G02B 6/0228
Characterised by the wavelength dispersion slope properties around 1550 nm
Official title: {Characterised by the wavelength dispersion slope properties around 1550 nm (G02B6/02228 takes precedence)}
G02B6/0228 (Characterised by the wavelength dispersion slope properties around 1550 nm) appears on 156 US grants and 135 published applications in this corpus.
Search patents in G02B- Granted patents
- 156
- Published applications
- 135
- Assignees
- 38
- Inventors
- 246
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 6 |
| 2002 | 17 | 25 |
| 2003 | 20 | 38 |
| 2004 | 23 | 21 |
| 2005 | 25 | 14 |
| 2006 | 10 | 3 |
| 2007 | 10 | 7 |
| 2008 | 6 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 4 |
| 2011 | 2 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 5 | 4 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical communication device, optical transmission system, wavelength converter, and optical communication method6 Jun 2023US 11,668,870 B2Fujitsu Limited
- Optical fiber29 Jun 2021US 11,048,039 B2Fujikura Ltd.
- Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same2 Feb 2016US 9,250,386 B2Corning Incorporated
- Single mode optical fiber with large effective area8 Dec 2015US 9,207,396 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Tunable RF filter device using optical waveguide paths with splitter and combiner pairs and related methods25 Aug 2015US 9,116,366 B2Harris Corporation
- Glass material and optical fiber14 Nov 2024US 2024/0377577 A1Sumitomo Electric Industries, Ltd.
- Optical fiber15 Oct 2020US 2020/0326471 A1Fujikura Ltd.
- Optical communication device, optical transmission system, wavelength converter, and optical communication method27 Aug 2020US 2020/0271855 A1Fujitsu Limited
- Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same5 Nov 2015US 2015/0316712 A1Corning Incorporated
- Optical fiber and optical transmission system5 Nov 2015US 2015/0316713 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Super-large-effective-area (SLA) optical fiber and communication system incorporating the same290US 6,904,218 B2Fitel USA Corp. · 2005
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Nonlinear optical fibre method of its production and use thereof234US 7,266,275 B2Crystal Fibre A/S · 2007
- Dispersion-controlled optical fiber230US 6,999,667 B2Samsung Electronics Co., Ltd. · 2006
- Dispersion compensating devices and systems193US 5,361,319 ACorning Incorporated · 1994