G02B 5/289
Rugate filters
Official title: {Rugate filters}
G02B5/289 (Rugate filters) appears on 78 US grants and 47 published applications in this corpus.
Search patents in G02B- Granted patents
- 78
- Published applications
- 47
- Assignees
- 53
- Inventors
- 146
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 3 | 2 |
| 2012 | 4 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 5 | 3 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 4 |
| 2020 | 2 | 3 |
| 2021 | 0 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 4 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical filter and optical device utilizing same24 Feb 2026US 12,558,874 B2Samsung Electronics Co., Ltd.
- Sleep-aiding eyewear with improved visibility18 Nov 2025US 12,474,600 B2Dreamers Holdings, Inc.
- Method and system for fabrication and use of a spectral basis filter19 Aug 2025US 12,392,943 B2DRS Network & Imaging Systems, LLC
- Methods, systems, and apparatus for modulating or reducing photophobic responses12 Aug 2025US 12,383,698 B2University of Utah Research Foundation
- Methods, systems, and apparatus for modulating or reducing photophobic responses8 Apr 2025US 12,268,822 B2University of Utah Research Foundation
- Methods, systems, and apparatus for modulating or reducing photophobic responses7 May 2026US 2026/0124426 A1University of Utah Research Foundation
- Methods, systems, and apparatus for modulating or reducing photophobic responses19 Mar 2026US 2026/0077153 A1University of Utah Research Foundation
- Method and system for fabrication and use of a spectral basis filter8 Jan 2026US 2026/0009935 A1DRS Network & Imaging Systems, LLC
- Waveguide arrangement24 Jul 2025US 2025/0237867 A1Dispelix Oy
- Method for producing an optical layer system, and an optical layer system produced therewith29 May 2025US 2025/0171888 A1Fhr Anlagenbau GmbH
Most cited
By later US patents
- Graded index Fabry-Perot optical filter device251US 4,377,324 AHoneywell Inc. · 1983
- High efficiency optical diffraction device172US 7,454,103 B22008
- Multilayer optical dielectric coating119US 4,925,259 AThe United States of America as represented by the United States Department of Energy · 1990
- Graded index asperhic combiners and display system utilizing same82US 4,968,117 AHughes Aircraft Company · 1990
- Process for forming a graded index optical material and structures formed thereby73US 4,545,646 AHughes Aircraft Company · 1985