G01J 3/0224
Using polarising or depolarising elements
Official title: {using polarising or depolarising elements}
G01J3/0224 (Using polarising or depolarising elements) appears on 657 US grants and 720 published applications in this corpus.
Search patents in G01J- Granted patents
- 657
- Published applications
- 720
- Assignees
- 417
- Inventors
- 1,372
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 10 |
| 2003 | 8 | 8 |
| 2004 | 6 | 7 |
| 2005 | 8 | 18 |
| 2006 | 11 | 25 |
| 2007 | 23 | 27 |
| 2008 | 19 | 31 |
| 2009 | 23 | 23 |
| 2010 | 31 | 24 |
| 2011 | 13 | 16 |
| 2012 | 28 | 25 |
| 2013 | 22 | 30 |
| 2014 | 19 | 25 |
| 2015 | 28 | 35 |
| 2016 | 27 | 33 |
| 2017 | 36 | 36 |
| 2018 | 36 | 46 |
| 2019 | 43 | 43 |
| 2020 | 49 | 50 |
| 2021 | 46 | 45 |
| 2022 | 43 | 45 |
| 2023 | 29 | 44 |
| 2024 | 39 | 22 |
| 2025 | 32 | 39 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System for measuring an estimated degree of linear polarization of an electromagnetic radiation reflected by a scene30 Jun 2026US 12,669,377 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
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- Mount for optical elements13 Aug 2026US 2026/0235840 A1
Most cited
By later US patents
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- Measurements of substances using two different propagation modes of light through a common optical path174US 6,903,820 B2Tomophase Corporation · 2005
- System for automatic color calibration156US 6,459,425 B12002
- Method and apparatus for colour imaging a three-dimensional structure153US 7,724,378 B2Cadent Ltd. · 2010