inventors
- 29,247
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 15 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 3 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 12 | 0 |
| 1988 | 15 | 0 |
| 1989 | 20 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 20 | 0 |
| 1993 | 31 | 0 |
| 1994 | 40 | 0 |
| 1995 | 39 | 0 |
| 1996 | 69 | 0 |
| 1997 | 77 | 0 |
| 1998 | 101 | 0 |
| 1999 | 114 | 0 |
| 2000 | 154 | 0 |
| 2001 | 147 | 68 |
| 2002 | 188 | 315 |
| 2003 | 177 | 396 |
| 2004 | 232 | 507 |
| 2005 | 237 | 606 |
| 2006 | 411 | 717 |
| 2007 | 365 | 720 |
| 2008 | 445 | 813 |
| 2009 | 498 | 900 |
| 2010 | 577 | 1089 |
| 2011 | 790 | 1167 |
| 2012 | 1054 | 1388 |
| 2013 | 1323 | 1646 |
| 2014 | 1733 | 1645 |
| 2015 | 1848 | 1934 |
| 2016 | 1831 | 2078 |
| 2017 | 1894 | 2135 |
| 2018 | 2096 | 2591 |
| 2019 | 2768 | 3182 |
| 2020 | 2975 | 3662 |
| 2021 | 2942 | 3507 |
| 2022 | 2963 | 3662 |
| 2023 | 3005 | 3885 |
| 2024 | 3172 | 4089 |
| 2025 | 3039 | 3612 |
| 2026 | 2143 | 3035 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 7/06At the transmitting station27,625
- H04B 7/0413Mimo systems17,444
- H04B 7/08At the receiving station11,414
- H04B 7/0408Using two or more beams, i.e. beam diversity2,258
- H04B 7/0404The mobile station comprising multiple antennas1,661
- H04B 7/0491Using two or more sectors, i.e. sector diversity486
- H04B 7/04013Intelligent reflective surfaces330
Recent patents
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- Wireless secure communication method using reconfigurable intelligent surface-non-orthogonal multiple access under complex channel conditions6 Oct 2026US 12,756,426 B2Taiyuan University of Science and Technology
- Reconfigurable intelligent surface (RIS) reservation for sidelink communications6 Oct 2026US 12,756,427 B2QUALCOMM Incorporated
- Methods and systems for sensing-based channel reconstruction and tracking6 Oct 2026US 12,756,428 B2Huawei Technologies Co., Ltd.
- System and method for enhancing wireless coverage at an information handling system using a multi-slice static metasurface6 Oct 2026US 12,756,429 B2Dell Products L. P.
- Processing unit occupancy rules and prioritization rules for artificial intelligence enabled use cases8 Oct 2026US 2026/0310516 A1Apple Inc.
- Apparatus and method for position estimation based on distance-based channel charting with velocity and map information8 Oct 2026US 2026/0310961 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Beamforming method and device in ris element grouping8 Oct 2026US 2026/0312629 A1Knu-Industry Cooperation Foundation
- System and method for mitigating interference of a wireless signal received and reflected at a reconfigurable metasurface unit cell array using a conditional generative adversarial network algorithm8 Oct 2026US 2026/0312630 A1Dell Products L. P.
- Method and apparatus for beam management in communication system having extra-large scale multiple input and multiple output8 Oct 2026US 2026/0312631 A1Hyundai Motor Company
Most cited
By later US patents
- Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system793US 6,473,467 B1QUALCOMM Incorporated · 2002
- Low cost anvil assembly for a circular stapler760US 8,910,847 B2Ethicon Endo-Surgery, Inc. · 2014
- CDMA microcellular telephone system and distributed antenna system therefor661US 5,280,472 AQUALCOMM Incorporated · 1994
- Spatio-temporal processing for communication580US 6,144,711 ACisco Systems, Inc. · 2000
- Radio communication system572US 7,043,271 B1Kabushiki Kaisha Toshiba · 2006