G01J 3/0294
Multi-channel spectroscopy
Official title: {Multi-channel spectroscopy}
G01J3/0294 (Multi-channel spectroscopy) appears on 314 US grants and 355 published applications in this corpus.
Search patents in G01J- Granted patents
- 314
- Published applications
- 355
- Assignees
- 252
- Inventors
- 747
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 5 |
| 2004 | 6 | 7 |
| 2005 | 7 | 11 |
| 2006 | 4 | 6 |
| 2007 | 9 | 18 |
| 2008 | 14 | 22 |
| 2009 | 9 | 11 |
| 2010 | 13 | 22 |
| 2011 | 16 | 11 |
| 2012 | 14 | 21 |
| 2013 | 11 | 13 |
| 2014 | 15 | 15 |
| 2015 | 17 | 10 |
| 2016 | 10 | 7 |
| 2017 | 7 | 9 |
| 2018 | 8 | 17 |
| 2019 | 17 | 14 |
| 2020 | 15 | 20 |
| 2021 | 17 | 20 |
| 2022 | 21 | 25 |
| 2023 | 16 | 19 |
| 2024 | 15 | 19 |
| 2025 | 18 | 19 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiple input spectrometer28 Jul 2026US 12,693,159 B1Emcode Photonics LLC
- Method and apparatus for measuring inner surface and transition curved surface contour of micropore16 Jun 2026US 12,656,106 B1Huazhong University of Science and Technology
- Multispectral filter16 Jun 2026US 12,656,177 B2Viavi Solutions Inc.
- Optical system for reference switching31 Mar 2026US 12,590,837 B2
- Sensor device and methods of use24 Feb 2026US 12,560,477 B2Viavi Solutions Inc.
- Fire classification based flame detection1 Oct 2026US 2026/0298712 A1
- Spectroscopic analysis device and spectroscopic analysis method23 Jul 2026US 2026/0210763 A1Horiba, Ltd.
- Imaging system including a variable-thickness detector16 Jul 2026US 2026/0202249 A1Raytheon Company
- Multi-band optical fiber temperature sensor25 Jun 2026US 2026/0177426 A1Photon Control Inc.
- Adaptive optical analyzer with automatic drift control and high dynamic range21 May 2026US 2026/0139992 A1Neolitics, Inc.
Most cited
By later US patents
- Compact spectrofluorometer131US 6,441,892 B2Jobin Yvon, Inc. · 2002
- Systems and methods for filter based spectrographic analysis120US 6,707,548 B2Array Bioscience Corporation · 2004
- Portable instant display and analysis reflectance spectrometer96US 4,560,275 ACalifornia Institute of Technology · 1985
- System for multi- and hyperspectral imaging94US 7,835,002 B2RP Ventures Technology Office AB · 2010
- Convex diffraction grating imaging spectrometer92US 5,880,834 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1999