G01B 9/02028
Two or more reference or object arms in one interferometer
Official title: {Two or more reference or object arms in one interferometer}
G01B9/02028 (Two or more reference or object arms in one interferometer) appears on 268 US grants and 272 published applications in this corpus.
Search patents in G01B- Granted patents
- 268
- Published applications
- 272
- Assignees
- 195
- Inventors
- 564
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 7 |
| 2004 | 4 | 8 |
| 2005 | 6 | 6 |
| 2006 | 7 | 10 |
| 2007 | 6 | 6 |
| 2008 | 5 | 11 |
| 2009 | 8 | 5 |
| 2010 | 6 | 16 |
| 2011 | 8 | 18 |
| 2012 | 7 | 15 |
| 2013 | 17 | 16 |
| 2014 | 16 | 15 |
| 2015 | 14 | 11 |
| 2016 | 14 | 14 |
| 2017 | 13 | 9 |
| 2018 | 12 | 6 |
| 2019 | 5 | 13 |
| 2020 | 11 | 16 |
| 2021 | 14 | 16 |
| 2022 | 18 | 14 |
| 2023 | 11 | 14 |
| 2024 | 8 | 8 |
| 2025 | 12 | 7 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for mapping and ranging based on coherent-time comparison14 Jul 2026US 12,680,808 B2Lidwave Ltd.
- Low coherence interferometer imaging system21 Apr 2026US 12,607,451 B2National Taiwan University
- Imaging systems with improved accuracy and measurements31 Mar 2026US 12,588,808 B2Aliph Medical Inc.
- Parallel optical coherence tomography apparatuses, systems, and related methods20 Jan 2026US 12,527,473 B2Digital Diagnostics Inc.
- Band-pass sampling in a swept source optical coherence tomography imaging system to extend imaging range2 Dec 2025US 12,487,072 B2Optos PLC
- Device for carrying out an optical coherence tomography10 Sep 2026US 2026/0266588 A1Heidelberg Engineering GmbH
- Device for measuring the eye length3 Sep 2026US 2026/0256354 A1Heidelberg Engineering GmbH
- Device for performing optical coherence tomography27 Aug 2026US 2026/0248381 A1Heidelberg Engineering GmbH
- Laser stabilization apparatus and method using homodyne interferometer-type optical reference module13 Aug 2026US 2026/0235393 A1Korea Advanced Institute of Science and Technology
- Detection device and corresponding detection method13 Aug 2026US 2026/0235756 A1ams-OSRAM AG
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 coherence tomography with new interferometer363US 6,053,613 ACarl Zeiss AG · 2000
- Apparatus and method for low coherence ranging298US 7,310,150 B2The General Hospital Corporation · 2007
- Optical mapping apparatus with adjustable depth resolution251US 5,975,697 AOTI Ophthalmic Technologies Inc. · 1999
- Method and device for measuring the optical properties of at least two regions located at a distance from one another in a transparent and/or diffuse object195US 6,806,963 B1Haag-Streit AG · 2004