H04B 7/216
Code division or spread-spectrum multiple access [cdma, ssma]
Official title: Code division or spread-spectrum multiple access {[CDMA, SSMA]}
H04B7/216 (Code division or spread-spectrum multiple access [cdma, ssma]) appears on 358 US grants and 226 published applications in this corpus.
Search patents in H04B- Granted patents
- 358
- Published applications
- 226
- Assignees
- 115
- Inventors
- 403
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 11 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 9 | 9 |
| 2002 | 14 | 15 |
| 2003 | 8 | 17 |
| 2004 | 13 | 17 |
| 2005 | 8 | 13 |
| 2006 | 14 | 11 |
| 2007 | 13 | 6 |
| 2008 | 9 | 11 |
| 2009 | 10 | 23 |
| 2010 | 12 | 8 |
| 2011 | 7 | 4 |
| 2012 | 11 | 10 |
| 2013 | 14 | 7 |
| 2014 | 14 | 10 |
| 2015 | 15 | 9 |
| 2016 | 6 | 2 |
| 2017 | 7 | 10 |
| 2018 | 6 | 10 |
| 2019 | 4 | 5 |
| 2020 | 10 | 6 |
| 2021 | 5 | 8 |
| 2022 | 11 | 5 |
| 2023 | 10 | 7 |
| 2024 | 5 | 0 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Information transmission method and apparatus, and first communication node and second communication node21 Apr 2026US 12,609,854 B2Zte Corporation
- Event trigger for independent links27 Jan 2026US 12,537,757 B2QUALCOMM Incorporated
- Satellite communications using spread signals15 Jul 2025US 12,362,796 B2ViaSat, Inc.
- Beam information for independent links25 Feb 2025US 12,237,994 B2QUALCOMM Incorporated
- Systems and methods for communicating data over satellites24 Dec 2024US 12,176,997 B2
- Satellite communications using spread signals9 Oct 2025US 2025/0317174 A1ViaSat, Inc.
- Power control for independent links20 Mar 2025US 2025/0097140 A1QUALCOMM Incorporated
- Information transmission method and apparatus, and first communication node and second communication node2 Jan 2025US 2025/0007763 A1Zte Corporation
- Systems and methods for communicating data over satellites28 Dec 2023US 2023/0421249 A1
- Event trigger for independent links7 Dec 2023US 2023/0396531 A1QUALCOMM Incorporated
Most cited
By later US patents
- Spread spectrum multiple access communication system using satellite or terrestrial repeaters1,545US 4,901,307 AQUALCOMM Incorporated · 1990
- position determination in an integrated cellular communications system451US 5,612,703 ACelsat America, Inc. · 1997
- Position determination for reducing unauthorized use of a communication system442US 5,835,857 ACelsat America, Inc. · 1998
- Integrated cellular communications system427US 5,073,900 A1991
- CDMA communications and geolocation system and method350US 5,506,864 AInterDigital Technology Corporation · 1996