G02B 6/02276
Dispersion shifted fibres, i.e. zero dispersion at 1550 nm
Official title: {Dispersion shifted fibres, i.e. zero dispersion at 1550 nm}
G02B6/02276 (Dispersion shifted fibres, i.e. zero dispersion at 1550 nm) appears on 53 US grants and 34 published applications in this corpus.
Search patents in G02B- Granted patents
- 53
- Published applications
- 34
- Assignees
- 21
- Inventors
- 131
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 5 |
| 2002 | 2 | 1 |
| 2003 | 5 | 3 |
| 2004 | 4 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing8 Apr 2025US 12,271,035 B2DigiLens Inc.
- Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing5 Sep 2023US 11,747,568 B2DigiLens Inc.
- Single mode optical fiber with chlorine doped core and low bend loss15 Oct 2019US 10,444,427 B2Corning Incorporated
- Low loss single mode fiber with chlorine doped core9 Oct 2018US 10,094,975 B2Corning Incorporated
- Dispersion shifted optical fiber9 Oct 2018US 10,094,976 B2Fujikura Ltd.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing6 Nov 2025US 2025/0341679 A1DigiLens Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing25 Jan 2024US 2024/0027689 A1DigiLens Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing31 Mar 2022US 2022/0099898 A1DigiLens Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing10 Dec 2020US 2020/0386947 A1DigiLens Inc.
- Low loss single mode fiber with chlorine doped core1 Feb 2018US 2018/0031761 A1Corning Incorporated
Most cited
By later US patents
- Nonlinear optical fibre method of its production and use thereof234US 7,266,275 B2Crystal Fibre A/S · 2007
- Low attenuation optical waveguide226US 6,282,354 B1Corning Incorporated · 2001
- Optical fiber comprising a refractive index trench131US 4,852,968 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Dispersion-shifted fiber77US 5,721,800 ASumitomo Electric Industries, Ltd. · 1998
- Zero dispersion single mode optical fiber with center core and side core in the 1.5 .mu.m wavelength region49US 4,755,022 ANippon Telegraph and Telephone Corporation · 1988