G01J 2003/4275
Polarised dual wavelength spectrometry
Official title: {Polarised dual wavelength spectrometry}
G01J2003/4275 (Polarised dual wavelength spectrometry) appears on 6 US grants and 5 published applications in this corpus.
Search patents in G01J- Granted patents
- 6
- Published applications
- 5
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
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| 1990 | 0 | 0 |
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| 1992 | 0 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
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| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light measuring device and method of manufacturing light measuring device24 Mar 2026US 12,584,792 B2Hamamatsu Photonics K.K.
- Method and system for axially-offset differential interference contrast correlation spectroscopy4 Jul 2023US 11,692,877 B2Purdue Research Foundation
- Crop growth measurement device18 Feb 2020US 10,561,060 B2Topcon Corporation
- Device for optically determining the concentration of alcohol and carbohydrates in a liquid sample20 Nov 2018US 10,132,787 B2Haffmans B.V.
- Systems and methods for extended infrared spectroscopic ellipsometry20 Mar 2018US 9,921,152 B2KLA-Tencor Corporation
- Light measuring device and method of manufacturing light measuring device29 Feb 2024US 2024/0068866 A1Hamamatsu Photonics K.K.
- Method and system for axially-offset differential interference contrast correlation spectroscopy24 Feb 2022US 2022/0057266 A1Purdue Research Foundation
- Measurement device7 Mar 2019US 2019/0069476 A1Topcon Corporation
- Systems And Methods For Extended Infrared Spectroscopic Ellipsometry20 Jul 2017US 2017/0205342 A1KLA-Tencor Corporation
- Device for optically determining the concentration of alcohol and carbohydrates in a liquid sample5 Mar 2015US 2015/0060674 A1Haffmans B.V.
Most cited
By later US patents
- Systems and methods for extended infrared spectroscopic ellipsometry3US 9,921,152 B2KLA-Tencor Corporation · 2018
- Double polarized light beam spectrophotometer of light source modulation type2US 4,645,341 AHitachi, Ltd. · 1987
- Device for optically determining the concentration of alcohol and carbohydrates in a liquid sample1US 10,132,787 B2Haffmans B.V. · 2018
- Crop growth measurement device1US 10,561,060 B2Topcon Corporation · 2020