H04L 2209/72
Signcrypting, i.e. digital signing and encrypting simultaneously
H04L2209/72 (Signcrypting, i.e. digital signing and encrypting simultaneously) appears on 264 US grants and 255 published applications in this corpus.
Search patents in H04L- Granted patents
- 264
- Published applications
- 255
- Assignees
- 124
- Inventors
- 375
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 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 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 6 | 9 |
| 2014 | 7 | 21 |
| 2015 | 18 | 40 |
| 2016 | 32 | 36 |
| 2017 | 37 | 25 |
| 2018 | 31 | 23 |
| 2019 | 26 | 18 |
| 2020 | 20 | 16 |
| 2021 | 22 | 12 |
| 2022 | 14 | 12 |
| 2023 | 11 | 9 |
| 2024 | 20 | 6 |
| 2025 | 12 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for “machine-to-machine” (M2M) communications between modules, servers, and an application using public key infrastructure (PKI)3 Feb 2026US 12,542,660 B2Network-1 Technologies, Inc.
- Method and arrangement for the secure transmission of a message from a transmitter to a receiver23 Dec 2025US 12,506,593 B2Siemens Mobility GmbH
- Multi-array user authorization for cloud-based storage systems2 Dec 2025US 12,489,755 B2Pure Storage, Inc.
- Approximate homomorphic cryptographic operations25 Nov 2025US 12,483,383 B2International Business Machines Corporation
- Embedding protected memory access into a RFID authentication process based on a challenge-response mechanism4 Nov 2025US 12,463,834 B2Centro De Pesquisas Avancades Von Braun
- An authentication protocol for establishing a momentary trust zone during a login and operation procedure24 Sep 2026US 2026/0291749 A1
- Prevention of information leakage through signature16 Jul 2026US 2026/0205310 A1Oracle International Corporation
- Profile-based multi-array access for cloud-based storage systems29 Jan 2026US 2026/0032122 A1Pure Storage, Inc.
- Logic repository service using encrypted configuration data8 Jan 2026US 2026/0012442 A1Amazon Technologies, Inc.
- Set of Servers for "Machine-to-Machine" Communications Using Public Key Infrastructure2 Oct 2025US 2025/0310092 A1Network-1 Technologies, Inc.
Most cited
By later US patents
- Providing authorization and authentication in a cloud for a user of a storage array524US 9,300,660 B1Pure Storage, Inc. · 2016
- Storage array access control from cloud-based user authorization and authentication514US 9,444,822 B1Pure Storage, Inc. · 2016
- Authentication method and system186US 7,995,196 B1Tracer Detection Technology Corp. · 2011
- Public key cryptographic system using elliptic curves over rings79US 5,146,500 AOmnisec A.G. · 1992
- Key derivation for a module using an embedded universal integrated circuit card61US 9,319,223 B2M2M and IoT Technologies, LLC · 2016