G01J 3/12
Generating the spectrum
Official title: Generating the spectrum; Monochromators
G01J3/12 (Generating the spectrum) appears on 4,481 US grants and 4,385 published applications in this corpus.
Search patents in G01J- Granted patents
- 4,481
- Published applications
- 4,385
- Assignees
- 1,806
- Inventors
- 7,709
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 25 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 13 | 0 |
| 1981 | 14 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 15 | 0 |
| 1985 | 14 | 0 |
| 1986 | 19 | 0 |
| 1987 | 29 | 0 |
| 1988 | 34 | 0 |
| 1989 | 41 | 0 |
| 1990 | 38 | 0 |
| 1991 | 55 | 0 |
| 1992 | 40 | 0 |
| 1993 | 35 | 0 |
| 1994 | 29 | 0 |
| 1995 | 33 | 0 |
| 1996 | 38 | 0 |
| 1997 | 25 | 0 |
| 1998 | 59 | 0 |
| 1999 | 53 | 0 |
| 2000 | 49 | 0 |
| 2001 | 41 | 26 |
| 2002 | 61 | 95 |
| 2003 | 85 | 87 |
| 2004 | 76 | 104 |
| 2005 | 69 | 110 |
| 2006 | 106 | 129 |
| 2007 | 93 | 156 |
| 2008 | 125 | 129 |
| 2009 | 110 | 103 |
| 2010 | 102 | 150 |
| 2011 | 95 | 122 |
| 2012 | 97 | 154 |
| 2013 | 128 | 156 |
| 2014 | 132 | 206 |
| 2015 | 136 | 182 |
| 2016 | 167 | 205 |
| 2017 | 190 | 238 |
| 2018 | 239 | 255 |
| 2019 | 281 | 283 |
| 2020 | 246 | 302 |
| 2021 | 270 | 274 |
| 2022 | 214 | 271 |
| 2023 | 208 | 227 |
| 2024 | 220 | 175 |
| 2025 | 176 | 150 |
| 2026 | 100 | 96 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01J 3/18Using diffraction elements1,773
- G01J 3/26Using multiple reflection1,398
- G01J 2003/1213Filters in generalIndexing code802
- G01J 2003/1226Interference filtersIndexing code519
- G01J 3/14Using refracting elements415
- G01J 3/1256Using acousto-optic tunable filter139
- G01J 2003/1208Prism and gratingIndexing code115
- G01J 2003/1282Spectrum tailoringIndexing code104
All 17 subgroupsShow fewer
- G01J 2003/1286Polychromator in generalIndexing code58
- G01J 2003/1204Grating and filterIndexing code49
- G01J 2003/1269Electrooptic filterIndexing code44
- G01J 2003/1278Mask with spectral selectionIndexing code31
- G01J 2003/1291Polarised, birefringentIndexing code25
- G01J 2003/1273Order selectionIndexing code23
- G01J 2003/1265The wavelengths being separated in timeIndexing code13
- G01J 2003/1295Plural entry slitsIndexing code5
- G01J 2003/126Focal isolation typeIndexing code4
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Most cited
By later US patents
- Optical filter for spectroscopic measurement and method of producing the optical filter1,209US 5,760,910 AMasimo Corporation · 1998
- Optical filter for spectroscopic measurement and method of producing the optical filter1,055US 5,940,182 AMasimo Corporation · 1999
- Interferometric modulation of radiation1,041US 6,674,562 B1Iridigm Display Corporation · 2004
- Optical filter for spectroscopic measurement and method of producing the optical filter1,032US 6,278,522 B1Masimo Laboratories, Inc. · 2001
- Photonic mems and structures872US 6,650,455 B2Iridigm Display Corporation · 2003