G01B 9/02017
With multiple interactions between the target object and light beams
Official title: with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
G01B9/02017 (With multiple interactions between the target object and light beams) appears on 484 US grants and 437 published applications in this corpus.
Search patents in G01B- Granted patents
- 484
- Published applications
- 437
- Assignees
- 242
- Inventors
- 894
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 9 |
| 2003 | 11 | 33 |
| 2004 | 16 | 17 |
| 2005 | 20 | 28 |
| 2006 | 17 | 26 |
| 2007 | 29 | 19 |
| 2008 | 27 | 16 |
| 2009 | 28 | 11 |
| 2010 | 5 | 10 |
| 2011 | 5 | 18 |
| 2012 | 4 | 18 |
| 2013 | 11 | 8 |
| 2014 | 15 | 17 |
| 2015 | 18 | 18 |
| 2016 | 16 | 22 |
| 2017 | 14 | 13 |
| 2018 | 22 | 24 |
| 2019 | 25 | 22 |
| 2020 | 22 | 24 |
| 2021 | 20 | 12 |
| 2022 | 12 | 18 |
| 2023 | 11 | 16 |
| 2024 | 4 | 16 |
| 2025 | 16 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Position detection system using laser light interferometry2 Jun 2026US 12,644,691 B2Vdl Enabling Technologies Group B.V.
- Data age reduction2 Jun 2026US 12,644,692 B2Zygo Corporation
- Optical fiber sensor utilizing faraday rotator mirrors and measuring system using the same12 May 2026US 12,624,973 B2Hakusan Inc.
- Charged particle beam writing apparatus, charged particle beam writing method, and phase difference plate adjustment method10 Mar 2026US 12,573,585 B2NuFlare Technology, Inc.
- THz sensor and THz method for measuring an object to be measured27 Jan 2026US 12,535,311 B2CiTEX Holding GmbH
- Device for performing optical coherence tomography27 Aug 2026US 2026/0248381 A1Heidelberg Engineering GmbH
- 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.
- Position measurement method and device18 Jun 2026US 2026/0168822 A1Brightest Technology Taiwan Co., Ltd.
- Parallel optical coherence tomography system using an integrated photonic device4 Jun 2026US 2026/0153324 A1
- Optical path length sensor7 May 2026US 2026/0126283 A1Lumiary AB
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 measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Method and apparatus for acquiring images using a ccd detector array and no transverse scanner522US 5,465,147 AMassachusetts Institute of Technology · 1995
- Differential interferometer system and lithographic step-and-scan apparatus provided with such a system426US 6,046,792 AU. S. Philips Corporation · 2000
- System and method for optically measuring a structure261US 5,880,838 ACalifornia Institute of California · 1999