H04L 12/04
Switchboards
H04L12/04 (Switchboards) appears on 34 US grants and 31 published applications in this corpus.
Search patents in H04L- Granted patents
- 34
- Published applications
- 31
- Assignees
- 23
- Inventors
- 66
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 7 |
| 2017 | 3 | 3 |
| 2018 | 0 | 1 |
| 2019 | 4 | 4 |
| 2020 | 3 | 4 |
| 2021 | 2 | 0 |
| 2022 | 4 | 0 |
| 2023 | 1 | 3 |
| 2024 | 3 | 1 |
| 2025 | 5 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data transmission method, data transmission device, and storage medium24 Mar 2026US 12,587,482 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Modular system (switch boards and mid-plane) for supporting 50G or 100G ethernet speeds of FPGA+SSD17 Feb 2026US 12,556,417 B2Samsung Electronics Co., Ltd.
- Modular system (switch boards and mid-plane) for supporting 50G or 100G ethernet speeds of FPGA+SSD18 Nov 2025US 12,476,832 B2Samsung Electronics Co., Ltd.
- Modular system (switch boards and mid-plane) for supporting 50G or 100G ethernet speeds of FPGA+SSD16 Sep 2025US 12,418,429 B2Samsung Electronics Co., Ltd.
- Modular system (switch boards and mid-plane) for supporting 50G or 100G ethernet speeds of FPGA+SSD17 Jun 2025US 12,335,054 B2Samsung Electronics Co., Ltd.
- Communication Unit for a Communication System12 Feb 2026US 2026/0046153 A1ABB Schweiz AG
- Data transmission method, data transmission device, and storage medium26 Sep 2024US 2024/0323127 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Authentication device, network device, communication system, authentication method, and non-transitory computer readable medium6 Apr 2023US 2023/0108376 A1NEC Corporation
- Modular system (switchboards and mid-plane) for supporting 50g or 100g ethernet speeds of fpga+ssd23 Mar 2023US 2023/0085624 A1Samsung Electronics Co., Ltd.
- Adaptive backoff time in power-over-ethernet detection cycles9 Feb 2023US 2023/0038813 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Support for converged fiber channel over ethernet (FCoE) traffic on software defined networks (SDNs)109US 9,641,249 B2Lenovo Enterprise Solutions (Singapore) Pte.Ltd. · 2017
- Provisioning a shared secret to a portable electronic device and to a service entity42US 9,209,980 B2BlackBerry Limited · 2015
- Secure information transmitting system and method for personal identity authentication5US 10,333,721 B2Coinplug, Inc. · 2019
- Personal digital identity device with motion sensor responsive to user interaction5US 9,436,165 B2Tyfone, Inc. · 2016
- Method and service-providing server for secure transmission of user-authenticating information4US 10,594,498 B2Coinplug, Inc. · 2020