G01B 9/02084
Processing in the fourier or frequency domain when not imaged in the
Official title: {Processing in the Fourier or frequency domain when not imaged in the frequency domain}
G01B9/02084 (Processing in the fourier or frequency domain when not imaged in the) appears on 200 US grants and 208 published applications in this corpus.
Search patents in G01B- Granted patents
- 200
- Published applications
- 208
- Assignees
- 131
- Inventors
- 355
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 3 |
| 2004 | 2 | 10 |
| 2005 | 6 | 13 |
| 2006 | 6 | 7 |
| 2007 | 11 | 14 |
| 2008 | 16 | 15 |
| 2009 | 12 | 12 |
| 2010 | 9 | 9 |
| 2011 | 9 | 7 |
| 2012 | 7 | 9 |
| 2013 | 10 | 8 |
| 2014 | 5 | 2 |
| 2015 | 2 | 12 |
| 2016 | 11 | 6 |
| 2017 | 6 | 4 |
| 2018 | 4 | 10 |
| 2019 | 11 | 8 |
| 2020 | 7 | 5 |
| 2021 | 7 | 15 |
| 2022 | 10 | 11 |
| 2023 | 10 | 15 |
| 2024 | 5 | 5 |
| 2025 | 9 | 4 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Detection system, compensation method, and computer readable medium for semiconductor surface morphology14 Apr 2026US 12,601,582 B2Chroma Ate Inc.
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- Laser interferometer6 Jan 2026US 12,516,921 B2Seiko Epson Corporation
- Method for determining a position of a mirror6 Jan 2026US 12,516,963 B2Carl Zeiss SMT GmbH
- Dual-comb spectroscopy system with tunable frequency difference at high repetition rates13 Aug 2026US 2026/0235439 A1South China University of Technology
- Detection device and corresponding detection method13 Aug 2026US 2026/0235756 A1ams-OSRAM AG
- Semiconductor measuring device using beam displacer30 Oct 2025US 2025/0334393 A1Samsung Electronics Co., Ltd.
- Detection system, compensation method, and computer readable medium for semiconductor surface morphology29 May 2025US 2025/0172379 A1Chroma Ate Inc.
- Method of calculating optical aerial image10 Apr 2025US 2025/0116501 A1National Tsing Hua University
Most cited
By later US patents
- Method and apparatus for performing optical imaging using frequency-domain interferometry229US 7,733,497 B2The General Hospital Corporation · 2010
- Method and apparatus for surface topography measurement by spatial-frequency analysis of interferograms174US 5,398,113 AZygo Corporation · 1995
- High speed inspection of a sample using coherence processing of scattered superbroad radiation158US 6,014,214 A2000
- Method and apparatus for performing optical imaging using frequency-domain interferometry88US 7,969,578 B2The General Hospital Corporation · 2011
- Method of providing images of surfaces with a correlation microscope by transforming interference signals86US 5,194,918 AThe Board of Trustees of the Leland Stanford Junior University · 1993