H04L 23/00
Apparatus or local circuits for systems other than those covered by groups
Official title: Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
H04L23/00 (Apparatus or local circuits for systems other than those covered by groups) appears on 384 US grants and 320 published applications in this corpus.
Search patents in H04L- Granted patents
- 384
- Published applications
- 320
- Assignees
- 135
- Inventors
- 491
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 4 |
| 2003 | 5 | 8 |
| 2004 | 2 | 9 |
| 2005 | 2 | 6 |
| 2006 | 8 | 6 |
| 2007 | 9 | 6 |
| 2008 | 6 | 5 |
| 2009 | 9 | 21 |
| 2010 | 9 | 10 |
| 2011 | 11 | 18 |
| 2012 | 12 | 13 |
| 2013 | 32 | 17 |
| 2014 | 35 | 36 |
| 2015 | 33 | 46 |
| 2016 | 34 | 18 |
| 2017 | 26 | 22 |
| 2018 | 26 | 17 |
| 2019 | 22 | 18 |
| 2020 | 15 | 12 |
| 2021 | 11 | 13 |
| 2022 | 9 | 4 |
| 2023 | 12 | 6 |
| 2024 | 4 | 3 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for transmitting control information in wireless communication systems3 Feb 2026US 12,543,180 B2Electronics and Telecommunications Research Institute
- Method and apparatus for sequence distributing and sequence processing in communication system9 Dec 2025US 12,494,883 B2Huawei Technologies Co., Ltd.
- Modulation and equalization in an orthonormal time-shifting communications system29 Jul 2025US 12,375,336 B2Cohere Technologies, Inc.
- Providing service support extension data with point cloud file data1 Apr 2025US 12,267,382 B2Tencent Technology (Shenzhen) Company Limited
- Signal generation method, transmission device, reception method, and reception device18 Mar 2025US 12,255,710 B2Sun Patent Trust
- Communication apparatus, communication system, communication method, and computer-readable storage medium6 Nov 2025US 2025/0344105 A1Sigcode, Inc.
- Signal generation method, transmission device, reception method, and reception device5 Jun 2025US 2025/0183953 A1Sun Patent Trust
- Modulation and equalization in an orthonormal time-shifting communications system25 Jul 2024US 2024/0250859 A1Cohere Technologies, Inc.
- Signal generation method, transmission device, reception method, and reception device30 May 2024US 2024/0178891 A1Sun Patent Trust
- Method for transmitting control information in wireless communication systems1 Feb 2024US 2024/0040569 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- System and method for generating signal waveforms in a CDMA cellular telephone system404US 5,416,797 AQUALCOMM Incorporated · 1995
- System and method for generating signal waveforms in a CDMA cellular telephone system359US 5,309,474 AQUALCOMM Incorporated · 1994
- Method and apparatus for the formatting of data for transmission285US 5,504,773 AQUALCOMM Incorporated · 1996
- System and method for generating signal waveforms in a CDMA cellular telephone system202US 5,943,361 AQUALCOMM Incorporated · 1999