G02B 6/02004
Characterised by the core effective area or mode field radius
Official title: {characterised by the core effective area or mode field radius}
G02B6/02004 (Characterised by the core effective area or mode field radius) appears on 829 US grants and 823 published applications in this corpus.
Search patents in G02B- Granted patents
- 829
- Published applications
- 823
- Assignees
- 166
- Inventors
- 996
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 20 | 19 |
| 2002 | 46 | 50 |
| 2003 | 50 | 56 |
| 2004 | 50 | 59 |
| 2005 | 55 | 33 |
| 2006 | 47 | 36 |
| 2007 | 36 | 30 |
| 2008 | 26 | 27 |
| 2009 | 21 | 24 |
| 2010 | 25 | 34 |
| 2011 | 17 | 26 |
| 2012 | 23 | 21 |
| 2013 | 19 | 28 |
| 2014 | 28 | 24 |
| 2015 | 34 | 23 |
| 2016 | 23 | 29 |
| 2017 | 37 | 43 |
| 2018 | 36 | 45 |
| 2019 | 40 | 41 |
| 2020 | 22 | 24 |
| 2021 | 32 | 38 |
| 2022 | 26 | 26 |
| 2023 | 28 | 26 |
| 2024 | 25 | 24 |
| 2025 | 6 | 15 |
| 2026 | 12 | 22 |
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.
- Single mode optical fiber suitable for ribbon applications15 Sep 2026US 12,736,743 B2
- 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
- Multicore optical fiber8 Oct 2026US 2026/0309908 A1Corning Incorporated
- Multicore optical fiber for high density cable1 Oct 2026US 2026/0299189 A1
- Multicore fiber24 Sep 2026US 2026/0287811 A1Lightera Japan Co., Ltd.
- Optical fiber for high density cable10 Sep 2026US 2026/0267059 A1
- Optical fiber for high density cable10 Sep 2026US 2026/0267101 A1
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
- 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