H04L 12/40052
High-speed ieee 1394 serial bus
Official title: {High-speed IEEE 1394 serial bus (bus transfer protocol on a daisy chain bus using an embedded synchronisation G06F13/426)}
H04L12/40052 (High-speed ieee 1394 serial bus) appears on 1,501 US grants and 1,153 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,501
- Published applications
- 1,153
- Assignees
- 419
- Inventors
- 2,203
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 29 | 0 |
| 1999 | 46 | 0 |
| 2000 | 53 | 0 |
| 2001 | 78 | 56 |
| 2002 | 82 | 88 |
| 2003 | 100 | 86 |
| 2004 | 109 | 85 |
| 2005 | 82 | 95 |
| 2006 | 94 | 69 |
| 2007 | 67 | 49 |
| 2008 | 65 | 40 |
| 2009 | 53 | 32 |
| 2010 | 64 | 19 |
| 2011 | 50 | 21 |
| 2012 | 24 | 8 |
| 2013 | 14 | 20 |
| 2014 | 35 | 26 |
| 2015 | 22 | 22 |
| 2016 | 17 | 24 |
| 2017 | 28 | 48 |
| 2018 | 37 | 32 |
| 2019 | 36 | 32 |
| 2020 | 32 | 50 |
| 2021 | 31 | 63 |
| 2022 | 65 | 63 |
| 2023 | 64 | 45 |
| 2024 | 53 | 32 |
| 2025 | 37 | 27 |
| 2026 | 12 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 12/40117Interconnection of audio or video/imaging devices552
- H04L 12/40058Isochronous transmission383
- H04L 12/40071Packet processing286
- H04L 12/40078Bus configuration212
- H04L 12/40123Interconnection of computers and peripherals170
- H04L 12/40065Bandwidth and channel allocation154
- H04L 12/40091Bus bridging154
- H04L 12/40104Security134
All 10 subgroupsShow fewer
Recent patents
- Security terminal system capable of performing high-speed security processing29 Sep 2026US 12,750,253 B2RANIX. Inc.
- Methods, systems, and devices for simulating a connection between a vehicle connector and an accessory system15 Sep 2026US 12,739,150 B2Toyota Jidosha Kabushiki Kaisha
- Low latency serial bus25 Aug 2026US 12,719,715 B2Texas Instruments Incorporated
- Metadata exchange involving a networked playback system and a networked microphone system4 Aug 2026US 12,699,543 B2Sonos, Inc.
- Protocol for autoconfiguration of communication network4 Aug 2026US 12,701,030 B2Melexis Technologies SA
- Secret sharing control device, in-vehicle device, in-vehicle system, secret sharing control method, and computer program1 Oct 2026US 2026/0303331 A1Autonetworks Technologies, Ltd.
- Communication System and Method24 Sep 2026US 2026/0291878 A1LG Energy Solution, Ltd.
- Dynamic isochronous parameter updates for bluetooth low energy communication links24 Sep 2026US 2026/0292540 A1QUALCOMM Incorporated
- System and methods for securing controller area network using interframe spacing17 Sep 2026US 2026/0280932 A1
- Enumeration method for automatically determining an object identifier of a first network node of a can bus having several network nodes10 Sep 2026US 2026/0270108 A1Sonnen GmbH
Most cited
By later US patents
- Reference time distribution over a network1,680US 8,014,423 B2SMSC Holdings S.A.R.L. · 2011
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management720US 6,658,568 B1Intertrust Technologies Corporation · 2003
- Systems and methods using cryptography to protect secure computing environments603US 6,157,721 AIntertrust Technologies Corporation · 2000
- System having independently addressable bus interfaces coupled to serially connected multi-ported signal distributors generating and maintaining frame based polling schedule favoring isochronous peripherals478US 5,615,404 AIntel Corporation · 1997