G01B 9/02064
By particular adjustment of coherence gate, i.e. adjusting position of zero path
Official title: {by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry}
G01B9/02064 (By particular adjustment of coherence gate, i.e. adjusting position of zero path) appears on 162 US grants and 156 published applications in this corpus.
Search patents in G01B- Granted patents
- 162
- Published applications
- 156
- Assignees
- 101
- Inventors
- 369
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 4 | 7 |
| 2005 | 3 | 2 |
| 2006 | 3 | 6 |
| 2007 | 6 | 11 |
| 2008 | 5 | 4 |
| 2009 | 4 | 5 |
| 2010 | 9 | 11 |
| 2011 | 7 | 9 |
| 2012 | 4 | 10 |
| 2013 | 10 | 18 |
| 2014 | 8 | 9 |
| 2015 | 12 | 6 |
| 2016 | 8 | 6 |
| 2017 | 9 | 3 |
| 2018 | 7 | 7 |
| 2019 | 4 | 5 |
| 2020 | 3 | 6 |
| 2021 | 3 | 4 |
| 2022 | 5 | 7 |
| 2023 | 7 | 5 |
| 2024 | 4 | 6 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low-bulk interferometric sensor11 Aug 2026US 12,704,369 B2Sciences Et Techniques Industrielles De La Lumiere
- Optical coherence tomography device and optical coherence tomography method19 Aug 2025US 12,392,600 B2Daikin Industries, Ltd.
- Broadband profiler system and method for constructing a three-dimensional profile of a target8 Jul 2025US 12,352,569 B2AP Infosense Limited
- Interferometer system and lithographic apparatus20 May 2025US 12,305,979 B2ASML Netherlands B. V.
- Low-coherence interferometer with surface power compensation20 May 2025US 12,305,981 B2Corning Incorporated
- Coordinated adjustment of object arm and reference arm30 Apr 2026US 2026/0118111 A1RAYLASE GmbH
- Measuring module with adjustable path length difference for laser processing apparatus30 Oct 2025US 2025/0332660 A1RAYLASE GmbH
- Low-Bulk Interferometric Sensor9 Oct 2025US 2025/0314475 A1Sciences Et Techniques Industrielles De La Lumiere
- Method and device for measuring interfaces of an optical element5 Dec 2024US 2024/0402039 A1Fogale Nanotech
- Three-Wavelengths Interferometric Measuring Device And Method14 Nov 2024US 2024/0377183 A1Taylor Hobson Limited
Most cited
By later US patents
- Methods and apparatus for high speed longitudinal scanning in imaging systems551US 6,191,862 B1LightLab Imaging, Inc. · 2001
- Optical imaging apparatus which radiates a low coherence light beam onto a test object, receives optical information from light scattered by the object, and constructs therefrom a cross-sectional image of the object396US 6,069,698 AOlympus Optical Co., Ltd. · 2000
- Arrangements and methods for providing multimodality microscopic imaging of one or more biological structures195US 7,872,759 B2The General Hospital Corporation · 2011
- Arrangements and methods for providing multimodality microscopic imaging of one or more biological structures150US 8,289,522 B2The General Hospital Corporation · 2012
- Short coherence fiber probe interferometric measuring device148US 6,741,355 B2Robert Bosch GmbH · 2004