G02B 6/2861
Using fibre optic delay lines and optical elements associated with them
Official title: {using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering (delay lines in general H03H, H01P9/00; optical computing devices G06E)}
G02B6/2861 (Using fibre optic delay lines and optical elements associated with them) appears on 456 US grants and 292 published applications in this corpus.
Search patents in G02B- Granted patents
- 456
- Published applications
- 292
- Assignees
- 252
- Inventors
- 772
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 3 |
| 2002 | 13 | 25 |
| 2003 | 32 | 57 |
| 2004 | 32 | 29 |
| 2005 | 23 | 20 |
| 2006 | 29 | 14 |
| 2007 | 25 | 4 |
| 2008 | 8 | 6 |
| 2009 | 4 | 7 |
| 2010 | 6 | 4 |
| 2011 | 3 | 4 |
| 2012 | 4 | 5 |
| 2013 | 7 | 8 |
| 2014 | 3 | 6 |
| 2015 | 6 | 7 |
| 2016 | 9 | 17 |
| 2017 | 15 | 12 |
| 2018 | 10 | 9 |
| 2019 | 3 | 8 |
| 2020 | 10 | 12 |
| 2021 | 7 | 3 |
| 2022 | 10 | 10 |
| 2023 | 8 | 1 |
| 2024 | 4 | 10 |
| 2025 | 5 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arrayed waveguide grating with reusable delay line (AWG-RDL)11 Aug 2026US 12,704,680 B2California Institute of Technology
- Method, device and non-transitory computer-readable medium for localizing individual emitters in a sample2 Jun 2026US 12,644,838 B2Abberior Instruments GmbH
- Length compensating waveguide for an optical circuit20 Jan 2026US 12,530,518 B2Synopsys, Inc.
- Optical spectrometer system11 Nov 2025US 12,467,788 B2Bar-Ilan University
- Multi-mode multi-pass delay4 Nov 2025US 12,461,310 B1Psiquantum, Corp.
- Tunable optical fading in a receiver to improve out of band rejection for variable baud1 Oct 2026US 2026/0299205 A1Ciena Corporation
- Salts and polymorphs of a tetracycline compound26 Feb 2026US 2026/0053824 A1Paratek Pharmaceuticals, Inc.
- Mach-zehnder interferometers with phase delay arms having a metamaterial region19 Feb 2026US 2026/0050123 A1GLOBALFOUNDRIES U. S. Inc.
- Multiple-width delay arms for a wavelength-division-multiplexing filter5 Feb 2026US 2026/0036749 A1GLOBALFOUNDRIES U. S. Inc.
- Delay-line quantum memory18 Dec 2025US 2025/0383505 A1
Most cited
By later US patents
- Illuminating method and illuminating device196US 6,249,381 B1Sony Corporation · 2001
- Optical switching and routing system193US 5,771,320 AWavefront Research, Inc. · 1998
- Photonic band gap device and method using a periodicity defect region to increase photonic signal delay122US 5,907,427 ATime Domain Corporation · 1999
- Apparatus for generating light pulse train121US 4,136,929 AHitachi, Ltd. · 1979
- Arrayed-wave guide grating multi/demultiplexer with loop-back optical paths100US 5,414,548 ANippon Telegraph and Telephone Corporation · 1995