G02B 6/02009
Large effective area or mode field radius
Official title: {Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres}
G02B6/02009 (Large effective area or mode field radius) appears on 649 US grants and 620 published applications in this corpus.
Search patents in G02B- Granted patents
- 649
- Published applications
- 620
- Assignees
- 131
- Inventors
- 748
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 17 | 15 |
| 2002 | 42 | 42 |
| 2003 | 40 | 36 |
| 2004 | 39 | 43 |
| 2005 | 41 | 20 |
| 2006 | 30 | 26 |
| 2007 | 23 | 22 |
| 2008 | 19 | 23 |
| 2009 | 17 | 20 |
| 2010 | 22 | 31 |
| 2011 | 14 | 25 |
| 2012 | 22 | 20 |
| 2013 | 17 | 26 |
| 2014 | 28 | 21 |
| 2015 | 31 | 18 |
| 2016 | 19 | 25 |
| 2017 | 33 | 34 |
| 2018 | 30 | 33 |
| 2019 | 30 | 30 |
| 2020 | 15 | 15 |
| 2021 | 24 | 22 |
| 2022 | 17 | 16 |
| 2023 | 18 | 17 |
| 2024 | 14 | 17 |
| 2025 | 6 | 9 |
| 2026 | 9 | 14 |
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.
- Optical fiber and fiber laser device4 Aug 2026US 12,700,707 B2Fujikura Ltd.
- 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
- Multicore fiber24 Sep 2026US 2026/0287811 A1Lightera Japan Co., Ltd.
- Optical fiber device, method for manufacturing optical fiber device, and laser device20 Aug 2026US 2026/0246227 A1Shimadzu Corporation
- 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
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
- Glass large-core optical fibers241US 8,159,742 B2Imra America, Inc. · 2012
- Large effective area low attenuation optical fiber241US 8,218,929 B2Corning Incorporated · 2012
- Multi-cladding fiber231US 8,731,358 B22014