G01J 3/024
Using means for illuminating a slit efficiently
Official title: {using means for illuminating a slit efficiently (e.g. entrance slit of a spectrometer or entrance face of fiber)}
G01J3/024 (Using means for illuminating a slit efficiently) appears on 148 US grants and 156 published applications in this corpus.
Search patents in G01J- Granted patents
- 148
- Published applications
- 156
- Assignees
- 134
- Inventors
- 350
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 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 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 4 |
| 2004 | 3 | 3 |
| 2005 | 4 | 5 |
| 2006 | 2 | 5 |
| 2007 | 7 | 10 |
| 2008 | 6 | 10 |
| 2009 | 6 | 11 |
| 2010 | 7 | 18 |
| 2011 | 7 | 6 |
| 2012 | 8 | 10 |
| 2013 | 11 | 10 |
| 2014 | 12 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 4 |
| 2017 | 3 | 7 |
| 2018 | 5 | 4 |
| 2019 | 8 | 15 |
| 2020 | 10 | 3 |
| 2021 | 9 | 4 |
| 2022 | 1 | 6 |
| 2023 | 7 | 5 |
| 2024 | 5 | 5 |
| 2025 | 3 | 1 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Systems and methods for filter based spectrographic analysis120US 6,707,548 B2Array Bioscience Corporation · 2004
- Spectrometer97US 6,075,595 AValtion Teknillinen Tutkimuskeskus · 2000
- Monolithic infrared spectrometer apparatus and methods68US 6,303,934 B12001
- Imaging spectrometer/camera having convex grating55US 6,100,974 ACalifornia Institute of Technology · 2000
- Compact all-reflective imaging spectrometer39US 5,260,767 AHughes Aircraft Company · 1993