G01J 3/502
Using a dispersive element
Official title: {using a dispersive element, e.g. grating, prism}
G01J3/502 (Using a dispersive element) appears on 169 US grants and 132 published applications in this corpus.
Search patents in G01J- Granted patents
- 169
- Published applications
- 132
- Assignees
- 108
- Inventors
- 308
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 6 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 6 |
| 2008 | 7 | 3 |
| 2009 | 6 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 4 |
| 2012 | 1 | 5 |
| 2013 | 7 | 7 |
| 2014 | 3 | 11 |
| 2015 | 8 | 8 |
| 2016 | 7 | 5 |
| 2017 | 5 | 5 |
| 2018 | 6 | 11 |
| 2019 | 13 | 14 |
| 2020 | 12 | 9 |
| 2021 | 7 | 4 |
| 2022 | 5 | 4 |
| 2023 | 4 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Object recognition system and method246US 6,069,696 APSC Scanning, Inc. · 2000
- Method and apparatus for determining color, in particular of a dental prosthesis134US 4,836,674 ABertin & Cie · 1989
- Spectral bio-imaging of the eye122US 6,276,798 B1Applied Spectral Imaging Ltd. · 2001
- Remote color measurement device106US 4,881,811 AColorgen, Inc. · 1989
- Near infrared spectrometer used in combination with a combine for real time grain analysis104US 5,751,421 APioneer Hi-Bred International, Inc. · 1998