H04B 7/212
Time-division multiple access [tdma]
Official title: Time-division multiple access {[TDMA]}
H04B7/212 (Time-division multiple access [tdma]) appears on 589 US grants and 380 published applications in this corpus.
Search patents in H04B- Granted patents
- 589
- Published applications
- 380
- Assignees
- 219
- Inventors
- 976
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 12 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 21 | 10 |
| 2002 | 22 | 21 |
| 2003 | 13 | 12 |
| 2004 | 11 | 11 |
| 2005 | 7 | 15 |
| 2006 | 8 | 7 |
| 2007 | 10 | 13 |
| 2008 | 9 | 8 |
| 2009 | 13 | 13 |
| 2010 | 7 | 13 |
| 2011 | 14 | 13 |
| 2012 | 16 | 10 |
| 2013 | 12 | 16 |
| 2014 | 18 | 11 |
| 2015 | 20 | 9 |
| 2016 | 12 | 17 |
| 2017 | 17 | 20 |
| 2018 | 12 | 20 |
| 2019 | 26 | 15 |
| 2020 | 30 | 25 |
| 2021 | 16 | 26 |
| 2022 | 18 | 24 |
| 2023 | 36 | 23 |
| 2024 | 24 | 10 |
| 2025 | 10 | 11 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for latency equalization in a satellite cellular telecommunications network6 Oct 2026US 12,757,141 B1Space Exploration Technologies Corp.
- Terrestrial and non-terrestrial communication systems, apparatuses, and methods14 Apr 2026US 12,603,698 B2Huawei Technologies Co., Ltd.
- Systems, methods, and terminals for synchronization of signal timing between a first terminal and a second terminal14 Apr 2026US 12,604,283 B2Macdonald, Dettwiler and Associates Inc.
- Flexible beamforming for satellite communications10 Mar 2026US 12,574,109 B2ViaSat, Inc.
- Enhanced clock frequency control28 Oct 2025US 12,457,034 B2Hughes Network Systems, LLC
- Flexible beamforming for satellite communications2 Jul 2026US 2026/0189298 A1ViaSat, Inc.
- Increasing speed of ftm measurements25 Jun 2026US 2026/0180658 A1Hewlett Packard Enterprise Development LP
- Simultaneous beamforming and multiple input-multiple output (mimo) schemes in radar system14 May 2026US 2026/0133314 A1Texas Instruments Incorporated
- Network transmit power profile by randomizing resource grants on a multi-user communications network14 May 2026US 2026/0136357 A1ViaSat, Inc.
- Systems, methods, and terminals for synchronization of signal timing between a first terminal and a second terminal9 Apr 2026US 2026/0101293 A1Macdonald, Dettwiler and Associates Inc.
Most cited
By later US patents
- Tool with articulation lock1,098US 9,737,365 B2Intuitive Surgical Operations, Inc. · 2017
- Tool with articulation lock1,061US 8,100,824 B2Intuitive Surgical Operations, Inc. · 2012
- Satellite communications system with random multiple access and time slot reservation286US 4,736,371 ANEC Corporation · 1988
- Transmitter and receivers using resource sharing and coding for increased capacity250US 4,495,619 AAT&T Bell Laboratories · 1985
- Onboard control of demand assigned multiple access protocol for satellite ATM networks242US 6,381,228 B1TRW Inc. · 2002