H04B 7/0643
Feedback on request
Official title: {Feedback on request}
H04B7/0643 (Feedback on request) appears on 141 US grants and 175 published applications in this corpus.
Search patents in H04B- Granted patents
- 141
- Published applications
- 175
- Assignees
- 52
- Inventors
- 346
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 0 | 10 |
| 2008 | 0 | 4 |
| 2009 | 1 | 4 |
| 2010 | 7 | 3 |
| 2011 | 4 | 13 |
| 2012 | 4 | 9 |
| 2013 | 9 | 7 |
| 2014 | 13 | 14 |
| 2015 | 12 | 6 |
| 2016 | 9 | 11 |
| 2017 | 5 | 8 |
| 2018 | 8 | 14 |
| 2019 | 11 | 15 |
| 2020 | 17 | 13 |
| 2021 | 12 | 7 |
| 2022 | 2 | 8 |
| 2023 | 11 | 4 |
| 2024 | 7 | 7 |
| 2025 | 4 | 6 |
| 2026 | 2 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Proactively assist roaming of Wi-Fi 6E stations with smart-management of fast BSS transition29 Sep 2026US 12,750,773 B2Fortinet, Inc.
- Distributed multi-user (MU) wireless communication28 Jul 2026US 12,695,481 B2QUALCOMM Incorporated
- Beamformer solicited sounding16 Dec 2025US 12,500,640 B2MaxLinear, Inc.
- Null data packet announcement (NDPA) frame indication14 Oct 2025US 12,445,185 B2Huawei Technologies Co., Ltd.
- Systems and methods for aperiodic measurement reference signal transmission in multiple antenna systems8 Apr 2025US 12,273,760 B2InterDigital Patent Holdings, Inc.
- Csi feedback method and apparatus, terminal, network side device, and medium4 Jun 2026US 2026/0155878 A1Vivo Mobile Communication Co., Ltd.
- Beam measurement and report accuracy enhancement21 May 2026US 2026/0142704 A1Google Inc.
- Beamformer solicited sounding16 Apr 2026US 2026/0106656 A1MaxLinear, Inc.
- Performing measurements associated with channel measurement resources using restricted receive beam subsets19 Mar 2026US 2026/0082258 A1QUALCOMM Incorporated
- Null data packet announcement (ndpa) frame indication15 Jan 2026US 2026/0019132 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Method and apparatus for closed loop data transmission295US 7,139,328 B2Motorola, Inc. · 2006
- Estimation of downlink transmission parameters in a radio communications system with an adaptive antenna array89US 6,738,020 B1ArrayComm, Inc. · 2004
- Downlink transmit beamforming71US 7,719,993 B2Intel Corporation · 2010
- Efficient training schemes for MIMO based wireless networks69US 7,804,800 B2Intel Corporation · 2010
- Group identification and definition within multiple user, multiple access, and/or MIMO wireless communications44US 9,197,298 B2Broadcom Corporation · 2015