H04L 2101/622
Layer-2 addresses
Official title: Layer-2 addresses, e.g. medium access control [MAC] addresses
H04L2101/622 (Layer-2 addresses) appears on 3,543 US grants and 3,918 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,543
- Published applications
- 3,918
- Assignees
- 946
- Inventors
- 6,466
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 16 | 0 |
| 2001 | 21 | 12 |
| 2002 | 15 | 30 |
| 2003 | 14 | 20 |
| 2004 | 13 | 47 |
| 2005 | 18 | 73 |
| 2006 | 16 | 46 |
| 2007 | 29 | 65 |
| 2008 | 38 | 73 |
| 2009 | 39 | 71 |
| 2010 | 82 | 65 |
| 2011 | 70 | 53 |
| 2012 | 61 | 69 |
| 2013 | 60 | 135 |
| 2014 | 96 | 128 |
| 2015 | 126 | 176 |
| 2016 | 165 | 319 |
| 2017 | 239 | 385 |
| 2018 | 290 | 320 |
| 2019 | 355 | 325 |
| 2020 | 352 | 337 |
| 2021 | 326 | 351 |
| 2022 | 340 | 247 |
| 2023 | 265 | 201 |
| 2024 | 217 | 164 |
| 2025 | 167 | 137 |
| 2026 | 75 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Network that handles conflicting locally administered addresses29 Sep 2026US 12,750,337 B2Cisco Technology, Inc.
- Providing dual-homed, active-active devices on network fabrics15 Sep 2026US 12,739,202 B2Cisco Technology, Inc.
- Method for exchanging a first sensor with a second sensor15 Sep 2026US 12,739,225 B2Endress+Hauser Conducta GmbH+Co. KG
- Automated scalable identity-proofing and authentication process15 Sep 2026US 12,739,243 B2Vercrio, Inc.
- Media Access Control (MAC) randomized bonjour servers identification and policy application8 Sep 2026US 12,732,497 B2Hewlett Packard Enterprise Development LP
- Mac address acquisition method and apparatus, device, and storage medium8 Oct 2026US 2026/0312931 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Semiconductor device and method for driving the same8 Oct 2026US 2026/0312932 A1Renesas Electronics Corporation
- Methods and apparatus for identifier configuration1 Oct 2026US 2026/0303447 A1Nokia Technologies Oy
- Video conferencing system, and method and apparatus for automatically restoring linkage for device thereof17 Sep 2026US 2026/0280919 A1Yealink (Xiamen) Network Technology Co., Ltd.
- Method for establishing multi-link association, and device10 Sep 2026US 2026/0271111 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
Most cited
By later US patents
- Universal access multimedia data network693US 5,790,548 ABell Atlantic Network Services, Inc. · 1998
- Universal access multimedia data network497US 6,452,925 B1Verizon Services Corp. · 2002
- Enclosed transceiver404US 5,448,110 AMicron Communications, Inc. · 1995
- Duplicate network address detection370US 7,246,272 B2International Business Machines Corporation · 2007
- Visual identification information used as confirmation in a wireless communication365US 8,090,616 B22012