G01J 3/457
Correlation spectrometry
Official title: Correlation spectrometry, e.g. of the intensity (G01J3/453 takes precedence)
G01J3/457 (Correlation spectrometry) appears on 156 US grants and 136 published applications in this corpus.
Search patents in G01J- Granted patents
- 156
- Published applications
- 136
- Assignees
- 127
- Inventors
- 370
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 4 |
| 2003 | 4 | 2 |
| 2004 | 2 | 3 |
| 2005 | 5 | 3 |
| 2006 | 3 | 2 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 6 |
| 2010 | 5 | 4 |
| 2011 | 1 | 5 |
| 2012 | 4 | 6 |
| 2013 | 5 | 8 |
| 2014 | 4 | 3 |
| 2015 | 7 | 3 |
| 2016 | 4 | 8 |
| 2017 | 8 | 13 |
| 2018 | 6 | 9 |
| 2019 | 10 | 9 |
| 2020 | 13 | 8 |
| 2021 | 6 | 7 |
| 2022 | 7 | 12 |
| 2023 | 8 | 8 |
| 2024 | 7 | 4 |
| 2025 | 6 | 1 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Non-invasive near infrared measurement of blood analyte concentrations372US 4,882,492 ABiotronics Associates, Inc. · 1989
- System and method of determining if a surface is printed or a mobile device screen145US 9,659,198 B2Hand Held Products, Inc. · 2017
- Optical apparatus for forming correlation spectrometers and optical processors131US 5,905,571 ASandia Corporation · 1999
- Confocal spectroscopy system and method130US 6,128,077 A2000
- Apparatus for image multispectral sensing employing addressable spatial mask90US 5,867,264 APacific Advanced Technology · 1999