G02B 6/02271
Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550
Official title: {Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between 1.0 to 10 ps/nm.km for avoiding nonlinear effects}
G02B6/02271 (Non-zero dispersion shifted fibres, i.e. having a small positive dispersion at 1550) appears on 162 US grants and 141 published applications in this corpus.
Search patents in G02B- Granted patents
- 162
- Published applications
- 141
- Assignees
- 41
- Inventors
- 272
- Latest grant
- 10 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 8 |
| 2002 | 13 | 17 |
| 2003 | 23 | 29 |
| 2004 | 24 | 30 |
| 2005 | 26 | 15 |
| 2006 | 20 | 5 |
| 2007 | 8 | 8 |
| 2008 | 3 | 6 |
| 2009 | 3 | 5 |
| 2010 | 6 | 2 |
| 2011 | 3 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 3 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 2 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Low-dispersion single-mode optical fiber10 Jan 2023US 11,550,098 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Low-dispersion single-mode optical fiber6 Sep 2022US 11,435,519 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Optical fiber manufacturing method using relative bulk densities1 Feb 2022US 11,237,322 B2Furukawa Electric Co., Ltd.
- Quantum communication systems having dispersion compensating optical fiber links4 Jan 2022US 11,218,226 B2Corning Incorporated
- Non-zero dispersion shifted fiber with low cut off wavelength and large effective area5 Oct 2021US 11,137,540 B2Sterlite Technologies Limited
- Low-dispersion single-mode optical fiber24 Mar 2022US 2022/0091328 A1Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Low-dispersion single-mode optical fiber17 Feb 2022US 2022/0050244 A1Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Optical fiber with specialized figure-of-merit and applications therefor12 Mar 2020US 2020/0081181 A1OFS Fitel, LLC
- Optical fiber manufacturing method9 Jan 2020US 2020/0012042 A1Furukawa Electric Co., Ltd.
- Quantum communication systems having dispersion compensating optical fiber links2 Jan 2020US 2020/0007242 A1Corning Incorporated
Most cited
By later US patents
- Optical fiber comprising a refractive index trench131US 4,852,968 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Dual window WDM optical fiber communication108US 5,905,838 ALucent Technologies Inc. · 1999
- Dispersion-balanced optical cable82US 5,611,016 ALucent Technologies Inc. · 1997
- Optical fiber and optical transmission system including the same70US 6,266,467 B1Sumitomo Electric Industries, Ltd. · 2001
- Photonic crystal optical waveguides having tailored dispersion profiles59US 6,895,154 B2OmniGuide Communications · 2005