G01J 3/2846
Using modulation grid
Official title: {using modulation grid; Grid spectrometers}
G01J3/2846 (Using modulation grid) appears on 84 US grants and 75 published applications in this corpus.
Search patents in G01J- Granted patents
- 84
- Published applications
- 75
- Assignees
- 69
- Inventors
- 161
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 4 | 2 |
| 2007 | 4 | 12 |
| 2008 | 6 | 7 |
| 2009 | 4 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 4 |
| 2021 | 5 | 10 |
| 2022 | 5 | 9 |
| 2023 | 6 | 4 |
| 2024 | 7 | 2 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer11 Nov 2025US 12,467,785 B2National University of Singapore
- Processing apparatus, method, and non-transitory computer-readable recording medium20 May 2025US 12,309,506 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical sensor device18 Mar 2025US 12,253,412 B2Viavi Solutions Inc.
- Spectrometer and method of detecting an electromagnetic (EM) wave spectrum24 Sep 2024US 12,098,950 B2National University of Singapore
- Electrically-tunable optical filter27 Aug 2024US 12,072,601 B2Apple Inc.
- Multicode multiplex spectral imaging14 May 2026US 2026/0133070 A1
- Optical sensor device12 Jun 2025US 2025/0189371 A1Viavi Solutions Inc.
- Hyperspectral compressive imaging with integrated photonics6 Mar 2025US 2025/0076573 A1The Regents of the University of California
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer14 Nov 2024US 2024/0377252 A1National University of Singapore
- Apparatus and method for blood analysis13 Jun 2024US 2024/0192126 A1Cor Health, Inc.
Most cited
By later US patents
- Optical spectrophotometer having a multi-element light source90US 5,257,086 AD.O.M. Associates Int'l · 1993
- Apparatus for image multispectral sensing employing addressable spatial mask90US 5,867,264 APacific Advanced Technology · 1999
- System and method for encoded spatio-spectral information processing78US 6,859,275 B2Plain Sight Systems, Inc. · 2005
- Rapid pharmaceutical identification and verification system53US 7,218,395 B2Optopo Inc. · 2007
- Method and apparatus for radiation encoding and analysis49US 6,995,840 B2Aspectrics, Inc. · 2006