H04L 9/0877
Using additional device
Official title: {using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]}
H04L9/0877 (Using additional device) appears on 1,145 US grants and 1,308 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,145
- Published applications
- 1,308
- Assignees
- 494
- Inventors
- 2,388
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 10 |
| 2003 | 4 | 10 |
| 2004 | 4 | 7 |
| 2005 | 2 | 16 |
| 2006 | 4 | 11 |
| 2007 | 4 | 15 |
| 2008 | 2 | 16 |
| 2009 | 6 | 15 |
| 2010 | 15 | 13 |
| 2011 | 7 | 15 |
| 2012 | 15 | 27 |
| 2013 | 24 | 46 |
| 2014 | 28 | 39 |
| 2015 | 49 | 51 |
| 2016 | 45 | 49 |
| 2017 | 52 | 64 |
| 2018 | 52 | 67 |
| 2019 | 86 | 108 |
| 2020 | 87 | 120 |
| 2021 | 128 | 160 |
| 2022 | 114 | 110 |
| 2023 | 122 | 108 |
| 2024 | 102 | 87 |
| 2025 | 112 | 74 |
| 2026 | 56 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Implementing cryptographically protected sessions in distributed computing system29 Sep 2026US 12,750,236 B2Google Inc.
- Securing dynamic host control protocol22 Sep 2026US 12,744,676 B1Amazon Technologies, Inc.
- Methods and systems for estimating risk of enterprise application for quantum cryptography migration15 Sep 2026US 12,737,479 B2Tata Consultancy Services Limited
- System and method supporting data residency requirement in cloud hosted hardware security modules8 Sep 2026US 12,732,357 B2Thales Dis Cpl USA, Inc.
- Secure key exchange in a multi-processor device8 Sep 2026US 12,732,358 B2Rambus Inc.
- Portable memory device configured for host device to manage access to digital assets8 Oct 2026US 2026/0312798 A1Solana Mobile Inc.
- Secure key component exchange1 Oct 2026US 2026/0303340 A1Entrust Corporation
- Secure provisioning of a programmable device17 Sep 2026US 2026/0278172 A1Secure Thingz Ltd.
- A cryptographic device17 Sep 2026US 2026/0278182 A1
- Security device computation matching17 Sep 2026US 2026/0280889 A1Lexmark International, Inc.
Most cited
By later US patents
- Authentication method and system with a smartcard449US 5,347,580 AInternational Business Machines Corporation · 1994
- Enhanced security for a secure token code432US 5,485,519 ASecurity Dynamics Technologies, Inc. · 1996
- Method and apparatus for performing concryption389US 5,479,512 ASecurity Dynamics Technologies, Inc. · 1995
- Authentication methods and apparatus utilizing hash chains285US 7,848,746 B2EMC Corporation · 2010
- Rubbing encryption algorithm and security attack safe OTP token259US 8,799,668 B22014