H04J 3/0679
By determining clock distribution path in a network
Official title: {by determining clock distribution path in a network}
H04J3/0679 (By determining clock distribution path in a network) appears on 134 US grants and 116 published applications in this corpus.
Search patents in H04J- Granted patents
- 134
- Published applications
- 116
- Assignees
- 90
- Inventors
- 318
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 3 | 1 |
| 2005 | 0 | 1 |
| 2006 | 5 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 8 |
| 2009 | 0 | 6 |
| 2010 | 2 | 6 |
| 2011 | 4 | 8 |
| 2012 | 7 | 1 |
| 2013 | 4 | 3 |
| 2014 | 6 | 2 |
| 2015 | 4 | 6 |
| 2016 | 1 | 1 |
| 2017 | 4 | 6 |
| 2018 | 2 | 7 |
| 2019 | 8 | 5 |
| 2020 | 3 | 5 |
| 2021 | 7 | 12 |
| 2022 | 13 | 12 |
| 2023 | 12 | 9 |
| 2024 | 6 | 3 |
| 2025 | 8 | 8 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for synchronizing device clocks6 Oct 2026US 12,756,491 B2Bose Corporation
- Per-port data security bypass for network devices18 Aug 2026US 12,712,853 B2Arista Networks, Inc.
- Asymmetric delay compensation11 Aug 2026US 12,706,844 B2Net Insight AB
- Time synchronization method, first node, second node, and network17 Feb 2026US 12,557,047 B2Zte Corporation
- Method of cable redundacy and distributed clock synchronization based on ethercat and master device thereof23 Dec 2025US 12,506,683 B2Delta Electronics, Inc.
- Per-Port Data Security Bypass For Network Devices25 Dec 2025US 2025/0392620 A1Arista Networks, Inc.
- Transmitting clock signals in network packets18 Dec 2025US 2025/0385744 A1Amazon Technologies, Inc.
- Obtaining secure time over a heterogeneous network13 Nov 2025US 2025/0350391 A1Itron, Inc.
- Time-of-day correction for network clock protocol6 Nov 2025US 2025/0343615 A1Marvell Asia Pte Ltd
- Timestamping of multilane protocols25 Sep 2025US 2025/0300753 A1Arista Networks, Inc.
Most cited
By later US patents
- Method and apparatus for synchronized communication over wireless backbone architecture171US 5,875,179 AProxim, Inc. · 1999
- Voice gateway with downstream voice synchronization83US 7,023,868 B2Broadcom Corporation · 2006
- System for mutual synchronization and monitoring between base stations82US 5,448,570 AKYOCERA Corporation · 1995
- Method and apparatus for synchronizing timing among radio ports in wireless communications systems using hierarchical scheme81US 5,363,375 ABell Communications Research, Inc. · 1994
- Time synchronization of control networks68US 4,939,753 ARosemount Inc. · 1990