G02B 6/29355
Cascade arrangement of interferometers
Official title: {Cascade arrangement of interferometers}
G02B6/29355 (Cascade arrangement of interferometers) appears on 237 US grants and 224 published applications in this corpus.
Search patents in G02B- Granted patents
- 237
- Published applications
- 224
- Assignees
- 143
- Inventors
- 488
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 4 |
| 2002 | 11 | 17 |
| 2003 | 16 | 18 |
| 2004 | 21 | 15 |
| 2005 | 12 | 8 |
| 2006 | 11 | 7 |
| 2007 | 8 | 6 |
| 2008 | 3 | 3 |
| 2009 | 3 | 12 |
| 2010 | 5 | 5 |
| 2011 | 8 | 4 |
| 2012 | 3 | 4 |
| 2013 | 4 | 8 |
| 2014 | 5 | 3 |
| 2015 | 2 | 2 |
| 2016 | 4 | 8 |
| 2017 | 6 | 4 |
| 2018 | 4 | 2 |
| 2019 | 4 | 9 |
| 2020 | 11 | 16 |
| 2021 | 9 | 12 |
| 2022 | 9 | 14 |
| 2023 | 10 | 13 |
| 2024 | 13 | 9 |
| 2025 | 6 | 11 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Technologies for optical demultiplexing with backwards compatibility6 Oct 2026US 12,754,364 B2Intel Corporation
- Optical flow switching using photonic integrated circuits29 Sep 2026US 12,748,263 B2Lightmatter, Inc.
- Microring resonator-based optical device with improved linearity18 Aug 2026US 12,711,367 B2Hewlett Packard Enterprise Development LP
- Integrated photonic 2×3 coupler28 Jul 2026US 12,693,475 B2Cisco Technology, Inc.
- Tunable cascaded Mach-Zehnder interferometer structures28 Jul 2026US 12,693,571 B2Intel Corporation
- Integrated photonic 2x3 coupler1 Oct 2026US 2026/0299208 A1Cisco Technology, Inc.
- Mach-zehnder interferometers having folded delay arms6 Aug 2026US 2026/0227574 A1GLOBALFOUNDRIES U. S. Inc.
- Data transmission device and data transmission method18 Jun 2026US 2026/0169226 A1Industrial Technology Research Institute
- Tunable laser with channel selector18 Jun 2026US 2026/0171750 A1Terabix, Inc.
- Reflector with tunable spectral reflectance28 May 2026US 2026/0149233 A1Marvell Asia Pte Ltd
Most cited
By later US patents
- Wavelength multiplexed light transfer unit and wavelength multiplexed light transfer system87US 5,850,301 AMitsubishi Denki Kabushiki Kaisha · 1998
- Dense waveguide division multiplexers implemented using a first stage fourier filter83US 5,852,505 ALucent Technologies Inc. · 1998
- Monolithic optical waveguide filters based on Fourier expansion82US 5,596,661 ALucent Technologies Inc. · 1997
- Integrated optical beam steering system74US 10,345,519 B1Microsoft Technology Licensing, LLC · 2019
- Reconfigurable add-drop multiplexer for optical communications systems65US 6,035,080 A2000