G02B 6/02285
Characterised by the polarisation mode dispersion [pmd] properties
Official title: {Characterised by the polarisation mode dispersion [PMD] properties, e.g. for minimising PMD (fabrication methods for minimising PMD C03B37/02745)}
G02B6/02285 (Characterised by the polarisation mode dispersion [pmd] properties) appears on 145 US grants and 121 published applications in this corpus.
Search patents in G02B- Granted patents
- 145
- Published applications
- 121
- Assignees
- 52
- Inventors
- 280
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 4 |
| 2002 | 7 | 14 |
| 2003 | 12 | 23 |
| 2004 | 19 | 18 |
| 2005 | 13 | 11 |
| 2006 | 10 | 9 |
| 2007 | 7 | 7 |
| 2008 | 9 | 6 |
| 2009 | 4 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 1 |
| 2014 | 4 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arrangement and method for efficient non-linear light conversion20 Jan 2026US 12,529,838 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Polarization-maintaining dispersion-compensation microstructure fiber21 Oct 2025US 12,449,592 B2Yanshan University
- Single-core polarization-maintaining dispersion compensation micro-structured optical fiber8 Oct 2024US 12,111,491 B2Yanshan University
- Polarization-maintaining highly elliptical core fiber with stress-induced birefringence27 Feb 2024US 11,916,348 B2Huawei Technologies Canada Co., Ltd.
- Optical fiber and optical cable12 Dec 2023US 11,841,529 B2Sumitomo Electric Industries, Ltd.
- Multicore optical fiber14 Aug 2025US 2025/0258333 A1
- Mitigating cross-talk in multi-core optical fiber under micro-bending7 Aug 2025US 2025/0251543 A1OFS Fitel, LLC
- Optical cable and method for manufacturing optical cable1 May 2025US 2025/0138268 A1Sumitomo Electric Industries, Ltd.
- Single-core polarization-maintaining dispersion compensation micro-structured optical fiber18 Jan 2024US 2024/0019631 A1Yanshan University
- Arrangement and method for efficient non-linear light conversion7 Dec 2023US 2023/0393331 A1Friedrich-Schiller-Universitaet Jena
Most cited
By later US patents
- Dispersion compensating fiber and optical transmission system including the same83US 5,838,867 ASumitomo Electric Industries, Ltd. · 1998
- Dispersion-shifted fiber77US 5,721,800 ASumitomo Electric Industries, Ltd. · 1998
- Bandwidth enhancement of multimode optical transmisson lines71US 4,723,828 ANorthern Telecom Limited · 1988
- Optical transmission system with dispersion compensating optical fiber66US 5,555,340 ASumitomo Electric Industries, Ltd. · 1996
- Method of fabricating sub-micron structures in transparent dielectric materials63US 7,033,519 B2National Research Council of Canada · 2006