G01J 3/433
Modulation spectrometry
Official title: Modulation spectrometry; Derivative spectrometry
G01J3/433 (Modulation spectrometry) appears on 581 US grants and 589 published applications in this corpus.
Search patents in G01J- Granted patents
- 581
- Published applications
- 589
- Assignees
- 386
- Inventors
- 1,285
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 7 | 4 |
| 2003 | 10 | 9 |
| 2004 | 7 | 13 |
| 2005 | 10 | 26 |
| 2006 | 16 | 21 |
| 2007 | 21 | 24 |
| 2008 | 15 | 21 |
| 2009 | 15 | 14 |
| 2010 | 19 | 21 |
| 2011 | 16 | 20 |
| 2012 | 13 | 19 |
| 2013 | 15 | 24 |
| 2014 | 24 | 19 |
| 2015 | 25 | 35 |
| 2016 | 25 | 31 |
| 2017 | 33 | 30 |
| 2018 | 33 | 35 |
| 2019 | 38 | 34 |
| 2020 | 37 | 26 |
| 2021 | 21 | 30 |
| 2022 | 17 | 30 |
| 2023 | 29 | 29 |
| 2024 | 20 | 31 |
| 2025 | 32 | 24 |
| 2026 | 18 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Layer thickness determination by four-wave-mixing spectroscopy22 Sep 2026US 12,742,635 B2Monstr Sense Technologies, LLC
- Spectroscopic detection method for detecting lycopene content in agricultural product22 Sep 2026US 12,742,762 B2Zhejiang Kepler Technology Co., Ltd.
- System and method for quantum absorption spectroscopy1 Sep 2026US 12,723,920 B2Kyoto University
- Reference switch architectures for noncontact sensing of substances18 Aug 2026US 12,710,358 B2Apple Inc.
- Multi-wavelength fiber-optic imaging device and system11 Aug 2026US 12,704,409 B1Beijing Transcend Vivoscope Bio-Technology Co., Ltd.
- Apparatuses and methods for anomalous gas concentration detection3 Sep 2026US 2026/0259099 A1Bridger Photonics, Inc.
- Analysis device, program for analysis device, and analysis method27 Aug 2026US 2026/0251560 A1Horiba, Ltd.
- Spectrometer and method for detecting a spectrum20 Aug 2026US 2026/0243673 A1
- Hyperspectral imaging with tool tracking in a light deficient environment16 Jul 2026US 2026/0203921 A1Cilag GmbH International
- Multi-band optical fiber temperature sensor25 Jun 2026US 2026/0177426 A1Photon Control Inc.
Most cited
By later US patents
- Method and device for measuring concentration levels of blood constituents non-invasively406US 5,361,758 ACME Telemetrix Inc. · 1994
- Non-invasive determination of glucose concentration in body of patients317US 5,070,874 ABiocontrol Technology, Inc. · 1991
- Tissue chromophore measurement system295US 5,879,294 AHutchinson Technology Incorporated · 1999
- Detecting plants in a field by detecting a change in slope in a reflectance characteristic167US 5,789,741 APatchen, Inc. · 1998
- Spectrometric device and method for recognizing atomic and molecular signatures155US 5,801,826 AWilliams Family Trust B · 1998