G02F 1/211
Sagnac type
Official title: {Sagnac type}
G02F1/211 (Sagnac type) appears on 34 US grants and 27 published applications in this corpus.
Search patents in G02F- Granted patents
- 34
- Published applications
- 27
- Assignees
- 39
- Inventors
- 94
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 3 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 4 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generator for generating an anti-Kerr-effect modulated light signal, interferometry measuring device comprising such a generator, and method for modulating a light signal9 Jun 2026US 12,650,306 B2Centre National D'Etudes Spatiales
- Systems and methods for performing quantum telecommunications using a bichromatic entanglement source2 Jun 2026US 12,647,188 B2Qunnect, Inc.
- Optical encoder devices and systems28 May 2024US 11,996,889 B2Lawrence Livermore National Security, LLC
- Optical encoder devices and systems7 Feb 2023US 11,575,438 B2Lawrence Livermore National Security, LLC
- Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device21 Jun 2022US 11,366,070 B2Nikon Corporation
- Dielectric waveguide-based multi-mode interference coupler and interferometer23 Jul 2026US 2026/0211186 A1Silith Technology Pte. Ltd.
- Ultra-low noise quantum frequency conversion for trapped ion quantum network19 Mar 2026US 2026/0079378 A1University of Maryland, College Park
- Systems and methods/processes for optical interferometric sensing4 Jul 2024US 2024/0223421 A1
- Optical encoder devices and systems6 Jun 2024US 2024/0187096 A1Lawrence Livermore National Security, LLC
- Generator for generating an anti-kerr-effect modulated light signal, interferometry measuring device comprising such a generator, and method for modulating a light signal16 May 2024US 2024/0159537 A1Centre National D'Etudes Spatiales
Most cited
By later US patents
- Technique of reducing the Kerr effect and extending the dynamic range in a brillouin fiber optic gyroscope39US 5,537,671 AThe Board of Trustees of the Leland Stanford Junior University · 1996
- Semiconductor laser pump source35US 5,163,058 AGeneral Electric Company · 1992
- Wideband single sideband modulation of optical carriers32US 6,262,834 B1The United States of America as represented by the Secretary of the Navy · 2001
- Optical resonating device24US 4,839,898 ABritish Telecommunications Public Ltd.Co. · 1989
- Passive ring resonator gyro with polarization rotating ring path23US 5,018,857 AHoneywell Inc. · 1991