G01B 2290/45
Multiple detectors for detecting interferometer signals
G01B2290/45 (Multiple detectors for detecting interferometer signals) appears on 463 US grants and 425 published applications in this corpus.
Search patents in G01B- Granted patents
- 463
- Published applications
- 425
- Assignees
- 242
- Inventors
- 807
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 0 |
| 2002 | 5 | 5 |
| 2003 | 6 | 26 |
| 2004 | 10 | 19 |
| 2005 | 18 | 30 |
| 2006 | 20 | 33 |
| 2007 | 22 | 26 |
| 2008 | 28 | 39 |
| 2009 | 34 | 22 |
| 2010 | 25 | 31 |
| 2011 | 33 | 37 |
| 2012 | 10 | 21 |
| 2013 | 29 | 20 |
| 2014 | 19 | 14 |
| 2015 | 15 | 13 |
| 2016 | 21 | 12 |
| 2017 | 16 | 6 |
| 2018 | 10 | 11 |
| 2019 | 7 | 12 |
| 2020 | 8 | 9 |
| 2021 | 11 | 6 |
| 2022 | 11 | 9 |
| 2023 | 4 | 10 |
| 2024 | 6 | 6 |
| 2025 | 6 | 6 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interferometric displacement measurement apparatus15 Sep 2026US 12,736,324 B2Oxford University Innovation Limited
- Multi-channel self-mixing interferometric sensor14 Apr 2026US 12,601,583 B2Apple Inc.
- Systems and methods for concurrent measurements of interferometric and ellipsometric signals of multi-layer thin films24 Mar 2026US 12,584,852 B2Nanoverse Technologies Ltd
- Three-dimensional measurement device15 Jul 2025US 12,359,906 B2Ckd Corporation
- Heterodyne fiber interferometer displacement measuring system and method17 Jun 2025US 12,332,041 B2Beijing U-Precision Tech Co., Ltd.
- Systems and methods for concurrent measurements of interferometric and ellipsometric signals of multi-layer thin films30 Jul 2026US 2026/0219168 A1Nanoverse Technologies Ltd
- Parallel optical coherence tomography system using an integrated photonic device4 Jun 2026US 2026/0153324 A1
- Self-mixing interferometry sensor module for multilayer target detection, electronic device and method of multilayer target detection23 Oct 2025US 2025/0327654 A1ams International AG
- Ferrule with wideband spectrum source channel for alignment error mitigation and system dynamics evaluation18 Sep 2025US 2025/0291132 A1Honeywell International Inc.
- Control method and system of lithium niobate based mach-zehnder interferometer modulator31 Jul 2025US 2025/0244632 A1Sun Yat-Sen University
Most cited
By later US patents
- Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample1,199US 5,321,501 AMassachusetts Institute of Technology · 1994
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Method and apparatus for acquiring images using a ccd detector array and no transverse scanner522US 5,465,147 AMassachusetts Institute of Technology · 1995
- Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands340US 7,355,716 B2The General Hospital Corporation · 2008
- Polarization independent optical coherence-domain reflectometry334US 5,202,745 AHewlett-Packard Company · 1993