G01J 3/44
Raman spectrometry
Official title: Raman spectrometry; Scattering spectrometry {; Fluorescence spectrometry}
G01J3/44 (Raman spectrometry) appears on 2,293 US grants and 2,618 published applications in this corpus.
Search patents in G01J- Granted patents
- 2,293
- Published applications
- 2,618
- Assignees
- 1,210
- Inventors
- 4,931
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 32 | 0 |
| 2000 | 28 | 0 |
| 2001 | 16 | 10 |
| 2002 | 17 | 24 |
| 2003 | 24 | 38 |
| 2004 | 26 | 48 |
| 2005 | 31 | 61 |
| 2006 | 44 | 101 |
| 2007 | 52 | 101 |
| 2008 | 81 | 99 |
| 2009 | 93 | 74 |
| 2010 | 56 | 127 |
| 2011 | 61 | 89 |
| 2012 | 79 | 119 |
| 2013 | 90 | 102 |
| 2014 | 93 | 111 |
| 2015 | 90 | 116 |
| 2016 | 76 | 117 |
| 2017 | 96 | 109 |
| 2018 | 107 | 139 |
| 2019 | 134 | 151 |
| 2020 | 146 | 154 |
| 2021 | 137 | 145 |
| 2022 | 126 | 150 |
| 2023 | 98 | 136 |
| 2024 | 112 | 120 |
| 2025 | 115 | 118 |
| 2026 | 56 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for compact multi-color flow cytometers having compact detection modules6 Oct 2026US 12,754,128 B2Cytek Biosciences, Inc.
- Raman spectroscopy method and apparatus6 Oct 2026US 12,754,131 B2The University Court of the University of Edinburgh
- Photo-triggered nucleic acid constructs and methods for molecular detection6 Oct 2026US 12,754,137 B2InSilixa, Inc.
- System, robot and method for measuring the color of an area of a sample or of a vehicle's part29 Sep 2026US 12,748,040 B2Fyla Laser, S. L.
- Pulsed illumination in a hyperspectral, fluorescence and laser mapping imaging system29 Sep 2026US 12,748,209 B2Cilag GmbH International
- Methods and systems for raman spectra-based identification of chemical compounds8 Oct 2026US 2026/0309626 A1Genentech, Inc.
- Spectroscopy apparatus and methods1 Oct 2026US 2026/0298707 A1Renishaw PLC
- Electric field enhancement element and raman spectroscopic apparatus24 Sep 2026US 2026/0287427 A1Seiko Epson Corporation
- Optical spectrometer and raman microscope comprising such a spectrometer3 Sep 2026US 2026/0259082 A1Horiba France SAS
- Systems and methods for monitoring illumination conditions produced by light sources27 Aug 2026US 2026/0251501 A1Sollum Technologies Inc.
Most cited
By later US patents
- Spectral bio-imaging methods for biological research, medical diagnostics and therapy470US 5,784,162 AApplied Spectral Imaging Ltd. · 1998
- Depth-resolved spectroscopic optical coherence tomography381US 6,002,480 A1999
- Spectral bio-imaging of the eye361US 6,556,853 B1Applied Spectral Imaging Ltd. · 2003
- Multiwavelength data communication fiber link338US 5,278,687 APhysical Optics Corporation · 1994
- Fluorescence imaging system and method312US 5,865,754 APurdue Research Foundation Office of Technology Transfer · 1999