H04L 25/0272
Arrangements for coupling to multiple lines
Official title: {Arrangements for coupling to multiple lines, e.g. for differential transmission}
H04L25/0272 (Arrangements for coupling to multiple lines) appears on 2,490 US grants and 2,173 published applications in this corpus.
Search patents in H04L- Granted patents
- 2,490
- Published applications
- 2,173
- Assignees
- 694
- Inventors
- 3,647
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 12 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 22 | 0 |
| 1996 | 23 | 0 |
| 1997 | 20 | 0 |
| 1998 | 15 | 0 |
| 1999 | 22 | 0 |
| 2000 | 40 | 0 |
| 2001 | 55 | 14 |
| 2002 | 62 | 77 |
| 2003 | 75 | 61 |
| 2004 | 72 | 75 |
| 2005 | 61 | 83 |
| 2006 | 70 | 78 |
| 2007 | 82 | 88 |
| 2008 | 76 | 100 |
| 2009 | 87 | 88 |
| 2010 | 78 | 92 |
| 2011 | 96 | 108 |
| 2012 | 101 | 107 |
| 2013 | 109 | 78 |
| 2014 | 122 | 108 |
| 2015 | 130 | 103 |
| 2016 | 121 | 104 |
| 2017 | 113 | 76 |
| 2018 | 99 | 92 |
| 2019 | 117 | 97 |
| 2020 | 107 | 87 |
| 2021 | 108 | 88 |
| 2022 | 104 | 94 |
| 2023 | 65 | 75 |
| 2024 | 58 | 78 |
| 2025 | 85 | 72 |
| 2026 | 40 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Communication apparatus and communication system8 Sep 2026US 12,731,905 B2Canon Kabushiki Kaisha
- Transmitter comprising feed forward equalizer8 Sep 2026US 12,732,399 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Signal transmission device and signal transmission system1 Sep 2026US 12,726,187 B2Hitachi Astemo, Ltd.
- High speed amplifier circuit25 Aug 2026US 12,719,411 B2Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Fully-differential receiver for receiving conducted communication signals28 Jul 2026US 12,695,649 B2Pacesetter, Inc.
- Differential envelope detector circuit with common mode noise suppression8 Oct 2026US 2026/0312844 A1Infineon Technologies AG
- Serdes transmitter and receiver utilizing single frequency phase amplitude modulation17 Sep 2026US 2026/0280545 A1Texas Milkyway Inc.
- Communication interface circuit supporting communication link change and method of operating same17 Sep 2026US 2026/0280943 A1Samsung Electronics Co., Ltd.
- Method for selecting symbols and data communication system using the selected symbols27 Aug 2026US 2026/0254683 A1Leading Ui Co., Ltd.
- Configurable equalizing stage with embedded variable gain13 Aug 2026US 2026/0238172 A1Marvell Asia Pte Ltd
Most cited
By later US patents
- Semiconductor device and data processing system418US 8,351,292 B2Elpida Memory, Inc. · 2013
- Integrated circuit communication techniques258US 7,439,773 B2cASIC Corporation · 2008
- Differential signal transmission circuit244US 6,208,161 B1Advantest Corporation · 2001
- Method and apparatus for receiving high speed signals with low latency243US 6,396,329 B1Rambus Inc. · 2002
- Apparatus and method for multilevel signaling235US 6,005,895 ARambus Inc. · 1999