C03B 37/02745
Fibres having rotational spin around the central longitudinal axis
Official title: {Fibres having rotational spin around the central longitudinal axis, e.g. alternating +/- spin to reduce polarisation mode dispersion}
C03B37/02745 (Fibres having rotational spin around the central longitudinal axis) appears on 72 US grants and 66 published applications in this corpus.
Search patents in C03B- Granted patents
- 72
- Published applications
- 66
- Assignees
- 33
- Inventors
- 160
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
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| 1992 | 0 | 0 |
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| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 6 | 2 |
| 2004 | 2 | 14 |
| 2005 | 4 | 5 |
| 2006 | 3 | 7 |
| 2007 | 3 | 2 |
| 2008 | 4 | 4 |
| 2009 | 2 | 3 |
| 2010 | 2 | 4 |
| 2011 | 6 | 3 |
| 2012 | 4 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 4 |
| 2019 | 2 | 1 |
| 2020 | 4 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber-based angular homogenizer25 Nov 2025US 12,481,167 B2nLIGHT, Inc.
- Multi-core optical fiber and method for manufacturing multi-core optical fiber19 Jul 2022US 11,391,603 B2Fujikura Ltd.
- Spun round core fiber17 Nov 2020US 10,838,141 B2nLIGHT, Inc.
- Rotary optical beam generator23 Jun 2020US 10,690,854 B2Lumentum Operations LLC
- Production method for multicore optical fiber26 May 2020US 10,662,106 B2Sumitomo Electric Industries, Ltd.
- Method for measuring twist of optical fiber and method for manufacturing optical fiber11 Jun 2026US 2026/0160641 A1Sumitomo Electric Industries, Ltd.
- Fiber-based angular homogenizer9 Nov 2023US 2023/0359051 A1nLIGHT, Inc.
- Method for manufacturing optical fiber13 Jan 2022US 2022/0009817 A1Sumitomo Electric Industries, Ltd.
- Multi-core optical fiber and method for manufacturing multi-core optical fiber2 Sep 2021US 2021/0270642 A1Fujikura Ltd.
- Rotary optical beam generator16 Jan 2020US 2020/0018901 A1Lumentum Operations LLC
Most cited
By later US patents
- Method of making a fiber having low polarization mode dispersion due to a permanent spin58US 5,298,047 AAT&T Bell Laboratories · 1994
- Method of fabricating dispersion compensation fiber51US 5,581,647 ASumitomo Electric Industries, Ltd. · 1996
- Device for heating an annular surface zone of a threadlike object47US 4,547,650 AThomson-CSF · 1985
- Article comprising optical fiber having low polarization mode dispersion, due to permanent spin41US 5,418,881 AAT&T Corp. · 1995
- Multimode optical fibers with increased bandwidth39US 7,043,128 B2Furukawa Electric North America, Inc. · 2006