G01B 9/02
Interferometers
G01B9/02 (Interferometers) appears on 5,221 US grants and 5,317 published applications in this corpus.
Search patents in G01B- Granted patents
- 5,221
- Published applications
- 5,317
- Assignees
- 1,750
- Inventors
- 8,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 15 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 13 | 0 |
| 1981 | 7 | 0 |
| 1982 | 15 | 0 |
| 1983 | 13 | 0 |
| 1984 | 12 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 33 | 0 |
| 1988 | 25 | 0 |
| 1989 | 33 | 0 |
| 1990 | 23 | 0 |
| 1991 | 28 | 0 |
| 1992 | 38 | 0 |
| 1993 | 31 | 0 |
| 1994 | 47 | 0 |
| 1995 | 49 | 0 |
| 1996 | 41 | 0 |
| 1997 | 34 | 0 |
| 1998 | 50 | 0 |
| 1999 | 61 | 0 |
| 2000 | 62 | 0 |
| 2001 | 51 | 17 |
| 2002 | 41 | 60 |
| 2003 | 83 | 133 |
| 2004 | 87 | 117 |
| 2005 | 88 | 129 |
| 2006 | 125 | 153 |
| 2007 | 99 | 155 |
| 2008 | 141 | 166 |
| 2009 | 159 | 149 |
| 2010 | 118 | 214 |
| 2011 | 160 | 204 |
| 2012 | 127 | 229 |
| 2013 | 183 | 264 |
| 2014 | 209 | 288 |
| 2015 | 229 | 306 |
| 2016 | 258 | 259 |
| 2017 | 286 | 259 |
| 2018 | 268 | 288 |
| 2019 | 304 | 269 |
| 2020 | 236 | 289 |
| 2021 | 257 | 296 |
| 2022 | 251 | 290 |
| 2023 | 213 | 234 |
| 2024 | 213 | 239 |
| 2025 | 224 | 174 |
| 2026 | 121 | 136 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01B 9/0209Low-coherence interferometers2,319
- G01B 9/02055Reduction or prevention of errors2,027
- G01B 9/02001Characterised by controlling or generating intrinsic radiation properties1,860
- G01B 9/02015Characterised by the beam path configuration1,727
- G01B 9/02041Characterised by particular imaging or detection techniques998
- G01B 9/02083Characterised by particular signal processing and presentation878
- G01B 9/02049Characterised by particular mechanical design details570
- G01B 9/02034Characterised by particularly shaped beams or wavefronts324
Recent patents
- Image-plane self-calibration in interferometry using closed triad imaging6 Oct 2026US 12,754,009 B2Associated Universties, Inc.
- Cylindric decomposition for efficient mitigation of substrate deformation with film deposition and ion implantation29 Sep 2026US 12,751,253 B2APPLIED Materials.Inc.
- Method, a device and a system for numerical data processing22 Sep 2026US 12,740,700 B2OPTOPOL Technology Spolka z ograniczona odpowiedzialnoscia
- Optical coherence tomograph22 Sep 2026US 12,742,629 B2Furukawa Electric Co., Ltd.
- System and method for high-resolution reflection tomographic imaging22 Sep 2026US 12,742,630 B2Korea Advanced Institute of Science and Technology
- Method for driving laser light source and laser interferometer1 Oct 2026US 2026/0298612 A1Seiko Epson Corporation
- Interference observation device and interference observation method1 Oct 2026US 2026/0298613 A1Hamamatsu Photonics K.K.
- Compact interferometer1 Oct 2026US 2026/0298614 A1United Kingdom Research and Innovation
- Optical sensor modules with interferometric sensing1 Oct 2026US 2026/0298615 A1Apple Inc.
- Shape measurement system, processing apparatus, shape measurement method, processing method, and chip manufacturing method1 Oct 2026US 2026/0298616 A1Disco Corporation
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 needle probes for optical coherence tomography imaging722US 6,564,087 B1Massachusetts Institute of Technology · 2003