G02B 6/02257
Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550
Official title: {Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550 nm, e.g. ITU-T G.655 dispersion between - 1.0 to - 10 ps/nm.km for avoiding nonlinear effects}
G02B6/02257 (Non-zero dispersion shifted fibres, i.e. having a small negative dispersion at 1550) appears on 58 US grants and 43 published applications in this corpus.
Search patents in G02B- Granted patents
- 58
- Published applications
- 43
- Assignees
- 23
- Inventors
- 123
- Latest grant
- 16 Jul 2024
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 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 6 |
| 2002 | 13 | 11 |
| 2003 | 9 | 4 |
| 2004 | 8 | 5 |
| 2005 | 5 | 2 |
| 2006 | 1 | 2 |
| 2007 | 4 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
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- Optical fiber and light source device30 May 2019US 2019/0162895 A1Sumitomo Electric Industries, Ltd.
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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
- Dispersion-balanced optical cable82US 5,611,016 ALucent Technologies Inc. · 1997
- Photonic crystal optical waveguides having tailored dispersion profiles59US 6,895,154 B2OmniGuide Communications · 2005
- Symmetric, dispersion-managed fiber optic cable and system54US 5,778,128 ACorning Incorporated · 1998
- Increased capacity optical waveguide46US 5,483,612 ACorning Incorporated · 1996