G01B 9/02004
Using frequency scans
Official title: using frequency scans
G01B9/02004 (Using frequency scans) appears on 620 US grants and 721 published applications in this corpus.
Search patents in G01B- Granted patents
- 620
- Published applications
- 721
- Assignees
- 266
- Inventors
- 895
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 7 |
| 2004 | 3 | 11 |
| 2005 | 6 | 9 |
| 2006 | 9 | 20 |
| 2007 | 5 | 23 |
| 2008 | 15 | 40 |
| 2009 | 27 | 28 |
| 2010 | 24 | 29 |
| 2011 | 34 | 33 |
| 2012 | 16 | 39 |
| 2013 | 39 | 34 |
| 2014 | 35 | 44 |
| 2015 | 29 | 49 |
| 2016 | 38 | 40 |
| 2017 | 46 | 48 |
| 2018 | 41 | 31 |
| 2019 | 43 | 26 |
| 2020 | 27 | 37 |
| 2021 | 32 | 44 |
| 2022 | 28 | 27 |
| 2023 | 25 | 34 |
| 2024 | 20 | 23 |
| 2025 | 28 | 17 |
| 2026 | 8 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image acquisition at accurate start wavelength25 Aug 2026US 12,714,286 B2Canon U.S.A., Inc.
- 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.
- Cat's-eye swept source laser for oct and spectroscopy26 May 2026US 12,638,387 B2KineoLabs, Inc.
- Optical interferometric range sensor26 May 2026US 12,638,586 B2OMRON Corporation
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography24 Sep 2026US 2026/0287326 A1The General Hospital Corporation
- Cat's-eye swept source laser for OCT and spectroscopy27 Aug 2026US 2026/0251565 A1
- Distance measurement method, distance measurement device, and distance measurement system20 Aug 2026US 2026/0243895 A1Hitachi High-Tech Corporation
- Optical coherence tomography system for ranging applications13 Aug 2026US 2026/0235394 A1Careglance Srl
- Measurement path generating device, measurement path generating method, and measurement system6 Aug 2026US 2026/0227179 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- 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
- Fiber optic imaging endoscope interferometer with at least one faraday rotator710US 6,501,551 B1Massachusetts Institute of Technology · 2002
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Three dimensional optical imaging colposcopy275US 5,921,926 AUniversity of Central Florida · 1999