G02B 6/02014
Effective area greater than 60 square microns in the c band, i.e.
Official title: {Effective area greater than 60 square microns in the C band, i.e. 1530-1565 nm}
G02B6/02014 (Effective area greater than 60 square microns in the c band, i.e.) appears on 354 US grants and 336 published applications in this corpus.
Search patents in G02B- Granted patents
- 354
- Published applications
- 336
- Assignees
- 75
- Inventors
- 435
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 10 | 7 |
| 2002 | 29 | 23 |
| 2003 | 23 | 21 |
| 2004 | 22 | 21 |
| 2005 | 19 | 11 |
| 2006 | 19 | 12 |
| 2007 | 16 | 16 |
| 2008 | 13 | 13 |
| 2009 | 10 | 10 |
| 2010 | 13 | 20 |
| 2011 | 13 | 11 |
| 2012 | 10 | 11 |
| 2013 | 10 | 15 |
| 2014 | 19 | 11 |
| 2015 | 15 | 10 |
| 2016 | 9 | 13 |
| 2017 | 21 | 23 |
| 2018 | 16 | 13 |
| 2019 | 13 | 17 |
| 2020 | 9 | 5 |
| 2021 | 8 | 11 |
| 2022 | 6 | 6 |
| 2023 | 6 | 7 |
| 2024 | 7 | 11 |
| 2025 | 1 | 8 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-core optical fiber15 Sep 2026US 12,736,742 B2Sumitomo Electric Industries, Ltd.
- Optical fiber cable25 Aug 2026US 12,717,103 B2NTT, Inc.
- Uncoupled-core multicore optical fiber with reduced cross talk28 Jul 2026US 12,693,469 B2Corning Incorporated
- Optical fiber with a large effective area9 Jun 2026US 12,650,554 B2
- Uncoupled multicore optical fiber with alkali doped, off-set trench cores27 Jan 2026US 12,535,637 B2Corning Incorporated
- Multicore fiber24 Sep 2026US 2026/0287811 A1Lightera Japan Co., Ltd.
- Multicore optical fiber and multicore optical fiber cable6 Aug 2026US 2026/0227565 A1Sumitomo Electric Industries, Ltd.
- Optical fiber30 Jul 2026US 2026/0219440 A1Sumitomo Electric Industries, Ltd.
- Optical fiber with longitudinally dependent zero-dispersion wavelength and method of making same30 Jul 2026US 2026/0219442 A1Corning Incorporated
- Multi-core optical fiber25 Jun 2026US 2026/0177738 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
- Large effective area fiber267US 7,555,187 B2Corning Incorporated · 2009
- Large effective area low attenuation optical fiber241US 8,218,929 B2Corning Incorporated · 2012
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014
- Chromatic dispersion compensating fiber112US 7,356,234 B2Draka Comteq B.V. · 2008