H04L 9/3215
Using a plurality of channels
Official title: {using a plurality of channels (network architectures or network communication protocols using different networks H04L63/18)}
H04L9/3215 (Using a plurality of channels) appears on 721 US grants and 801 published applications in this corpus.
Search patents in H04L- Granted patents
- 721
- Published applications
- 801
- Assignees
- 387
- Inventors
- 1,674
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 6 |
| 2004 | 1 | 3 |
| 2005 | 1 | 8 |
| 2006 | 2 | 7 |
| 2007 | 2 | 11 |
| 2008 | 2 | 20 |
| 2009 | 2 | 15 |
| 2010 | 7 | 17 |
| 2011 | 17 | 31 |
| 2012 | 22 | 37 |
| 2013 | 32 | 47 |
| 2014 | 38 | 50 |
| 2015 | 36 | 33 |
| 2016 | 39 | 50 |
| 2017 | 45 | 34 |
| 2018 | 43 | 42 |
| 2019 | 45 | 68 |
| 2020 | 46 | 75 |
| 2021 | 69 | 74 |
| 2022 | 65 | 61 |
| 2023 | 78 | 50 |
| 2024 | 49 | 26 |
| 2025 | 48 | 24 |
| 2026 | 17 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Authentication response verification using qubits and quantum channel23 Jun 2026US 12,665,772 B2Telefonaktiebolaget LM Ericsson (publ)
- Identity authentication method based on covert channel, apparatus thereof and application thereof18 Jun 2026US 2026/0172252 A1Beijing Jiaotong University
- Communication method and apparatus18 Jun 2026US 2026/0172316 A1Huawei Technologies Co., Ltd.
- Systems and methods for enhanced device-bound passkey enrollment28 May 2026US 2026/0149584 A1Wells Fargo Bank, N. A.
- A cryptographic flow-based security protocol for aerospace communication2 Apr 2026US 2026/0095320 A1SpiderOak, Inc.
- Communication method and apparatus, and system12 Mar 2026US 2026/0074906 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Access control subsystem and method for distributed computer system using locally cached authentication credentials499US 5,235,642 ADigital Equipment Corporation · 1993
- Method for the secure distribution of electronic files in a distributed environment315US 5,638,446 ABell Communications Research, Inc. · 1997
- Method for secure user and transaction authentication and risk management297US 8,806,592 B2Authentify, Inc. · 2014
- Security device provisioning288US 8,510,816 B2SecureAuth Corporation · 2013
- System and method of fraud reduction287US 8,781,975 B2EMC Corporation · 2014