H04L 49/1576
Crossbar or matrix
Official title: {Crossbar or matrix}
H04L49/1576 (Crossbar or matrix) appears on 240 US grants and 63 published applications in this corpus.
Search patents in H04L- Granted patents
- 240
- Published applications
- 63
- Assignees
- 107
- Inventors
- 374
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 17 | 0 |
| 1997 | 11 | 0 |
| 1998 | 19 | 0 |
| 1999 | 29 | 0 |
| 2000 | 18 | 0 |
| 2001 | 12 | 3 |
| 2002 | 10 | 14 |
| 2003 | 9 | 3 |
| 2004 | 11 | 0 |
| 2005 | 3 | 7 |
| 2006 | 15 | 3 |
| 2007 | 4 | 1 |
| 2008 | 2 | 2 |
| 2009 | 5 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 1 |
| 2016 | 2 | 3 |
| 2017 | 4 | 2 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 4 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- L1 replicator and switch combination using optical fabric29 Sep 2026US 12,750,328 B2Morgan Stanley Services Group Inc.
- L1 replicator and switch combination8 Jul 2025US 12,355,678 B2Morgan Stanley Services Group Inc.
- L1 replicator and switch combination24 Dec 2024US 12,177,132 B1Morgan Stanley Services Group Inc.
- Low latency compact Clos network controller30 May 2023US 11,665,111 B2Intel Corporation
- Spraying for unequal link connections in an internal switch fabric26 Apr 2022US 11,316,796 B2Juniper Networks, Inc.
- L1 replicator and switch combination using optical fabric23 Oct 2025US 2025/0330431 A1Morgan Stanley Services Group Inc.
- Computing system and data transport system1 May 2025US 2025/0141817 A1Mediatek Inc.
- L1 replicator and switch combination27 Mar 2025US 2025/0106173 A1Morgan Stanley Services Group Inc.
- Low latency compact clos network controller13 Jan 2022US 2022/0014482 A1Intel Corporation
- Spraying for unequal link connections in an internal switch fabric1 Jul 2021US 2021/0203612 A1Juniper Networks, Inc.
Most cited
By later US patents
- Intra-switch communications in narrow band ATM networks314US 5,428,607 AAT&T Corp. · 1995
- Allocated and dynamic bandwidth management278US 5,748,629 AFujitsu Limited · 1998
- ATM networks for narrow band communications248US 5,422,882 AAT&T Corp. · 1995
- Access switches for large ATM networks246US 5,452,297 AAT&T Corp. · 1995
- Fair prioritized scheduling in an input-buffered switch223US 5,517,495 AAT&T Corp. · 1996