G02B 6/02138
Based on illuminating a phase mask
Official title: {based on illuminating a phase mask}
G02B6/02138 (Based on illuminating a phase mask) appears on 261 US grants and 171 published applications in this corpus.
Search patents in G02B- Granted patents
- 261
- Published applications
- 171
- Assignees
- 134
- Inventors
- 495
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 11 | 0 |
| 1998 | 23 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 20 | 6 |
| 2002 | 18 | 17 |
| 2003 | 23 | 36 |
| 2004 | 25 | 19 |
| 2005 | 18 | 9 |
| 2006 | 13 | 13 |
| 2007 | 5 | 2 |
| 2008 | 6 | 3 |
| 2009 | 4 | 9 |
| 2010 | 8 | 4 |
| 2011 | 5 | 2 |
| 2012 | 2 | 1 |
| 2013 | 3 | 6 |
| 2014 | 2 | 4 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 5 | 5 |
| 2018 | 6 | 3 |
| 2019 | 2 | 6 |
| 2020 | 6 | 2 |
| 2021 | 2 | 5 |
| 2022 | 3 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase-shifted fiber bragg grating sensor and method for producing same16 Jun 2026US 12,656,543 B2National Research Council of Canada
- Structured film and method of using same to form a pattern on a substrate12 May 2026US 12,625,423 B23M Innovative Properties Company
- Low scattering loss high temperature stable fiber Bragg grating sensor based on micropore formation and method for producing same28 Apr 2026US 12,613,372 B2National Research Council of Canada
- Overlapping fiber gratings18 Feb 2025US 12,228,434 B2Intuitive Surgical Operations, Inc.
- Endoscope including fiber delivery of illumination light11 Feb 2025US 12,222,549 B2Gyrus ACMI, Inc.
- Structured Film and Method of Using Same to Form a Pattern on a Substrate27 Aug 2026US 2026/0251967 A13M Innovative Properties Company
- Overlapped Fiber Bragg Gratings With Different Reflectivities13 Aug 2026US 2026/0235800 A1Intuitive Surgical Operations, Inc.
- Fiber bragg grating element and method for producing same25 Jun 2026US 2026/0177742 A1Waseda University
- High efficiency optical fiber bragg grating device based on micropore formation and method for producing same11 Sep 2025US 2025/0284050 A1
- Method of Manufacturing Nanofiber Cavity for Quantum Computing and Device23 Jan 2025US 2025/0028121 A1Nanofiber Quantum Technologies, Inc.
Most cited
By later US patents
- Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same192US 5,367,588 AHer Majesty the Queen in right of Canada, as represented by the Minister of Communications · 1994
- Fabrication of small-scale cylindrical articles186US 5,951,881 APresident and Fellows of Harvard College · 1999
- Tunable nonlinearly chirped grating113US 5,982,963 AUniversity of Southern California · 1999
- Method of making an optical fiber grating, and article made by the method99US 5,745,615 ALucent Technologies Inc. · 1998
- Optical grating93US 5,830,622 AThe University of Sydney · 1998