G01J 2003/423
Spectral arrangements using lasers
Official title: {Spectral arrangements using lasers, e.g. tunable}
G01J2003/423 (Spectral arrangements using lasers) appears on 151 US grants and 166 published applications in this corpus.
Search patents in G01J- Granted patents
- 151
- Published applications
- 166
- Assignees
- 115
- Inventors
- 310
- Latest grant
- 29 Sep 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 5 | 10 |
| 2016 | 5 | 6 |
| 2017 | 9 | 10 |
| 2018 | 10 | 14 |
| 2019 | 10 | 13 |
| 2020 | 14 | 29 |
| 2021 | 20 | 28 |
| 2022 | 24 | 13 |
| 2023 | 16 | 13 |
| 2024 | 9 | 10 |
| 2025 | 10 | 2 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Tunable hybrid III-V/IV laser sensor system-on-a chip for real-time monitoring of a blood constituent concentration level18 Aug 2026US 12,708,293 B2Brolis Sensor Technology, UAB et al.
- Optical detection device, system, and method for omnidirectional photodetection7 Apr 2026US 12,596,032 B2Agency for Science, Technology and Research
- Light measuring device and method of manufacturing light measuring device24 Mar 2026US 12,584,792 B2Hamamatsu Photonics K.K.
- Dual comb spectroscopy under no-walking condition17 Mar 2026US 12,578,227 B2The Regents of the University of Colorado, a body corporate
- Apparatuses and methods for anomalous gas concentration detection3 Sep 2026US 2026/0259099 A1Bridger Photonics, Inc.
- Measurement device25 Jun 2026US 2026/0177429 A1Yokogawa Electric Corporation
- Gas absorption spectrometer, control program, and control method19 Feb 2026US 2026/0049867 A1Shimadzu Corporation
- Cavity Enhanced Absorption Spectroscopy using a piecewise tunable laser and hierarchical wavelength determination26 Jun 2025US 2025/0207975 A1Picarro, Inc.
- Aligning a laser and a waveguide using a spectral signature13 Feb 2025US 2025/0055260 A1DustPhotonics
Most cited
By later US patents
- Broadband or mid-infrared fiber light sources119US 7,519,253 B2Omni Sciences, Inc. · 2009
- Apparatuses and methods for anomalous gas concentration detection55US 11,112,308 B2Bridger Photonics, Inc. · 2021
- Measurement of hydrocarbon fuel gas composition and properties from tunable diode laser absorption spectrometry37US 10,495,570 B2ABB Schweiz AG · 2019
- Method and system for correcting incident light fluctuations in absorption spectroscopy31US 9,546,902 B2Servomex Group Limited · 2017
- Gas laser for emitting light modulated at two different wavelengths and an arrangement incorporating the gas laser to detect a gaseous substance28US 5,544,186 ACarl-Zeiss-Stiftung · 1996