H04Q 2011/0043
Fault tolerance
Official title: {Fault tolerance}
H04Q2011/0043 (Fault tolerance) appears on 247 US grants and 204 published applications in this corpus.
Search patents in H04Q- Granted patents
- 247
- Published applications
- 204
- Assignees
- 119
- Inventors
- 566
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 6 |
| 2002 | 9 | 33 |
| 2003 | 22 | 16 |
| 2004 | 17 | 23 |
| 2005 | 19 | 7 |
| 2006 | 17 | 11 |
| 2007 | 9 | 3 |
| 2008 | 7 | 7 |
| 2009 | 2 | 0 |
| 2010 | 3 | 1 |
| 2011 | 4 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 4 |
| 2015 | 4 | 5 |
| 2016 | 10 | 14 |
| 2017 | 12 | 12 |
| 2018 | 9 | 6 |
| 2019 | 10 | 11 |
| 2020 | 6 | 6 |
| 2021 | 7 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 7 |
| 2024 | 6 | 10 |
| 2025 | 7 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser sparing architectures for multi-wavelength laser arrays6 Oct 2026US 12,754,377 B2NVIDIA Corporation
- Quantum computer with selectable coupling between logical qubits25 Aug 2026US 12,717,559 B2Psiquantum, Corp.
- Systems and methods for resilient switch devices23 Jun 2026US 12,665,839 B2Mellanox Technologies, Ltd.
- System and method for traffic distribution with optical switch16 Dec 2025US 12,500,665 B2Rakuten Mobile, Inc.
- Submarine optical cable system16 Dec 2025US 12,500,670 B2NEC Corporation
- Prioritizing Optical Routes for Restoration Based on Failure Impact on an IP Layer27 Aug 2026US 2026/0254528 A1Ciena Corporation
- Method and System for Co-Packaged Optics20 Aug 2026US 2026/0247054 A1NEWPHOTONICS Ltd.
- Redundant laser source for optical systems2 Oct 2025US 2025/0310667 A1Mellanox Technologies, Ltd.
- Laser sparing architectures for multi-wavelength laser arrays12 Jun 2025US 2025/0189864 A1NVIDIA Corporation
- Yield enhancement techniques for photonic communications platform23 Jan 2025US 2025/0028130 A1Lightmatter, Inc.
Most cited
By later US patents
- Method and apparatus for identifying and tracking connections of communication lines294US 6,002,331 A1999
- Distributed telecommunications switching system240US 5,495,484 ADSC Communications Corporation · 1996
- Photonic home area network fiber/power insertion apparatus143US 5,778,116 A1998
- Optical cross-connect switch with integrated optical signal tap128US 6,668,108 B1Calient Networks, Inc. · 2003
- Large fault tolerant packet switch particularly suited for asynchronous transfer mode (ATM) communication122US 5,130,984 ABell Communications Research, Inc. · 1992