C03B 2203/42
Photonic crystal fibres
Official title: Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical fibres
C03B2203/42 (Photonic crystal fibres) appears on 254 US grants and 355 published applications in this corpus.
Search patents in C03B- Granted patents
- 254
- Published applications
- 355
- Assignees
- 125
- Inventors
- 567
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 6 |
| 2002 | 7 | 9 |
| 2003 | 11 | 19 |
| 2004 | 15 | 31 |
| 2005 | 17 | 30 |
| 2006 | 16 | 23 |
| 2007 | 13 | 14 |
| 2008 | 14 | 13 |
| 2009 | 5 | 20 |
| 2010 | 16 | 15 |
| 2011 | 11 | 15 |
| 2012 | 13 | 8 |
| 2013 | 12 | 6 |
| 2014 | 5 | 3 |
| 2015 | 7 | 4 |
| 2016 | 2 | 4 |
| 2017 | 0 | 3 |
| 2018 | 3 | 4 |
| 2019 | 7 | 10 |
| 2020 | 5 | 12 |
| 2021 | 9 | 10 |
| 2022 | 12 | 23 |
| 2023 | 10 | 6 |
| 2024 | 14 | 22 |
| 2025 | 19 | 18 |
| 2026 | 6 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for producing hollow-core optical fibers2 Jun 2026US 12,645,027 B2Corning Incorporated
- Architecture for electromagnetic waveguide26 May 2026US 12,638,634 B2Centre National De La Recherche Scientifique
- Anti-resonant hollow-core fibers featuring support structures19 May 2026US 12,631,819 B2University of Central Florida Research Foundation, Inc.
- Anti-resonance element preform for producing an anti-resonant hollow-core fiber17 Mar 2026US 12,577,143 B2Heraeus Quarzglas GmbH & Co.KG
- Microstructured optical fiber and preform for same having specific oxygen deficiency center and chlorine concentrations24 Feb 2026US 12,560,755 B2Heraeus Quarzglas GmbH & Co.KG
- Anti-resonant hollow core optical fiber with contacting cladding elements with multiply nested capillaries27 Aug 2026US 2026/0251841 A1Corning Incorporated
- Antiresonant hollow core fiber with low-index coating13 Aug 2026US 2026/0235801 A1University of Central Florida Research Foundation, Inc.
- Anti-resonance element preform for producing an anti-resonant hollow-core fiber6 Aug 2026US 2026/0225938 A1Heraeus Quarzglas GmbH & Co.KG
- Hollow core optical fibre with yield tolerant microstructure6 Aug 2026US 2026/0227566 A1University of Southampton
- Methods of Pedestal Shaping in Optical Fibers and Related Structures30 Jul 2026US 2026/0217589 A1The Government of the United States of America, as represented by the Secretary of the Navy
Most cited
By later US patents
- 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
- Nonlinear optical fibre method of its production and use thereof234US 7,266,275 B2Crystal Fibre A/S · 2007
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers222US 8,213,758 B2Imra America, Inc. · 2012