H04J 3/0658
Clock or time synchronisation among packet nodes
Official title: {Clock or time synchronisation among packet nodes}
H04J3/0658 (Clock or time synchronisation among packet nodes) appears on 2,717 US grants and 3,041 published applications in this corpus.
Search patents in H04J- Granted patents
- 2,717
- Published applications
- 3,041
- Assignees
- 900
- Inventors
- 4,880
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 4 |
| 2002 | 13 | 29 |
| 2003 | 15 | 42 |
| 2004 | 15 | 49 |
| 2005 | 18 | 45 |
| 2006 | 44 | 68 |
| 2007 | 33 | 60 |
| 2008 | 37 | 60 |
| 2009 | 50 | 62 |
| 2010 | 63 | 101 |
| 2011 | 74 | 96 |
| 2012 | 81 | 114 |
| 2013 | 97 | 146 |
| 2014 | 129 | 135 |
| 2015 | 158 | 151 |
| 2016 | 151 | 189 |
| 2017 | 160 | 121 |
| 2018 | 156 | 125 |
| 2019 | 175 | 142 |
| 2020 | 139 | 184 |
| 2021 | 170 | 184 |
| 2022 | 179 | 199 |
| 2023 | 187 | 218 |
| 2024 | 187 | 223 |
| 2025 | 203 | 184 |
| 2026 | 115 | 110 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for synchronizing device clocks6 Oct 2026US 12,756,491 B2Bose Corporation
- Communication apparatus, control method for communication apparatus, and storage medium29 Sep 2026US 12,750,147 B2Canon Kabushiki Kaisha
- Communication system with enhanced user datagram protocol support for precision time protocol29 Sep 2026US 12,750,148 B2Outdoor Wireless Networks LLC
- Apparatus and method for two-way delay error compensation in communication system29 Sep 2026US 12,750,149 B2Electronics and Telecommunications Research Institute
- Circuitry and method for quantization error correction for time synchronization22 Sep 2026US 12,743,122 B2Advanced Micro Devices, Inc.
- Communication method and apparatus8 Oct 2026US 2026/0312710 A1Huawei Technologies Co., Ltd.
- Time synchronization techniques8 Oct 2026US 2026/0312711 A1Dell Products L. P.
- Small form-factor pluggable device8 Oct 2026US 2026/0312903 A1Schweitzer Engineering Laboratories, Inc.
- Sensing-based clock synchronization8 Oct 2026US 2026/0313614 A1QUALCOMM Incorporated
- Secondary reference time validation1 Oct 2026US 2026/0303245 A1Nokia Solutions and Networks Oy
Most cited
By later US patents
- System and method for synchronizing operations among a plurality of independently clocked digital data processing devices1,949US 8,234,395 B2Sonos, Inc. · 2012
- System for synchronizing a plurality of nodes to concurrently generate output signals by adjusting relative timelags based on a maximum estimated timelag1,773US 5,923,902 AYamaha Corporation · 1999
- Distributed remote monitoring (dRMON) for networks500US 6,108,782 A3Com Corporation · 2000
- System and method for synchronizing time across a computer cluster404US 6,199,169 B1Compaq Computer Corporation · 2001
- Method and apparatus for removing jitter and correcting timestamps in a packet stream358US 5,640,388 AScientific-Atlanta, Inc. · 1997