G01B 9/02048
Rough and fine measurement
Official title: {Rough and fine measurement}
G01B9/02048 (Rough and fine measurement) appears on 52 US grants and 51 published applications in this corpus.
Search patents in G01B- Granted patents
- 52
- Published applications
- 51
- Assignees
- 29
- Inventors
- 97
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 9 |
| 2008 | 4 | 4 |
| 2009 | 0 | 0 |
| 2010 | 6 | 7 |
| 2011 | 3 | 3 |
| 2012 | 6 | 6 |
| 2013 | 2 | 3 |
| 2014 | 5 | 4 |
| 2015 | 1 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Distance measurement device and method based on secondary mixing of inter-mode self-interference signals of optical frequency combs25 Mar 2025US 12,259,240 B1Harbin Institute of Technology
- High-fidelity entangled link generation method based on quantum time-space5 Nov 2024US 12,136,020 B2Shanghai Maritime University
- MEMS tunable VCSEL powered swept source OCT for 3D metrology applications7 Jun 2022US 11,353,318 B2Thorlabs, Inc.
- MEMS tunable VCSEL powered swept source OCT for 3D metrology applications12 Jan 2021US 10,890,431 B2Thorlabs, Inc.
- MEMS tunable VCSEL powered swept source OCT for 3D metrology applications11 Feb 2020US 10,557,701 B2Thorlabs, Inc.
- Optical interferometric measuring device and method16 Jul 2026US 2026/0202320 A1Precitec Optronik GmbH
- High-fidelity entangled link generation method based on quantum time-space10 Oct 2024US 2024/0338588 A1Shanghai Maritime University
- Mems tunable vcsel powered swept source oct for 3d metrology applications8 Apr 2021US 2021/0102799 A1Thorlabs, Inc.
- Mems tunable vcsel powered swept source oct for 3d metrology applications9 Apr 2020US 2020/0109938 A1Thorlabs, Inc.
- Mems tunable vcsel powered swept source oct for 3d metrology applications28 Sep 2017US 2017/0276471 A1Thorlabs, Inc.
Most cited
By later US patents
- Optical mapping apparatus with adjustable depth resolution251US 5,975,697 AOTI Ophthalmic Technologies Inc. · 1999
- Combination of white-light scanning and phase-shifting interferometry for surface profile measurements114US 5,471,303 AWyko Corporation · 1995
- Method and apparatus for optical interferometric measurements with reduced sensitivity to vibration84US 5,589,938 AZygo Corporation · 1996
- Method of motion correction in optical coherence tomography imaging67US 7,365,856 B2Carl Zeiss Meditec AG · 2008
- Interferometry testing of lenses, and systems and devices for same52US 7,688,453 B2Johnson & Johnson Vision Care, Inc. · 2010