G02B 6/02342
Characterised by cladding features, i.e. light confining region
Official title: {characterised by cladding features, i.e. light confining region}
G02B6/02342 (Characterised by cladding features, i.e. light confining region) appears on 845 US grants and 987 published applications in this corpus.
Search patents in G02B- Granted patents
- 845
- Published applications
- 987
- Assignees
- 322
- Inventors
- 1,504
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 8 |
| 2002 | 15 | 36 |
| 2003 | 31 | 30 |
| 2004 | 26 | 45 |
| 2005 | 24 | 56 |
| 2006 | 34 | 61 |
| 2007 | 49 | 33 |
| 2008 | 53 | 63 |
| 2009 | 40 | 66 |
| 2010 | 58 | 70 |
| 2011 | 38 | 46 |
| 2012 | 40 | 39 |
| 2013 | 47 | 37 |
| 2014 | 41 | 29 |
| 2015 | 35 | 15 |
| 2016 | 23 | 33 |
| 2017 | 24 | 26 |
| 2018 | 25 | 31 |
| 2019 | 36 | 38 |
| 2020 | 32 | 43 |
| 2021 | 29 | 34 |
| 2022 | 31 | 33 |
| 2023 | 33 | 29 |
| 2024 | 28 | 34 |
| 2025 | 19 | 24 |
| 2026 | 23 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/02347Longitudinal structures arranged to form a regular periodic lattice394
- G02B 6/02357Property of longitudinal structures or background material varies radially and/or azimuthally in276
- G02B 6/02366Single ring of structures263
- G02B 6/02361Longitudinal structures forming multiple layers around the core201
- G02B 6/02371Cross section of longitudinal structures is non-circular157
- G02B 6/02376Longitudinal variation along fibre axis direction129
- G02B 6/0238Longitudinal structures having higher refractive index than background material46
Recent patents
- Hollow-core optical fibers22 Sep 2026US 12,742,925 B2Corning Incorporated
- Optical amplifying fiber, optical fiber amplifier, and optical communication system15 Sep 2026US 12,738,707 B2Furukawa Electric Co., Ltd.
- Optical fiber with wide bandwidth and high gains in O+E band and regulation method thereof8 Sep 2026US 12,730,257 B2Shanghai University
- Waveguide and method for producing a waveguide11 Aug 2026US 12,704,673 B2Schott AG
- Hollow core optical fiber and a laser system28 Jul 2026US 12,693,470 B2Nkt Photonics A/S
- Multicore fiber24 Sep 2026US 2026/0287811 A1Lightera Japan Co., Ltd.
- Quantum magnetic sensing technologies, systems and methods using the same17 Sep 2026US 2026/0276760 A1Battelle Memorial Institute
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Anti-resonant hollow core optical fiber with contacting cladding elements with multiply nested capillaries27 Aug 2026US 2026/0251841 A1Corning Incorporated
- Photonic crystal fiber13 Aug 2026US 2026/0235802 A1ASML Netherlands B. V.
Most cited
By later US patents
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Multicore optical fibre354US 6,301,420 B1The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2001
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- High-density patch-panel assemblies for optical fiber telecommunications265US 7,856,166 B2Corning Cable Systems LLC · 2010
- Optical coupler, a method of its fabrication and use252US 7,532,792 B2Crystal Fibre A/S · 2009