G01J 3/45
Interferometric spectrometry
G01J3/45 (Interferometric spectrometry) appears on 1,373 US grants and 1,236 published applications in this corpus.
Search patents in G01J- Granted patents
- 1,373
- Published applications
- 1,236
- Assignees
- 676
- Inventors
- 2,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 11 | 0 |
| 1988 | 17 | 0 |
| 1989 | 12 | 0 |
| 1990 | 8 | 0 |
| 1991 | 15 | 0 |
| 1992 | 19 | 0 |
| 1993 | 19 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 21 | 0 |
| 1997 | 16 | 0 |
| 1998 | 30 | 0 |
| 1999 | 34 | 0 |
| 2000 | 31 | 0 |
| 2001 | 12 | 7 |
| 2002 | 16 | 10 |
| 2003 | 21 | 15 |
| 2004 | 10 | 25 |
| 2005 | 14 | 28 |
| 2006 | 25 | 30 |
| 2007 | 20 | 31 |
| 2008 | 26 | 34 |
| 2009 | 29 | 32 |
| 2010 | 26 | 35 |
| 2011 | 34 | 40 |
| 2012 | 18 | 35 |
| 2013 | 34 | 60 |
| 2014 | 42 | 60 |
| 2015 | 56 | 73 |
| 2016 | 66 | 60 |
| 2017 | 62 | 65 |
| 2018 | 67 | 76 |
| 2019 | 67 | 75 |
| 2020 | 77 | 76 |
| 2021 | 66 | 85 |
| 2022 | 61 | 72 |
| 2023 | 58 | 61 |
| 2024 | 61 | 76 |
| 2025 | 62 | 51 |
| 2026 | 39 | 24 |
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.
- Spectroscopic device, spectroscopic method, Raman scattering analysis device, luminescence spectroscopic analysis device, and harmonic observation device22 Sep 2026US 12,742,682 B2Tohoku University
- Remote sensing system with time-of-flight sensor, active illuminator and light sensing system1 Sep 2026US 12,721,527 B2Omni Medsci, Inc.
- Light detection device1 Sep 2026US 12,723,919 B2Hamamatsu Photonics K.K.
- Wavelength measurement chip and wavelength measurement system28 Jul 2026US 12,693,163 B2Huawei Technologies Co., Ltd.
- Compact interferometer1 Oct 2026US 2026/0298614 A1United Kingdom Research and Innovation
- Multi-band imaging spectrometer1 Oct 2026US 2026/0298713 A1ABB Schweiz AG
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography24 Sep 2026US 2026/0287326 A1The General Hospital Corporation
- Interference measurement device and interference measurement method10 Sep 2026US 2026/0266661 A1Hamamatsu Photonics K.K.
- Interferogram-based intelligent spectroscopy20 Aug 2026US 2026/0243666 A1Si-Ware Systems
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
- Spectral bio-imaging of the eye361US 6,556,853 B1Applied Spectral Imaging Ltd. · 2003
- Arrangement for spectral interferometric optical tomography and surface profile measurement324US 6,377,349 B1Carl Zeiss Jena GmbH · 2002
- In situ method of analyzing cells302US 6,007,996 AApplied Spectral Imaging Ltd. · 1999
- Fourier domain optical coherence tomography employing a swept multi-wavelength laser and a multi-channel receiver257US 7,391,520 B2Carl Zeiss Meditec AG · 2008