G01B 9/02057
By using common path configuration, i.e. reference and object path almost entirely
Official title: {by using common path configuration, i.e. reference and object path almost entirely overlapping}
G01B9/02057 (By using common path configuration, i.e. reference and object path almost entirely) appears on 460 US grants and 422 published applications in this corpus.
Search patents in G01B- Granted patents
- 460
- Published applications
- 422
- Assignees
- 192
- Inventors
- 674
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 6 |
| 2003 | 6 | 23 |
| 2004 | 12 | 18 |
| 2005 | 15 | 22 |
| 2006 | 29 | 30 |
| 2007 | 18 | 28 |
| 2008 | 36 | 31 |
| 2009 | 27 | 23 |
| 2010 | 18 | 38 |
| 2011 | 34 | 27 |
| 2012 | 25 | 30 |
| 2013 | 25 | 14 |
| 2014 | 14 | 9 |
| 2015 | 13 | 11 |
| 2016 | 9 | 8 |
| 2017 | 13 | 6 |
| 2018 | 8 | 13 |
| 2019 | 9 | 8 |
| 2020 | 10 | 12 |
| 2021 | 7 | 18 |
| 2022 | 20 | 13 |
| 2023 | 10 | 14 |
| 2024 | 5 | 8 |
| 2025 | 11 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interferometric displacement measurement apparatus15 Sep 2026US 12,736,324 B2Oxford University Innovation Limited
- Absolute measurement method for the phase of the complex coherence coefficient4 Aug 2026US 12,698,959 B2Shanghai Institute of Technical Physics, Chinese Academy of Sciences
- Geometric phase in-line scanning holography system for transmissive object19 May 2026US 12,632,006 B2Cubixel Co., Ltd.
- Systems and methods for semiconductor chip surface topography metrology4 Nov 2025US 12,460,920 B2Yangtze Memory Technologies Co., Ltd.
- Imaging system and method30 Sep 2025US 12,429,325 B2Scenera Technologies, LLC
- Automated interferometric metrology system for use with exchangeable optical element having embedded calibration information30 Jul 2026US 2026/0219030 A1Zygo Corporation
- System and method for interferometrically measuring a distance16 Jul 2026US 2026/0202543 A1Attocube Systems AG
- Systems and methods for quasi-doppler shift interferometer15 Jan 2026US 2026/0017781 A1
- Method for the interferometric determination of the surface shape of a test object18 Dec 2025US 2025/0383198 A1Carl Zeiss SMT GmbH
- Optical device for heterodyne interferometry2 Oct 2025US 2025/0305811 A1Chamartin Laboratories LLC
Most cited
By later US patents
- Measurements of substances using two different propagation modes of light through a common optical path174US 6,903,820 B2Tomophase Corporation · 2005
- Pulsed source scanning interferometer164US 6,556,305 B1Veeco Instruments Inc. · 2003
- Short coherence fiber probe interferometric measuring device148US 6,741,355 B2Robert Bosch GmbH · 2004
- Frequency transform phase shifting interferometry141US 6,882,432 B2Zygo Corporation · 2005
- Combination of white-light scanning and phase-shifting interferometry for surface profile measurements114US 5,471,303 AWyko Corporation · 1995