H04L 9/0858
Details about key distillation or coding
Official title: {Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}
H04L9/0858 (Details about key distillation or coding) appears on 531 US grants and 595 published applications in this corpus.
Search patents in H04L- Granted patents
- 531
- Published applications
- 595
- Assignees
- 276
- Inventors
- 971
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 6 |
| 2004 | 6 | 16 |
| 2005 | 2 | 14 |
| 2006 | 2 | 16 |
| 2007 | 11 | 32 |
| 2008 | 14 | 17 |
| 2009 | 14 | 18 |
| 2010 | 24 | 18 |
| 2011 | 20 | 15 |
| 2012 | 21 | 13 |
| 2013 | 18 | 6 |
| 2014 | 12 | 7 |
| 2015 | 10 | 20 |
| 2016 | 19 | 24 |
| 2017 | 16 | 24 |
| 2018 | 22 | 26 |
| 2019 | 31 | 30 |
| 2020 | 28 | 40 |
| 2021 | 41 | 31 |
| 2022 | 49 | 48 |
| 2023 | 29 | 37 |
| 2024 | 51 | 51 |
| 2025 | 40 | 43 |
| 2026 | 35 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for ongoing spectral feedback and control during quantum key distribution using data analysis1 Sep 2026US 12,725,069 B2
- Single-photon transmission determination1 Sep 2026US 12,726,277 B2Arqit Limited
- Systems and methods for practical quantum position-based key exchange1 Sep 2026US 12,726,342 B2JPMorgan Chase Bank, N. A.
- Method and a device for carrier recovery25 Aug 2026US 12,719,584 B2Fundació Institut De CièNcies FotòNiques
- Operating a layered quantum networking environment with entanglement swap operations25 Aug 2026US 12,719,586 B2Aliro Technologies, Inc.
- Method and system for error correction in quantum cryptography communication8 Oct 2026US 2026/0312796 A1Korea University Research and Business Foundation
- Method for single-photon pair-based one-way and one-step quantum direct communication, and device therefor3 Sep 2026US 2026/0261410 A1LG Electronics Inc.
- Joint modular multiplicative inverse operations for active volume quantum computing27 Aug 2026US 2026/0254625 A1Psiquantum, Corp.
- Quantum key distribution system, transmitter, receiver and method20 Aug 2026US 2026/0246625 A1Telefonaktiebolaget LM Ericsson (publ)
- System for distributing quantum keys using correction of the polarization of photons13 Aug 2026US 2026/0238352 A1
Most cited
By later US patents
- System and method for communication using orbital angular momentum with multiple layer overlay modulation160US 9,077,577 B12015
- Quantum key distribution using non-orthogonal macroscopic signals128US 5,515,438 AInternational Business Machines Corporation · 1996
- Method for key distribution using quantum cryptography122US 5,764,765 ABritish Telecommunications Public Ltd.Co. · 1998
- Method and apparatus for free-space quantum key distribution in daylight115US 6,748,083 B2The Regents of the University of California · 2004
- Systems and methods for implementing path length control for quantum cryptographic systems108US 7,627,126 B1BBN Technologies Corp. · 2009