G01K 11/322
Using brillouin scattering
Official title: using Brillouin scattering
G01K11/322 (Using brillouin scattering) appears on 102 US grants and 137 published applications in this corpus.
Search patents in G01K- Granted patents
- 102
- Published applications
- 137
- Assignees
- 72
- Inventors
- 242
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 3 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 4 | 6 |
| 2015 | 2 | 6 |
| 2016 | 3 | 8 |
| 2017 | 10 | 15 |
| 2018 | 13 | 10 |
| 2019 | 10 | 9 |
| 2020 | 13 | 7 |
| 2021 | 3 | 12 |
| 2022 | 6 | 10 |
| 2023 | 6 | 10 |
| 2024 | 10 | 13 |
| 2025 | 6 | 7 |
| 2026 | 5 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Measuring device, measuring method, and computer-readable recording medium8 Sep 2026US 12,730,034 B2Yokogawa Electric Corporation
- Brillouin sensing using polarization pulling25 Aug 2026US 12,716,756 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Temperature measuring device and temperature measuring method16 Jun 2026US 12,656,190 B2Toyota School Foundation
- Measurement device for measuring temperature or distortion of an optical fiber, method of adjusting measurement device, and measurement method for measuring temperature of distortion of an optical fiber12 May 2026US 12,624,972 B2National University Corporation Tokyo University of Agriculture and Technology
- Method for determining distributed birefringence variations in a polarization-maintaining optical fiber20 Jan 2026US 12,529,623 B2Huawei Technologies Canada Co., Ltd.
- Optical measurement system and optical measurement method30 Jul 2026US 2026/0219117 A1NTT, Inc.
- Optical fiber characteristic measurement device and optical fiber characteristic measurement method7 May 2026US 2026/0126345 A1Yokogawa Electric Corporation
- Optical fiber characteristic measurement system and humidity measurement method9 Apr 2026US 2026/0098765 A1Yokogawa Electric Corporation
- Optical fiber characteristic measurement system and humidity measurement method9 Apr 2026US 2026/0098805 A1Yokogawa Electric Corporation
- Systems and methods for determining composite conductor parameters using optical fibers30 Oct 2025US 2025/0336566 A1TS Conductor Corp.
Most cited
By later US patents
- Distributed optical fiber sensor17US 8,699,009 B2Neubrex Co., Ltd. · 2014
- Distributed Brillouin sensor system based on DFB lasers using offset locking15US 7,499,151 B2University of Ottawa · 2009
- Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable14US 8,953,915 B2Prysmian S P A. · 2015
- Physical quantity measuring method using Brillouin optical fiber sensor11US 7,227,123 B2Korea Advanced Institute of Science and Technology · 2007
- Optical health monitoring for aircraft overheat and fire detection systems10US 10,112,726 B2Kidde Technologies, Inc. · 2018