G01B 9/0201
Using temporal phase variation
Official title: {using temporal phase variation}
G01B9/0201 (Using temporal phase variation) appears on 230 US grants and 230 published applications in this corpus.
Search patents in G01B- Granted patents
- 230
- Published applications
- 230
- Assignees
- 145
- Inventors
- 456
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 2 |
| 2003 | 7 | 13 |
| 2004 | 3 | 13 |
| 2005 | 8 | 12 |
| 2006 | 14 | 9 |
| 2007 | 8 | 9 |
| 2008 | 15 | 15 |
| 2009 | 10 | 6 |
| 2010 | 7 | 18 |
| 2011 | 11 | 10 |
| 2012 | 6 | 4 |
| 2013 | 9 | 12 |
| 2014 | 7 | 7 |
| 2015 | 5 | 6 |
| 2016 | 9 | 6 |
| 2017 | 5 | 7 |
| 2018 | 9 | 10 |
| 2019 | 15 | 13 |
| 2020 | 6 | 13 |
| 2021 | 11 | 6 |
| 2022 | 6 | 8 |
| 2023 | 8 | 10 |
| 2024 | 10 | 9 |
| 2025 | 5 | 6 |
| 2026 | 3 | 5 |
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
- Tunable cascaded Mach-Zehnder interferometer structures28 Jul 2026US 12,693,571 B2Intel Corporation
- Laser interferometer6 Jan 2026US 12,516,921 B2Seiko Epson Corporation
- Optical sensing device for measuring deformation of a sample11 Nov 2025US 12,467,743 B2Optics11 B.V.
- Active quadrature demodulation for subsampled/circular ranging optical coherence tomography30 Sep 2025US 12,429,324 B2The General Hospital Corporation
- Low-snr optical detection technique using destructive interference20 Aug 2026US 2026/0243685 A1Liom Health AG
- Systems and methods for phase-shift interferometry utilizing logarithmized probability density fit of phase shift interference data11 Jun 2026US 2026/0160705 A1
- Optical Coherence Tomography Device28 May 2026US 2026/0146842 A1IT Concepts, LLC
- Fringe projection-based spatial phase imaging monitoring system using single optical path21 May 2026US 2026/0139941 A1Korea Research Institute of Standards and Science
- Interferometric retroreflecting sensor system15 Jan 2026US 2026/0016281 A1The Board of Trustees of the Leland Stanford Junior 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
- Methods and apparatus for forward-directed optical scanning instruments1,184US 6,485,413 B1The General Hospital Corporation · 2002
- Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope1,079US 6,134,003 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Fiber optic imaging endoscope interferometer with at least one faraday rotator710US 6,501,551 B1Massachusetts Institute of Technology · 2002