G01J 2003/1204
Grating and filter
Official title: {Grating and filter}
G01J2003/1204 (Grating and filter) appears on 49 US grants and 46 published applications in this corpus.
Search patents in G01J- Granted patents
- 49
- Published applications
- 46
- Assignees
- 53
- Inventors
- 157
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 3 | 4 |
| 2019 | 4 | 7 |
| 2020 | 4 | 4 |
| 2021 | 5 | 8 |
| 2022 | 4 | 5 |
| 2023 | 4 | 3 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Very high resolution spectrometer for monitoring of semiconductor processes22 Sep 2026US 12,742,678 B2Verity Instruments, Inc.
- Systems and methods for miniature spatial heterodyne spectrometry21 Jul 2026US 12,687,429 B2California Institute of Technology
- Hyperspectral sensor with diffractive focusing elements and color filters5 May 2026US 12,621,578 B2Sony Semiconductor Solutions Corporation
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer11 Nov 2025US 12,467,785 B2National University of Singapore
- Optical property measurement apparatus and optical property measurement method29 Jul 2025US 12,372,458 B2Hamamatsu Photonics K.K.
- Wavelength dispersion measurement apparatus and wavelength dispersion measurement method26 Mar 2026US 2026/0086029 A1Hamamatsu Photonics K.K.
- Systems and methods for measuring properties of water at site5 Mar 2026US 2026/0063541 A1Hydro-Metrics Limited
- Hyperspectral sensor with diffractive focusing elements and color filters25 Sep 2025US 2025/0301234 A1Sony Semiconductor Solutions Corporation
- Systems and methods for miniature spatial heterodyne spectrometry21 Nov 2024US 2024/0385035 A1California Institute of Technology
- Cascaded, self-calibrated, single-pixel infrared hadamard transform spectrometer14 Nov 2024US 2024/0377252 A1National University of Singapore
Most cited
By later US patents
- Automatic monochromator-testing system66US 4,669,878 AAmerican Monitor Corporation · 1987
- Optical system for a multidetector array spectrograph54US 4,966,458 AMilton Roy Company · 1990
- Filter having adjustable spectral transmittance function51US 5,121,239 AThe United States of America as represented by the Secretary of the Air Force · 1992
- Scanning monochromator system with direct coupled dispersing element-electromagnetic drive transducer assembly31US 4,469,441 AAllied Corporation · 1984
- Infrared spectrophotometer employing sweep diffraction grating21US 6,528,791 B1Andros Incorporated · 2003