G01B 9/02044
Imaging in the frequency domain
Official title: {Imaging in the frequency domain, e.g. by using a spectrometer}
G01B9/02044 (Imaging in the frequency domain) appears on 496 US grants and 612 published applications in this corpus.
Search patents in G01B- Granted patents
- 496
- Published applications
- 612
- Assignees
- 272
- Inventors
- 877
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 11 |
| 2005 | 2 | 8 |
| 2006 | 11 | 17 |
| 2007 | 7 | 34 |
| 2008 | 16 | 36 |
| 2009 | 25 | 22 |
| 2010 | 27 | 40 |
| 2011 | 37 | 40 |
| 2012 | 18 | 37 |
| 2013 | 27 | 43 |
| 2014 | 28 | 36 |
| 2015 | 21 | 34 |
| 2016 | 41 | 32 |
| 2017 | 28 | 27 |
| 2018 | 36 | 34 |
| 2019 | 29 | 26 |
| 2020 | 24 | 23 |
| 2021 | 21 | 31 |
| 2022 | 25 | 24 |
| 2023 | 12 | 12 |
| 2024 | 23 | 21 |
| 2025 | 16 | 11 |
| 2026 | 9 | 10 |
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
- Optical coherence tomography system for subsurface inspection7 Jul 2026US 12,674,657 B2Energetiq Technology, Inc.
- Systems and methods for multi-surface profile estimation via optical coherence tomography23 Jun 2026US 12,663,256 B2Mitsubishi Electric Research Laboratories, Inc.
- Spectral domain optical imaging with wavelength comb illumination9 Jun 2026US 12,650,293 B2Alcon Inc.
- Bulk glass interferometer design with dispersion for complex conjugate resolution and related aspects21 Apr 2026US 12,607,450 B2Leica Microsystems Nc, Inc.
- Apparatus and methods to enhance signal to noise ratio imaging performance in optical coherence tomography24 Sep 2026US 2026/0287326 A1The General Hospital Corporation
- Device for performing optical coherence tomography27 Aug 2026US 2026/0248381 A1Heidelberg Engineering GmbH
- Optical interferometric measuring device and method16 Jul 2026US 2026/0202320 A1Precitec Optronik GmbH
- Spectral domain optical coherence tomography apparatus9 Jul 2026US 2026/0194338 A1The Chinese University of Hong Kong
- Multimodal scanning device, imaging system and method of operating the same2 Jul 2026US 2026/0185814 A1Industrial Technology Research Institute
Most cited
By later US patents
- Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands340US 7,355,716 B2The General Hospital Corporation · 2008
- Three dimensional optical imaging colposcopy275US 5,921,926 AUniversity of Central Florida · 1999
- Optical coherence tomographic system for ophthalmic surgery272US 8,414,564 B2Alcon LenSx, Inc. · 2013
- Three dimensional optical imaging colposcopy246US 6,141,577 AUniversity of Central Florida · 2000
- Diffraction grating based interferometric systems and methods214US 7,006,231 B2SciMed Life Systems, Inc. · 2006