G01B 2290/70
Aspects of interferometers not specifically covered by any group under g01b9/02: using
Official title: Using polarization in the interferometer
G01B2290/70 (Aspects of interferometers not specifically covered by any group under g01b9/02: using) appears on 1,011 US grants and 858 published applications in this corpus.
Search patents in G01B- Granted patents
- 1,011
- Published applications
- 858
- Assignees
- 390
- Inventors
- 1,508
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 14 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 16 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 22 | 6 |
| 2002 | 13 | 17 |
| 2003 | 29 | 57 |
| 2004 | 30 | 40 |
| 2005 | 39 | 62 |
| 2006 | 54 | 60 |
| 2007 | 53 | 59 |
| 2008 | 58 | 42 |
| 2009 | 51 | 40 |
| 2010 | 29 | 50 |
| 2011 | 49 | 42 |
| 2012 | 27 | 39 |
| 2013 | 34 | 34 |
| 2014 | 29 | 30 |
| 2015 | 27 | 18 |
| 2016 | 28 | 24 |
| 2017 | 24 | 29 |
| 2018 | 39 | 25 |
| 2019 | 30 | 24 |
| 2020 | 18 | 23 |
| 2021 | 27 | 32 |
| 2022 | 33 | 24 |
| 2023 | 11 | 33 |
| 2024 | 19 | 24 |
| 2025 | 34 | 15 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser interferometer and method for controlling laser interferometer15 Sep 2026US 12,736,828 B2Seiko Epson Corporation
- Interferometer for carrying out an optical coherence tomography4 Aug 2026US 12,698,958 B2Heidelberg Engineering GmbH
- Geometric phase in-line scanning holography system for transmissive object19 May 2026US 12,632,006 B2Cubixel Co., Ltd.
- Optical fiber sensor utilizing faraday rotator mirrors and measuring system using the same12 May 2026US 12,624,973 B2Hakusan Inc.
- Low coherence interferometer imaging system21 Apr 2026US 12,607,451 B2National Taiwan University
- Method for determining a position by differential optical interferometry and differential interferometer for doing the same6 Aug 2026US 2026/0227172 A1Prodrive Technologies Innovation Services B.V.
- Method for determining a position of a target by optical interferometry and device for doing the same30 Jul 2026US 2026/0219027 A1Prodrive Technologies Innovation Services B.V.
- Polarization interferometer30 Jul 2026US 2026/0219037 A1Onto Innovation Inc.
- Systems and methods for concurrent measurements of interferometric and ellipsometric signals of multi-layer thin films30 Jul 2026US 2026/0219168 A1Nanoverse Technologies Ltd
- Semiconductor measuring device using polychromatic light and monochromatic light18 Jun 2026US 2026/0168786 A1Samsung Electronics Co., Ltd.
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
- 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
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Fiber optic imaging endoscope interferometer with at least one faraday rotator710US 6,501,551 B1Massachusetts Institute of Technology · 2002
- Rapid depth scanning optical imaging device428US 6,687,010 B1Olympus Corporation · 2004