G01B 9/02055
Reduction or prevention of errors
Official title: Reduction or prevention of errors; Testing; Calibration
G01B9/02055 (Reduction or prevention of errors) appears on 2,027 US grants and 1,981 published applications in this corpus.
Search patents in G01B- Granted patents
- 2,027
- Published applications
- 1,981
- Assignees
- 751
- Inventors
- 3,133
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 10 | 0 |
| 1991 | 11 | 0 |
| 1992 | 21 | 0 |
| 1993 | 15 | 0 |
| 1994 | 21 | 0 |
| 1995 | 22 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 33 | 0 |
| 2000 | 28 | 0 |
| 2001 | 24 | 7 |
| 2002 | 23 | 24 |
| 2003 | 33 | 82 |
| 2004 | 45 | 60 |
| 2005 | 46 | 66 |
| 2006 | 75 | 101 |
| 2007 | 56 | 79 |
| 2008 | 88 | 90 |
| 2009 | 79 | 68 |
| 2010 | 56 | 117 |
| 2011 | 91 | 100 |
| 2012 | 69 | 108 |
| 2013 | 101 | 110 |
| 2014 | 102 | 116 |
| 2015 | 97 | 87 |
| 2016 | 90 | 67 |
| 2017 | 84 | 71 |
| 2018 | 72 | 69 |
| 2019 | 78 | 65 |
| 2020 | 61 | 78 |
| 2021 | 72 | 92 |
| 2022 | 81 | 77 |
| 2023 | 53 | 76 |
| 2024 | 54 | 73 |
| 2025 | 70 | 62 |
| 2026 | 35 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image-plane self-calibration in interferometry using closed triad imaging6 Oct 2026US 12,754,009 B2Associated Universties, Inc.
- Method, a device and a system for numerical data processing22 Sep 2026US 12,740,700 B2OPTOPOL Technology Spolka z ograniczona odpowiedzialnoscia
- Method of spatially aligning a patterning device and a substrate22 Sep 2026US 12,743,035 B2ASML Netherlands B. V.
- Interferometric displacement measurement apparatus15 Sep 2026US 12,736,324 B2Oxford University Innovation Limited
- Three-dimensional shape measuring device, reference surface position adjustment method therefor, and measurement mode switching method therefor8 Sep 2026US 12,729,949 B2Tokyo Seimitsu Co., Ltd.
- Three-dimensional shape measuring device, reference surface position adjustment method therefor, and measurement mode switching method therefor17 Sep 2026US 2026/0276364 A1Tokyo Seimitsu Co., Ltd.
- Device for carrying out an optical coherence tomography10 Sep 2026US 2026/0266588 A1Heidelberg Engineering GmbH
- Apparatus for examining the retina of an eye20 Aug 2026US 2026/0240431 A1Heidelberg Engineering GmbH
- Low-snr optical detection technique using destructive interference20 Aug 2026US 2026/0243685 A1Liom Health AG
- Distance measurement method, distance measurement device, and distance measurement system20 Aug 2026US 2026/0243895 A1Hitachi High-Tech Corporation
Most cited
By later US patents
- Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample1,199US 5,321,501 AMassachusetts Institute of Technology · 1994
- Methods and apparatus for forward-directed optical scanning instruments1,184US 6,485,413 B1The General Hospital Corporation · 2002
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Methods and apparatus for high speed longitudinal scanning in imaging systems551US 6,191,862 B1LightLab Imaging, Inc. · 2001
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000