G01J 3/0229
Using masks, aperture plates, spatial light modulators or spatial filters
Official title: {using masks, aperture plates, spatial light modulators or spatial filters, e.g. reflective filters}
G01J3/0229 (Using masks, aperture plates, spatial light modulators or spatial filters) appears on 920 US grants and 1,000 published applications in this corpus.
Search patents in G01J- Granted patents
- 920
- Published applications
- 1,000
- Assignees
- 530
- Inventors
- 1,864
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 9 |
| 2002 | 13 | 16 |
| 2003 | 13 | 15 |
| 2004 | 10 | 20 |
| 2005 | 18 | 32 |
| 2006 | 21 | 28 |
| 2007 | 25 | 37 |
| 2008 | 34 | 32 |
| 2009 | 17 | 26 |
| 2010 | 18 | 34 |
| 2011 | 22 | 27 |
| 2012 | 24 | 37 |
| 2013 | 27 | 31 |
| 2014 | 29 | 41 |
| 2015 | 34 | 37 |
| 2016 | 38 | 34 |
| 2017 | 42 | 47 |
| 2018 | 44 | 59 |
| 2019 | 58 | 67 |
| 2020 | 57 | 89 |
| 2021 | 62 | 63 |
| 2022 | 55 | 84 |
| 2023 | 56 | 53 |
| 2024 | 60 | 38 |
| 2025 | 41 | 30 |
| 2026 | 23 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for quantitative and depth resolved hyperspectral fluorescence and reflectance imaging for surgical guidance8 Sep 2026US 12,727,799 B2Trustees of Dartmouth College
- Variable transmission aperture1 Sep 2026US 12,723,914 B2Agilent Technologies, Inc.
- Optical spectrometer and a method for spectrally resolved two-dimensional imaging of an object18 Aug 2026US 12,710,359 B2Mantis Photonics AB
- Wavelength measurement chip and wavelength measurement system28 Jul 2026US 12,693,163 B2Huawei Technologies Co., Ltd.
- High resolution thin multi-aperture imaging systems9 Jun 2026US RE50,911 E1Corephotonics Ltd.
- Systems and Methods for Performing Compressive Spectral Measurements Using a Programmable Wavelength Filter20 Aug 2026US 2026/0243601 A1Thermo Electron Scientific Instruments LLC
- Dual-comb spectroscopy system with tunable frequency difference at high repetition rates13 Aug 2026US 2026/0235439 A1South China University of Technology
- Spectrometer with adjustable sensitivity13 Aug 2026US 2026/0235443 A1Avantes B.V.
- Apparatuses, systems, and methods for led-based hyperspectral imaging6 Aug 2026US 2026/0230690 A1OptoIntel, Inc.
- Spectroscopic camera2 Jul 2026US 2026/0185872 A1Public University Corporation Suwa University of Science Foundation
Most cited
By later US patents
- Digital light processing hyperspectral imaging apparatus348US 8,406,859 B2Board of Regents, The University of Texas System · 2013
- Confocal measuring microscope with automatic focusing340US 4,844,617 ATencor Instruments · 1989
- Surgical imaging systems249US 10,292,771 B2Synaptive Medical (Barbados) Inc. · 2019
- Sample inspection system235US 6,201,601 B1KLA-Tencor Corporation · 2001
- Solid-state spectrometer230US 11,692,934 B2Masimo Corporation · 2023