H04L 9/008
Involving homomorphic encryption
Official title: {involving homomorphic encryption}
H04L9/008 (Involving homomorphic encryption) appears on 1,603 US grants and 2,150 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,603
- Published applications
- 2,150
- Assignees
- 553
- Inventors
- 2,931
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 11 |
| 2008 | 2 | 8 |
| 2009 | 3 | 6 |
| 2010 | 5 | 9 |
| 2011 | 7 | 17 |
| 2012 | 9 | 26 |
| 2013 | 22 | 39 |
| 2014 | 28 | 34 |
| 2015 | 41 | 74 |
| 2016 | 50 | 72 |
| 2017 | 54 | 72 |
| 2018 | 65 | 94 |
| 2019 | 73 | 118 |
| 2020 | 118 | 191 |
| 2021 | 122 | 214 |
| 2022 | 208 | 202 |
| 2023 | 201 | 262 |
| 2024 | 178 | 244 |
| 2025 | 220 | 262 |
| 2026 | 191 | 188 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Query information processing method for fully homomorphic encrypted database using plaintext index and computing device for performing the same6 Oct 2026US 12,755,048 B2Supergate Co., Ltd.
- Data encryption at a personal data sharing platform6 Oct 2026US 12,755,050 B2Tartle PBC
- Computation on encoded-and-encrypted values6 Oct 2026US 12,756,536 B2Zama SAS
- Anonymous data retrieval method, client and server6 Oct 2026US 12,756,537 B2Lenovo (Beijing) Limited
- Method, apparatus, electronic device, and readable storage medium for vertical federated learning6 Oct 2026US 12,756,540 B2Beijing Volcano Engine Technology Co., Ltd.
- Secure event transfer using homomorphic encryption8 Oct 2026US 2026/0312786 A1Samsung Electronics Co., Ltd.
- Homomorphic In-Network Computation8 Oct 2026US 2026/0312787 A1Mellanox Technologies, Ltd.
- Privacy protection system and method, medium, and device8 Oct 2026US 2026/0312788 A1Advanced Nova Technologies (Singapore) Holding Pte. Ltd.
- Autonomous computing system for digital asset redemption state control and synchronization of distributed ledger records8 Oct 2026US 2026/0312810 A1
- Key ceremony in multi-party computation8 Oct 2026US 2026/0312824 A1Blockdaemon Inc.
Most cited
By later US patents
- Bootstrappable homomorphic encryption method, computer program and apparatus158US 8,515,058 B1The Board of Trustees of the Leland Stanford Junior University · 2013
- Private aggregation of distributed time-series data102US 8,281,121 B2Microsoft Corporation · 2012
- Secure distributed computing using containers82US 9,800,517 B12017
- Efficient implementation of fully homomorphic encryption64US 8,565,435 B2International Business Machines Corporation · 2013
- Homomorphic cryptography on numerical values in digital computing60US 9,094,378 B1Google Inc. · 2015