G02B 6/3592
Means for removing polarization dependence of the switching means, i.e. polarization insensitive
Official title: {Means for removing polarization dependence of the switching means, i.e. polarization insensitive switching (light guides coupling with polarization selective and adjusting means G02B6/27)}
G02B6/3592 (Means for removing polarization dependence of the switching means, i.e. polarization insensitive) appears on 80 US grants and 76 published applications in this corpus.
Search patents in G02B- Granted patents
- 80
- Published applications
- 76
- Assignees
- 50
- Inventors
- 157
- Latest grant
- 21 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 3 |
| 2002 | 3 | 15 |
| 2003 | 6 | 5 |
| 2004 | 10 | 5 |
| 2005 | 4 | 6 |
| 2006 | 6 | 2 |
| 2007 | 4 | 2 |
| 2008 | 3 | 3 |
| 2009 | 3 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 5 |
| 2015 | 1 | 3 |
| 2016 | 1 | 6 |
| 2017 | 6 | 4 |
| 2018 | 4 | 5 |
| 2019 | 8 | 3 |
| 2020 | 6 | 4 |
| 2021 | 0 | 0 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diffractive waveplate lenses and applications21 Jun 2022US 11,366,253 B2Beam Engineering for Advanced Measurements Co.
- High-efficiency wide-angle beam steering system21 Jun 2022US 11,366,254 B2Beam Engineering for Advanced Measurements Co.
- Optical multicast switch with broadcast capability5 Apr 2022US 11,296,811 B2Juniper Networks, Inc.
- Systems and methods of aberration correction in optical systems8 Dec 2020US 10,859,739 B2II-Vi Delaware, Inc.
- Optical device and methods1 Dec 2020US 10,856,057 B2Cambridge Enterprise Limited
- Polarization-diverse integrated photonic switch with multi-layer waveguides20 Aug 2026US 2026/0243951 A1
- Optical device for polarization dependent loss compensation9 Apr 2026US 2026/0099006 A1
- Optical multicast switch with broadcast capability5 Nov 2020US 2020/0351005 A1Juniper Networks, Inc.
- Diffractive waveplate lenses and applications14 May 2020US 2020/0150323 A1Beam Engineering for Advanced Measurements Co.
- High-efficiency wide-angle beam steering system14 May 2020US 2020/0150324 A1Beam Engineering for Advanced Measurements Co.
Most cited
By later US patents
- Multi-wavelength cross-connect optical switch282US 6,097,859 AThe Regents of the University of California · 2000
- Wavelength selective cross-connect switch using a MEMS shutter array124US 6,535,311 B1Corning Incorporated · 2003
- Variable optical attenuator systems88US 7,333,685 B2Avago Technologies Fiber IP (Singapore) Pte. Ltd. · 2008
- Dual-source optical wavelength processor88US 7,397,980 B2Optium Australia PTY Limited · 2008
- Multi-wavelength cross-connect optical switch82US 6,289,145 B1The Regents of the University of California · 2001