G01J 3/453
By correlation of the amplitudes
Official title: by correlation of the amplitudes
G01J3/453 (By correlation of the amplitudes) appears on 1,013 US grants and 849 published applications in this corpus.
Search patents in G01J- Granted patents
- 1,013
- Published applications
- 849
- Assignees
- 501
- Inventors
- 1,695
- 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 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 14 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 20 | 0 |
| 1997 | 15 | 0 |
| 1998 | 27 | 0 |
| 1999 | 30 | 0 |
| 2000 | 23 | 0 |
| 2001 | 10 | 6 |
| 2002 | 13 | 7 |
| 2003 | 16 | 14 |
| 2004 | 8 | 21 |
| 2005 | 12 | 21 |
| 2006 | 20 | 24 |
| 2007 | 17 | 26 |
| 2008 | 21 | 21 |
| 2009 | 23 | 24 |
| 2010 | 18 | 31 |
| 2011 | 25 | 30 |
| 2012 | 15 | 28 |
| 2013 | 26 | 47 |
| 2014 | 31 | 35 |
| 2015 | 39 | 46 |
| 2016 | 44 | 35 |
| 2017 | 34 | 49 |
| 2018 | 52 | 51 |
| 2019 | 45 | 55 |
| 2020 | 55 | 56 |
| 2021 | 50 | 50 |
| 2022 | 39 | 40 |
| 2023 | 38 | 37 |
| 2024 | 32 | 48 |
| 2025 | 37 | 32 |
| 2026 | 17 | 15 |
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.
- Remote sensing system with time-of-flight sensor, active illuminator and light sensing system1 Sep 2026US 12,721,527 B2Omni Medsci, Inc.
- Broadband phase-modulated Fourier transform spectroscopy28 Jul 2026US 12,693,164 B2The Regents of the University of Michigan
- Two-dimensional hyperspectral imaging system and method thereof14 Jul 2026US 12,680,872 B2National Tsing Hua University
- Dispersion measurement device and dispersion measurement method16 Jun 2026US 12,656,218 B2Hamamatsu Photonics K.K.
- Multi-band imaging spectrometer1 Oct 2026US 2026/0298713 A1ABB Schweiz AG
- 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
- Smart glasses with multi-modal generative artifical intelligence assistant30 Jul 2026US 2026/0215689 A1Omni Medsci, Inc.
- Fourier Transform Spectrometr30 Jul 2026US 2026/0219110 A1Skm Instruments, LLC
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