G02B 6/02228
Dispersion flattened fibres, i.e. having a low dispersion variation over an extended
Official title: {Dispersion flattened fibres, i.e. having a low dispersion variation over an extended wavelength range}
G02B6/02228 (Dispersion flattened fibres, i.e. having a low dispersion variation over an extended) appears on 283 US grants and 217 published applications in this corpus.
Search patents in G02B- Granted patents
- 283
- Published applications
- 217
- Assignees
- 63
- Inventors
- 352
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 10 |
| 2002 | 32 | 36 |
| 2003 | 32 | 34 |
| 2004 | 36 | 35 |
| 2005 | 29 | 18 |
| 2006 | 25 | 16 |
| 2007 | 22 | 14 |
| 2008 | 11 | 9 |
| 2009 | 9 | 4 |
| 2010 | 5 | 2 |
| 2011 | 4 | 8 |
| 2012 | 1 | 3 |
| 2013 | 5 | 3 |
| 2014 | 5 | 1 |
| 2015 | 1 | 4 |
| 2016 | 3 | 0 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 4 |
| 2022 | 5 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Comb-based wavelength division multiplexing21 Jul 2026US 12,689,458 B2Nokia Solutions and Networks Oy
- Low loss and low dispersion optical fiber for data center optical communication28 May 2024US 11,994,712 B2Corning Incorporated
- Optical fiber8 Aug 2023US 11,719,879 B2Furukawa Electric Co., Ltd.
- Optical fiber and method of manufacturing optical fiber1 Aug 2023US 11,714,228 B2Furukawa Electric Co., Ltd.
- Low cross-talk multicore optical fiber for single mode operation14 Feb 2023US 11,579,355 B2Corning Incorporated
- Comb-based wavelength division multiplexing25 Sep 2025US 2025/0300754 A1Nokia Solutions and Networks Oy
- Single mode optical fiber3 Jul 2025US 2025/0216597 A1Shin-Etsu Chemical Co., Ltd.
- Optical communication system and first node9 Jan 2025US 2025/0015893 A1
- Optical fiber7 Nov 2024US 2024/0369758 A1Sumitomo Electric Industries, Ltd.
- Single-mode fiber with low dispersion slope5 May 2022US 2022/0137289 A1
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
- Low dispersion, low-loss single-mode optical waveguide111US 4,715,679 ACorning Glass Works · 1987
- Dual window WDM optical fiber communication108US 5,905,838 ALucent Technologies Inc. · 1999