H04L 69/323
In the physical layer [osi layer 1]
Official title: in the physical layer [OSI layer 1]
H04L69/323 (In the physical layer [osi layer 1]) appears on 1,100 US grants and 1,151 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,100
- Published applications
- 1,151
- Assignees
- 363
- Inventors
- 1,874
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 19 | 0 |
| 2001 | 8 | 4 |
| 2002 | 15 | 30 |
| 2003 | 18 | 30 |
| 2004 | 27 | 43 |
| 2005 | 21 | 34 |
| 2006 | 21 | 12 |
| 2007 | 18 | 25 |
| 2008 | 18 | 22 |
| 2009 | 23 | 21 |
| 2010 | 25 | 33 |
| 2011 | 22 | 13 |
| 2012 | 18 | 37 |
| 2013 | 32 | 35 |
| 2014 | 33 | 36 |
| 2015 | 42 | 40 |
| 2016 | 56 | 85 |
| 2017 | 51 | 95 |
| 2018 | 83 | 105 |
| 2019 | 97 | 77 |
| 2020 | 103 | 94 |
| 2021 | 79 | 64 |
| 2022 | 67 | 46 |
| 2023 | 68 | 47 |
| 2024 | 42 | 37 |
| 2025 | 31 | 36 |
| 2026 | 12 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Access point apparatus, station apparatus, and radio communication system21 Jul 2026US 12,689,580 B2Sharp Kabushiki Kaisha
- Bus protocol for multiple chipsets14 Jul 2026US 12,681,882 B2
- Multi-mode line driver circuit for the physical layer of a network connection, particularly of an ethernet communication, supporting different signal levels for different communication standards30 Jun 2026US 12,671,754 B2Siliconally GmbH
- Correlating network and physical layer activities23 Jun 2026US 12,665,624 B2ISCO International, LLC
- Configuring a preamble for trigger-based protocol data unit16 Jun 2026US 12,659,801 B2Apple Inc.
- Wireless communication method and communication device1 Oct 2026US 2026/0303714 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Signaling designs enabling unequal modulation transmission on spatial streams in wireless communications17 Sep 2026US 2026/0281215 A1Mediatek Inc.
- Method of triggering coordinated spatial reuse or coordinated beamforming in wi-fi communications27 Aug 2026US 2026/0254492 A1Huawei Technologies Co., Ltd.
- Ethernet collision detection27 Aug 2026US 2026/0254675 A1Infineon Technologies AG
- Transmission device, transmission method, reception device, and reception method27 Aug 2026US 2026/0254764 A1Saturn Licensing LLC
Most cited
By later US patents
- Method for sending packets between trunk ports of network switches278US 6,104,696 ABroadcom Corporation · 2000
- Structure cabling system267US 6,473,608 B1PowerDsine, Ltd. · 2002
- Home multimedia network architecture250US 6,005,861 ASamsung Electronics Co., Ltd. · 1999
- Method and system for service-enablement gateway and its service portal223US 6,920,615 B1Verizon Corporate Services Group Inc. · 2005
- Power management system217US 8,674,823 B1Plug ID, LLC. · 2014