G01N 2021/216
Using circular polarised light
Official title: {using circular polarised light}
G01N2021/216 (Using circular polarised light) appears on 92 US grants and 112 published applications in this corpus.
Search patents in G01N- Granted patents
- 92
- Published applications
- 112
- Assignees
- 96
- Inventors
- 259
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 3 | 5 |
| 2007 | 2 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 6 |
| 2016 | 5 | 3 |
| 2017 | 6 | 7 |
| 2018 | 6 | 7 |
| 2019 | 7 | 4 |
| 2020 | 10 | 10 |
| 2021 | 3 | 7 |
| 2022 | 9 | 6 |
| 2023 | 4 | 10 |
| 2024 | 4 | 9 |
| 2025 | 12 | 8 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air quality measuring device22 Sep 2026US 12,742,727 B2Samsung Electronics Co., Ltd.
- Apparatus for inspecting display panel and method for inspecting display panel24 Feb 2026US 12,560,483 B2Samsung Display Co., Ltd.
- System and method for analyte detection17 Feb 2026US 12,553,822 B2Nanohmics, Inc.
- Compact device for characterizing a photoluminescent substance2 Sep 2025US 12,405,217 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Infrared circular dichroism measurement apparatus19 Aug 2025US 12,392,712 B2Jasco Corporation
- Nature-derived and nature-inspired structural color for quantitative assessment of material microstructure1 Oct 2026US 2026/0298806 A1The Regents of the University of California
- Devices, systems, and methods for chiral sensing27 Aug 2026US 2026/0251568 A1Board of Regents, The University of Texas System
- Method and system for probing chirality parameter based on photonic spin hall shift23 Jul 2026US 2026/0210841 A1Soochow University
- System and method for analyte detection4 Jun 2026US 2026/0153432 A1Nanohmics, Inc.
- System for characterizing chiral molecules with pulse recycling28 May 2026US 2026/0146971 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Imaging systems and methods to improve backscattering imaging using circular polarization memory66US 7,515,265 B2Research Foundation of the City University of New York · 2009
- Polariscope51US 4,523,848 ANational Research Development Corporation · 1985
- Polarization switching lidar device and method37US 8,054,464 B2Sigma Space Corporation · 2011
- System and method for hyperspectral imaging21US 8,891,087 B2Digital Light Innovations · 2014
- Polarization switching lidar device and method17US 8,115,925 B1Sigma Space Corporation · 2012