H04B 7/00
Radio transmission systems, i.e. using radiation field
Official title: Radio transmission systems, i.e. using radiation field (H04B10/00, H04B15/00 take precedence)
H04B7/00 (Radio transmission systems, i.e. using radiation field) appears on 63,757 US grants and 73,973 published applications in this corpus.
Search patents in H04B- Granted patents
- 63,757
- Published applications
- 73,973
- Assignees
- 6,137
- Inventors
- 51,597
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 64 | 0 |
| 1978 | 45 | 0 |
| 1979 | 39 | 0 |
| 1980 | 46 | 0 |
| 1981 | 48 | 0 |
| 1982 | 63 | 0 |
| 1983 | 39 | 0 |
| 1984 | 48 | 0 |
| 1985 | 50 | 0 |
| 1986 | 59 | 0 |
| 1987 | 71 | 0 |
| 1988 | 71 | 0 |
| 1989 | 83 | 0 |
| 1990 | 67 | 0 |
| 1991 | 72 | 0 |
| 1992 | 91 | 0 |
| 1993 | 116 | 0 |
| 1994 | 179 | 0 |
| 1995 | 211 | 0 |
| 1996 | 315 | 0 |
| 1997 | 327 | 0 |
| 1998 | 487 | 0 |
| 1999 | 577 | 0 |
| 2000 | 654 | 0 |
| 2001 | 596 | 256 |
| 2002 | 646 | 903 |
| 2003 | 577 | 935 |
| 2004 | 697 | 1047 |
| 2005 | 595 | 1129 |
| 2006 | 896 | 1252 |
| 2007 | 712 | 1359 |
| 2008 | 782 | 1593 |
| 2009 | 901 | 1652 |
| 2010 | 1122 | 1995 |
| 2011 | 1404 | 2005 |
| 2012 | 1830 | 2333 |
| 2013 | 2264 | 2717 |
| 2014 | 2859 | 2802 |
| 2015 | 3018 | 3160 |
| 2016 | 2990 | 3381 |
| 2017 | 3179 | 3365 |
| 2018 | 3401 | 3809 |
| 2019 | 4088 | 4332 |
| 2020 | 4189 | 4846 |
| 2021 | 3939 | 4711 |
| 2022 | 3980 | 4963 |
| 2023 | 4023 | 5239 |
| 2024 | 4239 | 5471 |
| 2025 | 4128 | 4880 |
| 2026 | 2844 | 3838 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04B 7/02Diversity systems42,568
- H04B 7/14Relay systems16,220
- H04B 7/24Radio transmission systems, i.e. using radiation field: for communication between two or7,705
- H04B 7/005Control of transmission407
- H04B 7/01Reducing phase shift389
- H04B 7/22Scatter propagation systems146
- H04B 7/002Reducing depolarization effects120
- H04B 7/015Reducing echo effects55
Recent patents
- Enhanced processing to discriminate between ADS B traffic/tracks with duplicate aircraft addresses6 Oct 2026US 12,755,636 B2BAE Systems Information and Electronic Systems Integration Inc.
- Satellite array architecture6 Oct 2026US 12,756,110 B2
- Clustered coherent distributed spatial multiplexing in wireless communication networks6 Oct 2026US 12,756,424 B2TrellisWare Technologies, Inc.
- Transmission method and apparatus, device, and readable storage medium6 Oct 2026US 12,756,425 B2Datang Mobile Communications Equipment Co., Ltd.
- 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
- 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.
- Multi-antenna system for non-terrestrial communications8 Oct 2026US 2026/0312626 A1Astranis Space Technologies Corp.
- Methods, architectures, apparatuses and systems for coordinated beamforming in wi-fi8 Oct 2026US 2026/0312627 A1
- Method for performing joint transmission in wireless communication system and apparatus therefor8 Oct 2026US 2026/0312628 A1LG Electronics Inc.
Most cited
By later US patents
- Authorized location reporting paging system2,396US 6,560,461 B12003
- Location reporting satellite paging system with optional blocking of location reporting2,183US 5,918,159 A1999
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- Spread spectrum multiple access communication system using satellite or terrestrial repeaters1,545US 4,901,307 AQUALCOMM Incorporated · 1990
- Method and system for reliable broadcasting of data files and streams1,460US 6,272,658 B1Kencast, Inc. · 2001