H04L 12/40084
Bus arbitration
Official title: {Bus arbitration}
H04L12/40084 (Bus arbitration) appears on 106 US grants and 84 published applications in this corpus.
Search patents in H04L- Granted patents
- 106
- Published applications
- 84
- Assignees
- 59
- Inventors
- 160
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 9 |
| 2003 | 3 | 10 |
| 2004 | 7 | 6 |
| 2005 | 4 | 3 |
| 2006 | 4 | 1 |
| 2007 | 3 | 0 |
| 2008 | 5 | 3 |
| 2009 | 2 | 3 |
| 2010 | 1 | 0 |
| 2011 | 2 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 3 |
| 2014 | 5 | 4 |
| 2015 | 3 | 1 |
| 2016 | 3 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 5 | 1 |
| 2020 | 1 | 5 |
| 2021 | 1 | 7 |
| 2022 | 7 | 7 |
| 2023 | 7 | 6 |
| 2024 | 9 | 3 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of autoconfiguration of communication network17 Jun 2025US 12,335,103 B2Melexis Technologies SA
- Signaling of time for communication between integrated circuits using multi-drop bus22 Apr 2025US 12,284,054 B2Apple Inc.
- Method for communication between a first passive subscriber and a second passive subscriber of a bus system28 Jan 2025US 12,212,433 B2Beckhoff Automation GmbH
- Anomaly handling method and anomaly handling device10 Sep 2024US 12,083,971 B2Panasonic Intellectual Property Corporation of America
- Methods for arbitrating the role of bus master among a plurality of host devices30 Jul 2024US 12,052,116 B1Persimmons, Inc.
- Ethernet collision detection27 Aug 2026US 2026/0254675 A1Infineon Technologies AG
- Methods for arbitrating the role of bus master among a plurality of host devices2 Oct 2025US 2025/0310150 A1Persimmons, Inc.
- Signaling of time for communication between integrated circuits using multi-drop bus3 Jul 2025US 2025/0219867 A1Apple Inc.
- Anomaly handling method and anomaly handling device28 Nov 2024US 2024/0391401 A1Panasonic Intellectual Property Corporation of America
- Signaling of time for communication between integrated circuits using multi-drop bus21 Mar 2024US 2024/0097937 A1Apple Inc.
Most cited
By later US patents
- Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost168US 6,614,796 B1Gadzoox Networks, Inc. · 2003
- Methods and apparatus for bus access arbitration of nodes organized into acyclic directed graph by cyclic token passing and alternatively propagating request to root node and grant signal to the child node135US 5,630,173 AApple Computer, Inc. · 1997
- Fiber channel learning bridge, learning half bridge, and protocol128US 5,978,379 AGadzoox Networks, Inc. · 1999
- Token style arbitration on a serial bus by passing an unrequested bus grand signal and returning the token by a token refusal signal107US 5,784,648 AApple Computer, Inc. · 1998
- Method and apparatus for accelerating arbitration in a serial bus by detection of acknowledge packets106US 5,495,481 AApple Computer, Inc. · 1996