G01J 2003/1269
Electrooptic filter
Official title: {Electrooptic filter}
G01J2003/1269 (Electrooptic filter) appears on 44 US grants and 43 published applications in this corpus.
Search patents in G01J- Granted patents
- 44
- Published applications
- 43
- Assignees
- 40
- Inventors
- 127
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 4 |
| 2018 | 3 | 3 |
| 2019 | 2 | 6 |
| 2020 | 5 | 1 |
| 2021 | 3 | 4 |
| 2022 | 7 | 4 |
| 2023 | 3 | 11 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 3 | 1 |
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
- Electromagnetic radiation measurement device2 Jun 2026US 12,644,768 B2Npl Management Limited
- Approximation-free and iteration-free method for spectral analysis of intracavity electro-optic modulation type optical frequency comb, device and medium10 Mar 2026US 12,571,677 B2Harbin Institute of Technology
- Integrated circuit spectrometer23 Sep 2025US 12,422,302 B2Agency for Science, Technology and Research
- Random ring photonic integrated circuit spectrometer20 May 2025US 12,306,042 B2University of Rochester
- Portable Quantum Spectrum Sensing Systems26 Feb 2026US 2026/0056052 A1WaveRyde Instruments Inc.
- Electromagnetic radiation measurement device27 Mar 2025US 2025/0102359 A1Npl Management Limited
- Method and apparatus for quantitative and depth resolved hyperspectral fluorescence and reflectance imaging for surgical guidance9 May 2024US 2024/0148291 A1Trustees of Dartmouth College
- Integrated circuit spectrometer2 May 2024US 2024/0142303 A1Agency for Science, Technology and Research
- Random ring photonic integrated circuit spectrometer16 Nov 2023US 2023/0366735 A1University of Rochester
Most cited
By later US patents
- Optical sensor for orthogonal radiation modes70US 5,598,267 ABritish Technology Group Limited · 1997
- Filter having adjustable spectral transmittance function51US 5,121,239 AThe United States of America as represented by the Secretary of the Air Force · 1992
- Nondispersive gas analyzer having no moving parts30US 4,694,173 AHibshman Corporation · 1987
- Method for spectroscopy using two Fabry-Perot interference filters30US 5,357,340 AHartmann & Braun Aktiengesellschaft · 1994
- Multi-conjugate liquid crystal tunable filter29US 6,992,809 B1ChemImage Corporation · 2006