G01B 9/02009
By using two or more low coherence lengths using different or varying
Official title: {by using two or more low coherence lengths using different or varying spectral width}
G01B9/02009 (By using two or more low coherence lengths using different or varying) appears on 22 US grants and 22 published applications in this corpus.
Search patents in G01B- Granted patents
- 22
- Published applications
- 22
- Assignees
- 20
- Inventors
- 48
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography21 Jul 2026US 12,687,384 B2The General Hospital Corporation
- Method and apparatus for mapping and ranging based on coherent-time comparison14 Jul 2026US 12,680,808 B2Lidwave Ltd.
- Method and apparatus for measuring distance3 Jun 2025US 12,320,639 B2Loughborough University
- Interferometer with multiple wavelength sources of different coherence lengths15 Mar 2022US 11,274,915 B2Arizona Board of Regents on Behalf of the University of Arizona
- Automated polarization control16 Nov 2021US 11,175,126 B2Canon U.S.A., Inc.
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography24 Sep 2026US 2026/0287326 A1The General Hospital Corporation
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography11 Jul 2024US 2024/0230316 A1The General Hospital Corporation
- Method and apparatus for measuring distance6 Jul 2023US 2023/0213326 A1Loughborough University
- Method and apparatus for mapping and ranging based on coherent-time comparison25 May 2023US 2023/0160681 A1Lidwave Ltd.
- Interferometer with multiple wavelength sources of different coherence lengths25 Mar 2021US 2021/0088321 A1Arizona Board of Regents on Behalf of the University of Arizona
Most cited
By later US patents
- Optical mapping apparatus with adjustable depth resolution251US 5,975,697 AOTI Ophthalmic Technologies Inc. · 1999
- Method and apparatus for the rapid acquisition of data in coherence scanning interferometry70US 5,402,234 AZygo Corporation · 1995
- Associated dual interferometric measurement method for determining a physical property of an object49US 5,596,409 AEastman Kodak Company · 1997
- Variable resolution optical coherence tomography scanner and method for using same37US 8,500,279 B2Carl Zeiss Meditec AG · 2013
- Systems and methods for faster optical coherence tomography acquisition and processing25US 9,192,294 B2Carl Zeiss Meditec AG · 2015