G01J 3/00
Spectrometry
Official title: Spectrometry; Spectrophotometry; Monochromators; Measuring colours
G01J3/00 (Spectrometry) appears on 16,210 US grants and 16,190 published applications in this corpus.
Search patents in G01J- Granted patents
- 16,210
- Published applications
- 16,190
- Assignees
- 5,512
- Inventors
- 28,099
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 61 | 0 |
| 1977 | 63 | 0 |
| 1978 | 56 | 0 |
| 1979 | 35 | 0 |
| 1980 | 41 | 0 |
| 1981 | 54 | 0 |
| 1982 | 38 | 0 |
| 1983 | 33 | 0 |
| 1984 | 51 | 0 |
| 1985 | 58 | 0 |
| 1986 | 69 | 0 |
| 1987 | 108 | 0 |
| 1988 | 105 | 0 |
| 1989 | 120 | 0 |
| 1990 | 106 | 0 |
| 1991 | 141 | 0 |
| 1992 | 113 | 0 |
| 1993 | 128 | 0 |
| 1994 | 118 | 0 |
| 1995 | 109 | 0 |
| 1996 | 129 | 0 |
| 1997 | 117 | 0 |
| 1998 | 226 | 0 |
| 1999 | 235 | 0 |
| 2000 | 228 | 0 |
| 2001 | 183 | 87 |
| 2002 | 202 | 297 |
| 2003 | 290 | 322 |
| 2004 | 276 | 374 |
| 2005 | 252 | 458 |
| 2006 | 388 | 539 |
| 2007 | 361 | 540 |
| 2008 | 420 | 518 |
| 2009 | 425 | 479 |
| 2010 | 411 | 567 |
| 2011 | 406 | 497 |
| 2012 | 430 | 590 |
| 2013 | 492 | 635 |
| 2014 | 551 | 727 |
| 2015 | 610 | 756 |
| 2016 | 632 | 738 |
| 2017 | 680 | 765 |
| 2018 | 743 | 928 |
| 2019 | 933 | 969 |
| 2020 | 854 | 1002 |
| 2021 | 875 | 962 |
| 2022 | 751 | 890 |
| 2023 | 664 | 805 |
| 2024 | 762 | 739 |
| 2025 | 669 | 614 |
| 2026 | 408 | 392 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- 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.
- Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time6 Oct 2026US 12,757,304 B2Lutron Technology Company LLC
- Nano-satellite atmospheric chemistry hyperspectral observation system8 Oct 2026US 2026/0309546 A1Triad National Security, LLC
- Pulse windowing optical sensor8 Oct 2026US 2026/0309547 A1Tokyo Electron Limited
- Method and apparatus for segmented spectral measurement using od filters for nvis radiance calculation8 Oct 2026US 2026/0309548 A1Novanta Corporation
- Gaseous leak detection system and associated methods8 Oct 2026US 2026/0309573 A1TrelliSense, Inc.
- Methods and systems for raman spectra-based identification of chemical compounds8 Oct 2026US 2026/0309626 A1Genentech, Inc.
Most cited
By later US patents
- Manual and automatic probe calibration1,429US 5,758,644 AMasimo Corporation · 1998
- Implantable biosensing transponder1,417US 5,833,603 ALipoMatrix Incorporated · 1998
- Implantable sensor and system for in vivo measurement and control of fluid constituent levels1,362US 6,049,727 AAnimas Corporation · 2000
- Optical filter for spectroscopic measurement and method of producing the optical filter1,209US 5,760,910 AMasimo Corporation · 1998
- Manual and automatic probe calibration1,177US 6,011,986 AMasimo Corporation · 2000