G02B 6/2786
Reducing the polarisation degree, i.e. depolarisers, scramblers, unpolarised output
Official title: {Reducing the polarisation degree, i.e. depolarisers, scramblers, unpolarised output}
G02B6/2786 (Reducing the polarisation degree, i.e. depolarisers, scramblers, unpolarised output) appears on 73 US grants and 56 published applications in this corpus.
Search patents in G02B- Granted patents
- 73
- Published applications
- 56
- Assignees
- 50
- Inventors
- 126
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 4 |
| 2003 | 6 | 5 |
| 2004 | 3 | 3 |
| 2005 | 6 | 2 |
| 2006 | 2 | 1 |
| 2007 | 4 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 0 | 3 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 6 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 5 |
| 2021 | 3 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Depolarizer and optical amplifier excitation apparatus29 Jul 2025US 12,372,721 B2Nippon Telegraph and Telephone Corporation
- Polarization scrambler using a retardance element11 Jun 2024US 12,007,631 B2Viavi Solutions Inc.
- Aperture multiplier with depolarizer9 Apr 2024US 11,953,682 B2Lumus Ltd.
- Electronically controlled depolarizer based on crossed-slit waveguide12 Mar 2024US 11,927,800 B2Zhejiang University
- Polarization scrambler using a retardance element12 Sep 2023US 11,754,862 B2Viavi Solutions Inc.
- Depolarization integrated optical chip module and manufacturing method thereof25 Jun 2026US 2026/0177747 A1CoreTech Optical, Inc.
- Depolarizer, depolarizer adjustment method, and depolarizer manufacturing method11 Sep 2025US 2025/0284063 A1Furukawa Electric Co., Ltd.
- Aperture Multiplier with Depolarizer15 May 2025US 2025/0155707 A1Lumus Ltd.
- Aperture Multiplier with Depolarizer15 Aug 2024US 2024/0272430 A1Lumus Ltd.
- Polarization scrambler using a retardance element18 Jan 2024US 2024/0019721 A1Viavi Solutions Inc.
Most cited
By later US patents
- Devices for depolarizing polarized light80US 6,498,869 B12002
- Method and apparatus for scrambling the polarization of signal lights forming a wavelength division multiplexed signal light61US 5,841,557 AFujitsu Limited · 1998
- Optical wavelength division multiplexer50US 6,690,854 B2Agilent Technologies, Inc. · 2004
- Laser diode module and depolarizer34US 5,692,082 AFujitsu Limited · 1997
- Colorless optical network architecture and network components33US 8,559,775 B22013